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Metal Finishing Companies

Last updated: January 2026

This directory lists 130 metal finishing companies across the United States, from specialty coaters focused on PVD/CVD and thermal sprays to high-volume plating lines for zinc dichromate and cadmium.

Buyers engage metal finishing companies to address a spectrum of critical engineering problems: enhancing corrosion resistance in harsh environments, increasing surface hardness for wear applications, improving lubricity, ensuring electrical conductivity or insulation, and achieving precise aesthetic finishes. Key challenges often revolve around achieving uniform coating thickness, optimizing adhesion to the substrate, and managing precise masking requirements for selective finishing.

Suppliers in this space vary significantly. You'll find general job shops handling a wide array of common finishes like electroplating, anodizing, and passivation. Then there are highly specialized facilities focusing on niche processes like vacuum metallization, e-coating, or specialized chemical conversion coatings. Some operate massive automated lines for automotive or general industrial volumes, while others excel in small-batch, high-precision finishing for medical devices or aerospace components, often with stringent Nadcap or AS9100 certifications.

To engage effectively, buyers should come prepared with detailed engineering drawings, material certifications for the base substrate, precise specification call-outs (e.g., AMS, ASTM, Mil-Spec), desired quantity, and realistic lead time expectations. Suppliers, in turn, will expect clear instructions regarding critical dimensions post-finishing, areas requiring masking, and any specific pre-treatment or post-treatment requirements, such as hydrogen embrittlement relief or specific bake cycles.

A significant trend in the metal finishing sector is the continued shift away from hexavalent chrome processes towards more environmentally friendly alternatives like trivalent chrome, particularly in automotive and consumer electronics. There's also growing investment in automation, advanced process control, and real-time thickness monitoring to ensure greater consistency, reduce waste, and meet increasingly tight tolerances for demanding applications.

130 companies·97 emails·124 phones

Company Directory

130 companies nationwide

Chicago, IL

Based in Chicago, IL, Able Electropolishing Co., Inc. provides precision electropolishing services for stainless steel, titanium, Nitinol, and other alloys. Their process improves surface finish, removes defects like burrs and scale, prevents corrosion, and enhances part performance and fatigue life for critical metal components.

Los Angeles, CA

Los Angeles-based Accurate Plating Co. provides ISO9001:2015 certified metal finishing services, established 1950. Specializing in zinc coating, they also offer chrome, bright tin, copper, nickel, and gold plating. They leverage advanced processes and experience to deliver high-quality surface treatments for businesses.

Suffolk, VA

Based in Suffolk, VA, Automatic Coating Limited USA (ACL) provides advanced coating services for superior corrosion protection. Specializing in powder, liquid, and pipeline coatings, ACL offers custom solutions for industrial applications. Their capabilities include internal and external pipe coating, shop-applied systems, and comprehensive blasting services.

Rochester, NY

Advanced Coating Service (ACS) specializes in Physical Vapor Deposition (PVD) coating, an advanced metal finishing method to improve parts' lubricity and hardness. Based in Rochester, NY, they serve industries like aerospace, automotive, and manufacturing for cutting tools, molds, and dies.

Milpitas, CA

Advanced Electropolishing Technologies, based in Milpitas, CA, provides high-quality electropolishing, passivation, and chemical cleaning services. They process stainless steel, aluminum, titanium, and copper for critical components in semiconductor, biotech, medical, and aerospace industries. Their facility features large tanks and a Class 1000 clean room for quality finishes.

Vermilion, OH

Based in Vermilion, Ohio, Architectural & Industrial Metal Finishing Company, LLC offers custom powder coating and related metal finishing services. They specialize in quality powder coating, including wood grain finishes, and provide precision laser cutting and metal fabrication for architectural and industrial clients.

South El Monte, CA

Based in South El Monte, CA, Alum-A-Coat specializes in comprehensive metal finishing services. They offer anodizing (clear, black, color, hard coat), chromate conversion, passivation, electropolishing, and paint/powder coating. Serving diverse industries like aerospace, automotive, medical, and electronics, they handle both large production runs and custom orders.

Phoenix, AZ

Amalfi Powder Coating specializes in providing industrial, commercial, residential, and automotive powder coating services in Phoenix, AZ. They offer comprehensive metal finishing solutions, including sandblasting and welding services. The company delivers durable, high-quality finishes for various applications, catering to diverse client needs with custom color options and efficient service.

Fort Wayne, IN

American Anodizing Co., based in Fort Wayne, IN, is a metal finishing company specializing in aluminum anodizing services. They offer Type II Gold, Black, Clear, and Hardcoat finishes, alongside sand blasting and tumbling. The company enhances corrosion and wear resistance, and improves adhesion for metal components across diverse industrial sectors like military and automotive.

Waterbury, CT

Based in Waterbury, CT, American Electro Products is an industrial plating company providing precious and non-precious electroplating services since 1950. They specialize in gold, silver, rhodium, palladium, nickel, and tin-lead plating using barrel, reel-to-reel, selective, and vibratory techniques for diverse industrial markets.

Brooklyn, NY

Based in Brooklyn, NY, American Metal Coatings specializes in zinc, zinc alloy plating, phosphating, and cleaning services. The company provides passivates, chromates, torque modifiers, dyes, and sealers. They serve component manufacturers across industries such as automotive, heavy truck, agriculture, and consumer goods.

American Metal Finishing provides comprehensive metal finishing services for manufacturers, including electrolytic and electroless plating, PVD, and powder coating. With over 30 years of experience, they offer metal plating, coating, and polishing. The company focuses on producing durable, high-quality, showroom-ready finishes for premium metal products.

St. Louis, MO

Based in St. Louis, MO, American Plating Company provides comprehensive metal finishing services, including electroplating and electroless nickel plating. They offer finishes in gold, silver, copper, nickel, brass, and tin, employing barrel and rack methods. The company serves industrial, commercial, and medical device clients, also providing polishing and restoration.

Tualatin, OR

Based in Tualatin, OR, Anodize Solutions provides metal finishing services. They specialize in Type II soft anodizing, Type III hard anodizing, bright dipping, media blasting, and masking/plugging. The company serves manufacturers, offering precise and high-quality anodizing solutions for a range of part volumes.

Los Angeles, CA

Anodizing Industries, located in Los Angeles, provides high-volume metal finishing services since 1978. They specialize in Anodizing Types II & III, architectural anodize, brite dip, color dye, Chem Film Mil-DTL-5541, and wet paint application. Serving aerospace, automotive, and military industries.

Santa Clara, CA

Based in Santa Clara, CA, Arnold's Metal Finishing provides Nadcap accredited metal finishing services. This company leverages premium finishing standards, serving demanding industries like aviation from its state-of-the-art facility in Silicon Valley.

Santa Fe Springs, CA

Associated Plating Company, Inc. offers precision metal finishing services, including tin, tin lead solder, and silver plating, along with rack, barrel, electroless, electrolytic, and sulfamate nickel processes. Based in Santa Fe Springs, CA, they provide high-quality, quick-turn solutions for demanding end-markets, adhering to all environmental regulations.

Titusville, FL

Based in Titusville, FL, Astropak offers on-site metal finishing services, including specialized cleaning, derouging, passivation, mechanical polishing, and electropolishing. The company focuses on restoring and enhancing the surface finish of operational tanks and critical industrial components, ensuring their optimal performance and longevity.

Glendale, AZ

Based in Glendale, AZ, All Valley Powder Coating specializes in high-quality powder coating and Cerakote services. They provide expert surface sandblasting preparation, ensuring optimal adhesion and a perfect finish for a wide range of projects, including wheels and motorcycles. They offer custom quotes.

Fort Worth, TX

Based in Fort Worth, TX, AZZ specializes in hot-dip galvanizing, coil coating, and other metal finishing services. They provide sustainable metal coating solutions across North America, protecting critical infrastructure, buildings, and products, including those in the renewables market.

Santa Fe Springs, CA

Based in Santa Fe Springs, CA, Cal-Tron Plating Inc. provides comprehensive metal finishing services. Since 1978, they have specialized in various plating processes, including electroless nickel, cadmium, gold, silver, tin, and copper. Additional capabilities include passivation and dry film lube, serving a diverse industrial customer base.

Lancaster, CA

Based in Lancaster, CA, California Coating provides full-service metal finishing, including sandblasting, custom powder coating, ceramic coating, and industrial painting. They handle both small batch and large production runs, offering thousands of color options, plus expedited powder coating for automotive rims.

Redwood City, CA

Based in Redwood City, CA, California Powder Coating provides professional metal finishing services. They specialize in high-quality powder coating, sand blasting, and metal fabrication. Serving architectural, industrial, and production clients, the company also offers custom color matching and a comprehensive color palate for metal and aluminum products.

Chem Processing Inc. offers comprehensive metal finishing services, specializing in diverse plating types like cadmium, copper, electroless nickel, hard chrome, silver, and zinc. They also provide a full range of aluminum anodizing, including chromic acid, standard, hardcoat, and Teflon® options. These processes enhance wear resistance, corrosion protection, and electrical conductivity.

Escondido, CA

Based in Escondido, CA, Chrome Plating USA Metal Polishing provides comprehensive metal finishing services. They specialize in electroplating, offering electroless nickel, zinc plating, chem film, passivation, and anodizing. The company also performs metal polishing, catering to manufacturers, fabricators, and restoration projects needing diverse surface treatments.

Alvin, TX

Based in Alvin, TX, Coatech Industrial Services provides on-site and shop metal finishing for industrial machinery and equipment. Specializing in sandblasting, surface repair, and applying protective coatings and paint, they help sustain critical equipment and prevent costly production interruptions for clients across the Gulf Coast.

Phoenix, AZ

Based in Phoenix, AZ, Coating Technologies LLC provides high-quality metal finishing services, including Electroless Nickel, Gold Plating, Black Oxide, Phosphate, Passivation, and NP3 coatings. Established in 1986, the company holds NADCAP accreditation and aerospace quality systems, ensuring precise and detailed finishing for various industrial components.

Fresno, CA

Based in Fresno, CA, Commercial Electro Plating Inc. offers over 50 years of experience in metal finishing solutions. Services include zinc rack and barrel plating, electroless nickel plating, stainless steel electropolishing, and Alodine. They provide heat exchanger plate cleaning and masking for industrial clients.

Auburn, IN

Based in Auburn, IN, DeKalb Metal Finishing provides quality zinc nickel, zinc iron, and zinc electroplating services. They specialize in RoHS compliant alkaline electroplating using environmentally friendly trivalent passivates and sealers. Their processes ensure high corrosion resistance and meet automotive specifications for diverse industrial applications.

Marne, MI

Based in Marne, MI, DeWys Metal Solutions is a family-owned company specializing in metal fabrication and finishing with over 47 years of experience. They offer OEM precision sheet metal fabrication, forming, bending, laser cutting, and turret punching. DeWys also operates a state-of-the-art powder coating facility.

Houston, TX

Based in Houston, TX, Diamond Metal Finishing provides a comprehensive range of surface treatment services. Their capabilities include anodizing, chemical film, electro-polishing, passivation, powder coating, sand blasting, tumbling, and wet paint. They serve industrial and commercial clients with diverse metal finishing needs.

San Jose, CA

Based in San Jose, CA, Du-All Anodizing dba GMP Plating, INC. provides comprehensive metal finishing services. Specializing in Type II and Type III Hard Anodize, Chem Film, Zinc Plating, Electroless Nickel, and E-coat, the company serves aerospace, medical, and military industries with high-quality surface treatments.

Dayton, OH

Based in Dayton, OH, Electro Polish Company provides comprehensive metal finishing services. Their offerings include aluminum anodizing, powder coating, chem film application, electropolishing, and hard coat anodizing. The company emphasizes quality, customer service, and fast turnaround times for various metal parts.

Franklin, IN

Based in Franklin, IN, Electro-Spec, Inc. provides high-reliability metal finishing services including electroplating, passivation, and heat treating. They specialize in selective gold plating, Spouted Bed Electrode (SBE) plating for various metals, TRI-M3™ tri-alloy, and NanoSHIELD-AU technology. Electro-Spec serves critical applications in medical, automotive, aerospace, military, battery, and telecommunications industries.

Garden Grove, CA

Based in Garden Grove, CA, Electron Plating III, Inc. offers comprehensive metal finishing services, specializing in government contracts. Their capabilities include anodizing, Teflon impregnation, black oxide, electroless nickel, cadmium, copper, chem film, magnesium, tin plating, passivation, and painting services for diverse industrial applications.

Based in Plymouth, MA, Electropolishing Systems, Inc. specializes in comprehensive metal finishing services. With over 60 years of experience, the company provides electropolishing, passivating, anodizing, hardcoating, and laser marking for machine metal parts, offering custom solutions for various industrial needs.

Mcclellan Park, CA

Based in McClellan Park, CA, Elite Industrial Coatings Inc. provides industrial coating services. With over 30 years of experience, the company utilizes state-of-the-art facilities to apply specialized coatings. They offer durable surface protection, emphasizing advanced coating technology for diverse industrial applications.

Oxnard, CA

Elite Metal Finishing LLC, with facilities in Oxnard, CA, and Orlando, FL, provides chemical processing, plating, painting, and non-destructive testing services. They offer comprehensive metal finishing solutions, supporting industrial clients from prototype to production with technical expertise and evolving processes.

Hayward, CA

Based in Hayward, CA, Electro-Plating Specialties Inc. provides comprehensive metal finishing services, including electroless nickel, gold, silver, copper, tin, and chromium plating. Established in 1957, they also offer passivation, anodize, black oxide, and stripping for various industrial applications.

Hesperia, CA

Based in Hesperia, CA, Extreme Powder Coating provides professional metal finishing services specializing in powder coating. The company accommodates both small custom jobs and mass production, maintaining high quality standards for a variety of projects, including automotive and commercial applications.

Houston, TX

Based in Houston, TX, G&C Coatings and Industrial Services offers industrial metal finishing solutions. They specialize in a wide range of coatings, including alkyd, epoxy, and polyurethane, along with blasting, fireproofing, and paint refurbishing. The company serves diverse sectors such as oil & gas, material handling, and transportation.

Los Angeles, CA

Based in Los Angeles, California, General Brite Plating provides comprehensive metal finishing services for industrial and commercial applications. Capabilities include Bright Nickel, Sulfamate Nickel, Silver, Gold, Copper, and Tin plating. They also offer Chem-Film, Passivation, and Vapor Degreasing for various metal treatment needs.

Hamden, CT

Based in Hamden, CT, Giering Metal Finishing provides metal finishing services across the United States. The company specializes in applying high-quality coatings and offering robust corrosion protection solutions for diverse industrial applications.

Tempe, AZ

Based in Tempe, AZ, Gold Tech Industries specializes in high-quality electroplated coatings, including gold, silver, and rhodium. The company provides a full range of metal finishing services like anodizing, passivation, chromate conversion, and powder coating. They serve diverse industrial sectors such as medical, aerospace, and electronics.

Houston, TX

Based in Houston, TX, Harrison Electropolishing, L.P. provides specialized metal finishing services. Capabilities include electropolishing, mechanical polishing, passivation, and oxygen cleaning. The company is equipped to process components of all sizes, catering to industrial and commercial clients requiring high-quality surface treatments.

South El Monte, CA

Henry's Metal Polishing, Inc. provides metal finishing services for commercial and industrial clients. They specialize in high-volume metal polishing, welding, and fabrication, complemented by buffing, deburring, and passivation. The company focuses on quality, efficiency, and quick turnaround times for various projects.

Based in Philadelphia, PA, Hillock Anodizing is a NADCAP accredited metal finisher. The company specializes in anodizing and plating with extreme precision and close tolerances. They serve prime contractors such as Lockheed Martin, Boeing, and GE Aviation, emphasizing superior quality and timely delivery.

Hixson Metal Finishing (HMF) offers comprehensive metal finishing services for industrial clients. Capabilities include anodizing, non-destructive testing (NDT), chemical film, various plating processes, and paint finishing. They also provide special processes, adhering to high standards for quality and customer satisfaction.

Houston, TX

Based in Houston, TX, Houston Plating offers comprehensive industrial metal finishing services. Their capabilities include various plating types like electroless nickel, tin, silver, zinc, and hard chrome, as well as passivation and anodizing. The company serves critical sectors such as aerospace, oil & gas, medical, and automotive with advanced surface treatments.

Hytek Finishes provides specialized metal finishing for Aerospace, Defense, Space, Commercial, Electronics, and Medical industries. Services include plating (Chrome, Cadmium, Zinc-Nickel), passivation, diverse anodizing processes, titanium etch, shot peen, non-destructive testing, and organic coatings. The company maintains AS9100 Rev D and NADCAP AC7108 certifications.

Lebanon, IN

Based in Lebanon, IN, IBC Coatings Technologies develops and applies high-performance, industrial-scale surface treatments. The company specializes in solutions that significantly extend the life of components, providing wear resistance, corrosion protection, and enhanced durability for diverse industrial applications.

Newark, NJ

Based in Newark, NJ, Industrial Hard Chromium Co, Inc. specializes in precision hard chromium plating for industrial process equipment like rolls, rams, and shafts. They offer diverse finishes, from mirror to matte, and comprehensive machining, grinding, and finishing services. They coat nearly any size or shape, serving sectors from construction to food processing.

Placentia, CA

Based in Placentia, CA, Industrial Metal Finishing, Inc. offers certified shot peening, abrasive blasting, and surface conditioning services. The company serves the medical, aerospace, energy, and transportation industries. It is Nadcap accredited for Surface Enhancement and certified to ISO 9001, AS9100D, and ISO 13485 standards.

Phoenix, AZ

Based in Phoenix, AZ, Industrial Specialty Powder Coating LLC provides comprehensive metal finishing services. They specialize in powder coating for various metals, alongside design, manufacturing, installation, repair, and renovation of blacksmithing projects for industrial and commercial clients.

Burbank, CA

Based in Burbank, CA, K&L Anodizing provides Nadcap and ISO 9001:2015 certified metal finishing services. With over 75 years of experience, the company utilizes top-tier equipment and adheres to strict quality control and ITAR guidelines, serving military, aerospace, medical, and commercial sectors.

Pine Island, MN

Based in Pine Island, MN, Lincoln Industries provides comprehensive metal finishing services, including precision electroplating and expanded coating capabilities. They serve a wide range of industrial customers in agriculture, automotive, appliances, motorsports, and oil & gas sectors.

Santa Ana, CA

Based in Santa Ana, California, LM Chrome Corporation specializes in high-quality hard chrome plating and polishing services. They apply thin layers of hard chromium onto diverse metal substrates for enhanced durability and performance. Serving industries like aerospace, automotive, hydraulic, and manufacturing, LM Chrome offers precision plating and repair solutions.

Gilroy, CA

Makplate, Inc., based in Gilroy, CA, provides comprehensive metal finishing services. This ITAR registered company ensures rigorous quality control with in-house wet labs and advanced testing. Adhering to MIL-spec and ASTM-spec processes, Makplate serves aerospace, automotive, medical, and military industries.

Wichita, KS

Based in Wichita, KS, Metal Finishing Company provides comprehensive metal processing and finishing services. They serve as a one-stop resource for various surface treatments, enhancing metal components for diverse customer needs. The company delivers high-quality solutions, preparing parts for manufacturing and critical end-use applications.

Bell Gardens, CA

Based in Bell Gardens, CA, Metal Surfaces Inc. (MSI) provides precision electroplating and surface finishing. Serving Aviation, Aerospace, Automotive, and Medical industries, they offer nickel, gold, and composite plating. MSI is Nadcap, AS9100, and IATF 16949 certified.

Signal Hill, CA

Based in Signal Hill, CA, Murphy Industrial Coatings, Inc. specializes in applying protective coatings and linings for industrial new construction and maintenance projects. With over 40 years of experience, the company is committed to high standards of excellence in safety, application, and quality control.

Kennebunk, ME

Based in Kennebunk, ME, Northeast Coating Technologies provides industrial and commercial metal finishing services. They apply performance coatings like fluoropolymers, dry film lubricants, and thin films including PVD, CVD, anodizing, and plating. Serving industrial, medical, and military sectors, the company also offers surface preparation and testing capabilities.

Orange, CA

Orange County Powder Coating, based in Orange, CA, is a family-owned metal finishing company established in 1959. They provide high-quality powder coating, sandblasting, chemical stripping, and plating services. Serving commercial and residential clients across Southern California, they handle projects of all sizes with large ovens and multiple blasting booths.

Omaha, NE

Based in Omaha, NE, Industrial Plating is an established metal finishing company operating since 1965. The company specializes in providing a range of industrial finishing services, catering to commercial and manufacturing clients. They also offer decorative finishing solutions.

Oxnard, CA

Based in Oxnard, CA, Passivation Solutions (Grewal Mechanical Polish Inc.) provides high-purity metal cleaning and treating services. With over 30 years of experience, they specialize in mechanical polishing, passivation, electropolishing, descaling, and welding for various industrial sectors.

Powder Coating Services, Inc. specializes in providing comprehensive surface finishing solutions, primarily focusing on powder coating. Serving industrial and commercial clients, the company offers a complete range of services. They also provide convenient pickup and delivery services across the Carolinas, operating Monday through Friday.

Green Bay, WI

Based in Green Bay, WI, Pioneer Metal Finishing offers comprehensive metal finishing services for manufacturers. They provide reliable solutions for corrosion resistance, wear resistance, aesthetics, conductivity, and heat dissipation. Specializing in gold and chrome plating, they serve industries including aerospace, defense, and transportation.

Chatsworth, CA

Based in Chatsworth, CA, Andrews Powder Coating, Inc. provides full-service powder coating solutions. With over forty years of experience, they specialize in MIL-SPEC, aerospace, AAMA certified architectural, and FDA compliant medical device coatings. They serve automotive, military, industrial, and commercial sectors, utilizing advanced equipment and a five-stage pretreatment process.

Anaheim, CA

Based in Anaheim, CA, PowderCoat Services is a commercial powder coating company. They specialize in high-volume production powder coating and EPD coating, offering turnkey solutions for various industrial applications. The company operates its own facility.

North Hollywood, CA

Powder Coat Unlimited, based in North Hollywood, CA, is a direct provider of comprehensive metal finishing services. Specializing in high-quality powder coating and sandblasting, the company serves a diverse range of clients including automotive, industrial, marine, and custom projects. They offer extensive color options and durable finishes for various metal parts and products.

Santa Ana, CA

Based in Santa Ana, CA, Paramount Custom Plating Inc. specializes in comprehensive metal finishing services. They offer chrome plating, powder coating, metal polishing, metal grinding, and Cerakote applications. The company primarily serves custom and automotive markets, operating from a state-of-the-art facility in California.

Anaheim, CA

Precision Anodizing and Plating, Inc., based in Anaheim, CA, provides comprehensive metal finishing services including anodizing, plating, passivating, and chem film. Nadcap accredited and ISO9001:2015 Certified, they serve aerospace, military, medical, automotive, and telecommunications sectors from their 48,000 sq ft facility.

Santa Ana, CA

Based in Santa Ana, CA, Precision Powder Coating Inc. provides commercial powder coating and sandblasting services. Established in 1984, they specialize in electrostatic powder application, cured under heat for durable products. They offer large-volume conveyor line services, batch processing for diverse part sizes, and professional burn-off and stripping.

Sullivan, WI

Progressive PVD specializes in Physical Vapor Deposition (PVD) coatings for various industrial applications. They provide high-volume PVD coatings for consumer products, molds and dies, and decorative parts. The company focuses on improving product performance and extending tool life for its B2B customers.

Tempe, AZ

Based in Tempe, AZ, Titanium Coating Services Az, LLC specializes in Physical Vapor Deposition (PVD) coating services. With 15 years of experience, they apply high-hardness PVD coatings, typically 2000-3500Hv, to cutting and forming tools. These coatings enhance properties like hardness, chemical composition, color, and friction coefficient.

Huntington Beach, CA

PVD Coatings, based in Huntington Beach, CA, specializes in environmentally friendly Physical Vapor Deposition (PVD) vacuum coating processes. They provide brilliant decorative finishes with excellent wear and corrosion resistance. The company offers a diverse range of PVD finishes, including brushed bronze, carbon, French gold, graphite, mocha bronze, and various polished and satin options.

Nashville, TN

Based in Nashville, TN, SAF provides custom aluminum anodizing and painting services, specializing in architectural finishes. The company also offers metal fabrication and distributes architectural aluminum sheet and extruded shapes, serving professionals across the building industry for various projects.

Goleta, CA

Based in Goleta, CA, Santa Barbara Industrial Finishing (SBIF) is a third-generation business established in 1976. They specialize in industrial paint and powder coating finishes, offering services such as sand blasting, chemical paint stripping, precision masking, and Mil Spec painting. SBIF is a PIEE and DDTC registered vendor.

Sacramento, CA

Based in Sacramento, CA, Sherm's Custom Plating specializes in comprehensive metal finishing services. They offer expert chrome, gold, nickel, and silver plating, along with polishing, sandblasting, and powder coating. The company also provides repair, fabrication, and restoration for various metal parts.

Tempe, AZ

Based in Tempe, AZ, Southwest Metal Finishing specializes in anodize and chem film coatings. They provide Sulfuric Anodize (Type II and Type III), Hard Anodize, Chem Film Conversion, Bright Dip, and color anodizing for aluminum. The company handles production lot sizes from 1 to 100,000 pieces.

Los Angeles, CA

Based in Los Angeles, CA, Spectrum Plating Company provides world-class metal finishing services. Specializing in reel-to-reel, rack, and barrel plating, the company supports critical components for the Automotive, Computer, Connector, Aerospace, and Telecommunications Industries, ensuring high-quality results for diverse applications.

Los Angeles, CA

Based in Los Angeles, CA, Stutzman Plating Inc. provides high-end decorative metal plating services. As a legacy business since 1950, they offer California compliant chrome plating along with brass, gold, nickel, bronze, silver, rose gold, copper, and black diamond finishes.

Houston, TX

Based in Houston, TX, Surface Techniques specializes in professional metal finishing. They provide expert anodizing and precious metal plating for various metal products. Serving B2B customers since 1976 across industries including packaging, food manufacturing, oil and gas, and aerospace.

Phoenix, AZ

Based in Phoenix, AZ, Southwest Metal Coating, LLC specializes in multi-step coating processes, offering powder coating and painting services. They focus on streetscape and municipal infrastructure projects, including light poles, traffic signals, and bus stop shelters, providing high-quality finishes to meet project specifications.

Roseville, CA

Based in Roseville, CA, Toledo Industrial Coatings provides nationwide industrial coating and surface preparation services. Capabilities include shop powder coating, zinc-based coatings, and comprehensive corrosion protection for industrial assets. They also offer rust treatment and high-performance epoxy/urethane applications, with NACE and SSPC certified specialists.

Tucson, AZ

Precision Finishing, Inc. in Tucson, AZ, specializes in Type II and Type III aluminum anodizing, offering extensive color options and bright dip finishes. They also provide chromate conversion coating (Chem-Film) to MIL-DTL-5541F spec and passivation for B2B clients, emphasizing quick turnaround.

Houston, TX

Based in Houston, TX, UltraClean Electropolish, Inc. specializes in onsite mechanical polishing, electropolishing, electrochemical cleaning, derouging, and passivation. They use exclusive pH neutral, residue-free chemistry for vessel remediation. ISO 9001:2015 certified, the company adheres to ASME-BPE and ASTM B912 standards for various equipment.

Sun Valley, CA

Universal Powder Coating, based in Sun Valley, CA, provides comprehensive metal finishing services for industrial and commercial customers. Their expertise includes powder coating, sand blasting, and chemical stripping, ensuring high-quality surface preparation and durable finishes for various metal products.

Based in Reading, PA, US Anodize is a third-generation family-owned business specializing in custom aluminum finishing. Services include anodizing, proprietary PERMODIZE® for enhanced aesthetics, and chromate conversion for corrosion protection. They also offer laser engraving for various materials, focusing on high-volume performance and quality.

Stratford, CT

U.S. Chrome provides comprehensive metal finishing services, specializing in hard chrome electroplating, thin dense chrome, electroless nickel, and nickel sulfamate. Based in Stratford, CT, the company offers durable coatings designed to enhance the performance and longevity of industrial components. They cater to a wide range of manufacturing applications.

Lynwood, CA

Valence Surface Technologies offers comprehensive metal finishing solutions for critical components, specializing in aerospace, medical, and defense. Services include non-destructive testing, shot peen, abrasive blasting, chemical processing, precision plating, and painting. They support major commercial aviation, space, and military programs with Nadcap and AS9100 approved services.

Waco, TX

Waco Metal Finishing, based in Waco, TX, provides comprehensive metal finishing services. They specialize in precise aluminum anodizing (Type 2 and Type 3) and stainless steel passivation (Type 2 and Type 4). The company also offers aluminum graining and sanding, processing parts up to 96 inches with fast turnaround and MIL-SPEC 8625 compliance.

Warsaw, IN

Based in Warsaw, IN, Warsaw Electropolishing is a division of Surface Enhancements, Inc. The company has over 25 years of experience specializing in electropolishing and passivation services for various industrial applications.

Vista, CA

Based in Vista, CA, West Coast PVD specializes in advanced Physical Vapor Deposition (PVD) coatings for metal components. The company provides durable, high-performance finishes that resist chipping, fading, and tarnishing. Serving diverse applications, including automotive trim, marine hardware, firearms, and jewelry, they leverage decades of industry expertise.

Fairburn, GA

Aalberts surface technologies specializes in diverse metal finishing services. Offerings include polymer coatings and reel-to-reel electroplating, such as barrel, selective, and rack plating. They also perform advanced heat treatment, hot isostatic pressing (HIP), and brazing. The company optimizes metallic materials for enhanced hardness, wear, and corrosion resistance.

Seattle, WA

Art Brass Aerospace Finishing, Inc. is a Boeing approved provider of metal finishing services based in Seattle, WA. The company specializes in applying various protective coatings and surface treatments, including cadmium plating, for aerospace and industrial components. They ensure processes meet rigorous industry specifications for critical applications.

Bodycote provides advanced surface technology solutions, specializing in high velocity oxygen fuel (HVOF), plasma, organic, ceramic, and polymer coatings. These services enhance material properties and performance for a wide range of industrial applications.

Gardena, CA

Based in Gardena, CA, Custom Metal Finishing Inc. (1800deburring.com) provides comprehensive metal finishing services. Specializing in deburring, vibratory finishing, tumbling, polishing, grinding, and bead blasting, the company delivers high-quality surface preparation and aesthetic finishes for diverse metal components and industrial applications.

Piedmont, SC

Based in Piedmont, SC, Aalberts specializes in comprehensive metal finishing services. They offer expert electroplating, e-coat, and powder coating solutions, alongside various value-added services. The company focuses on delivering high-quality surface treatments to enhance products for industrial and commercial applications.

Escondido, CA

Based in Escondido, CA, A & D Plating USA offers in-house metal finishing. Services include electroless nickel, zinc plating, anodizing, chem film, passivation, copper plating, electro-stripping, and metal polishing. The company serves Southern California manufacturers with quick turnaround times and immediate quotes.

Pico Rivera, CA

Based in Pico Rivera, CA, AIC Industrial Coatings provides a range of metal finishing services. They specialize in sandblasting, powder coating, and liquid coating, catering to custom and industrial work. The company offers surface preparation and protective coating solutions for various applications.

Detroit, MI

Based in Detroit, MI, Ajax Metal Processing offers specialized metal processing services including heat treating, plating, and sealing. They also provide wire processing, featuring continuous and batch-style rod annealing, for various industrial clients.

Roseville, CA

Based in Roseville, CA, Advanced Metal Finishing provides precision metal finishing services for mission-critical parts. The company serves the aerospace, defense, and medical industries, offering NADCAP-ready processes, certified testing, and rapid turnaround. They focus on meeting tight tolerances and demanding specifications.

Syracuse, NY

Anoplate Corporation is a Syracuse, NY-based provider of industrial metal finishing and anodizing services. Established in 1960, the company offers a range of surface treatment solutions for various applications nationwide.

Based in Billerica, MA, AOTCO specializes in providing exceptional metal finishing and plating services. With over 45 years of expertise, the company delivers high-quality solutions and fast turnarounds for industrial and commercial clients. AOTCO's offerings ensure precision and durability for various metal components and applications.

Gardena, CA

Beach Cities Powder Coating provides powder coating, sandblasting, and wheel repair services from its facility in Gardena, CA. Serving the Los Angeles and Orange Counties for over 35 years, the company specializes in expert powder coating solutions for various applications.

Huntington Beach, CA

Based in Huntington Beach, CA, Cal-Aurum Industries provides high-quality metal finishing and electroplating services. Specializing in Gold, Silver, Palladium, Nickel, and other plating types, they serve the microelectronics, aerospace, electrical connector, and high-tech industries. Cal-Aurum is Nadcap and AS9100 accredited.

San Clemente, CA

Based in San Clemente, California, Coast Powder Coating specializes in durable, high-quality powder coating. Services include finishing for automotive, marine, RV, and patio furniture. They also accommodate production runs for manufacturers, offering custom colors and textures. Serving Orange County, the company provides convenient pick-up and delivery options.

Maryland Heights, MO

Based in Maryland Heights, MO, Corrosion Protection Services specializes in industrial corrosion solutions. They provide blasting, painting, powder coating, and metallizing for various industrial applications. Additional services include protective linings, intumescent coatings, industrial cleaning, and environmental remediation for infrastructure and equipment.

Azusa, CA

Elite Metal Finishing, dba Rose Manufacturing Group Inc., is a full-service metal finishing company based in Azusa, CA. They specialize in electroplating, anodizing (Type II and Type III Hardcoat), passivation, and electropolishing. The company offers a range of pre-treatment and post-treatment options to commercial and industrial clients.

Gastonia, NC

Expert Electropolishing, Inc. is a Gastonia, NC-based company specializing in electropolishing services. They provide chemical polishing, deburring, and surface finishing for various metals, enhancing corrosion resistance and aesthetic appeal. Their processes are designed for industrial and commercial applications across diverse industries.

Dallas, TX

Based in Dallas, TX, Industrial Coating Specialist provides industrial painting and coating services. The company specializes in enhancing products and protecting and extending the useful life of clients' assets, serving as a reliable contractor in the southwest.

Baldwin Park, CA

Based in Baldwin Park, CA, Industrial Powder Coatings specializes in high-quality powder coating services for diverse industrial applications. They offer comprehensive metal finishing solutions, including sandblasting, precise masking, and custom project handling. This company focuses on delivering durable and aesthetically pleasing finishes for various components.

Fort Worth, TX

Based in Fort Worth, TX, Infinity Finishing Services specializes in industrial and specialty coatings. The company offers a range of surface finishing solutions, including Cerakote application and various painting services for diverse industrial needs.

Sacramento, CA

Based in Sacramento, CA, Metal Finishing Group provides comprehensive metal finishing processes from one location. They handle projects for critical applications, boasting tank capabilities up to 12 ft long. Leveraging Northern California’s largest finishing infrastructure, the company offers a full spectrum of solutions for various leading sectors.

New England Electropolishing specializes exclusively in precision stainless steel electropolishing. Located in Fall River, MA, the company offers expertise for medical devices, small components, and large vessels up to 8 feet long by 4 feet in diameter. They also provide citric acid passivation for stainless steel products.

Ontario, CA

Based in Ontario, CA, Ontario Metal Polishing provides custom metal finishing services for commercial and industrial clients. Specializing in polishing architectural finishes, industrial components, aerospace parts, and marine hardware, the company offers a range of expertise for various metal types and applications.

Elk Grove Village, IL

Based in Elk Grove Village, IL, Perfection Plating, Inc. specializes in various metal finishing services. They offer gold plating, silver plating, palladium-nickel plating, tin plating, and nickel plating finishes. The company utilizes state-of-the-art barrel plating techniques for these operations.

Paso Robles, CA

Based in Paso Robles, CA, Powder Coating USA Inc. offers expert metal finishing services. Specializing in durable powder coating, sand blasting, and custom color application, the family-owned company serves both homeowners and industrial clients. With over 40 years of metal-working experience, they revitalize various metal projects.

Chicago, IL

Progressive Coating, based in Chicago, IL, provides specialized industrial metal finishing services. Utilizing its own facilities, the company offers fluidized bed powder coating, vinyl plastisol dip coating, and electrostatic powder coating. They serve B2B clients in industries such as electric vehicles, power distribution, locomotive, automotive, heavy vehicles, and drive systems.

Santa Ana, CA

Based in Santa Ana, CA, Reid Metal Finishing provides diverse services for aerospace, medical, defense, and industrial sectors. Capabilities include various aluminum anodizing processes, chemical film, and plating options like nickel, cadmium, and zinc-nickel. They also offer non-destructive testing, bead blasting, and conversion coatings.

Santa Clara, CA

Based in Santa Clara, CA, Santa Clara Plating Co., Inc. provides a range of metal finishing services including anodizing, electroless nickel plating, chemical films (Alodine), blackening, passivation, and masking. The ISO 9001:2015 certified company serves clients throughout San Jose, San Francisco, and Silicon Valley.

Corona, CA

Based in Corona, CA, SoCal Powder Coating is a family-owned business providing sandblasting and powder coating services. They cater to both commercial and consumer projects, applying protective and decorative finishes on items such as automotive parts, gates, fitness equipment, and furniture, focusing on quality and fast turnaround.

Thomaston, CT

Based in Thomaston, CT, Summit Plating offers industrial electroplating services for high-end surface finishes. Specializing in round wire, continuous, and loose part plating, they apply gold, silver, and palladium to exacting specifications. The company holds ISO 9001:2015 and NADCAP certifications, partnering with industrial clients.

Canoga Park, CA

Based in Canoga Park, CA, Supreme Metal Polishing provides professional metal polishing services. The company specializes in restoring and finishing various metal surfaces. Operating from its own facility, they offer direct solutions for industrial and commercial clients requiring high-quality metal finishing.

Pewaukee, WI

Based in Pewaukee, WI, Swiss-Tek Coatings, Inc. provides high-performance industrial coatings and custom finishing solutions. They specialize in fluoropolymer, dry film lubricant, and corrosion-resistant coatings, alongside electroless nickel plating, anodizing, passivation, and phosphating services for diverse industrial applications.

Fresno, CA

Based in Fresno, California, Valley Metal Finishing, Inc. specializes in aluminum anodizing solutions. The company leverages over 45 years of experience, delivering consistent, reliable results for clients throughout the California Central Valley. They provide a standard 48-72 hour turnaround, with expedited 24-hour service.

Tempe, AZ

AZ Custom Coatings, based in Tempe, AZ, specializes in high-performance coatings and firearm applications. They apply non-stick FDA approved coatings, PTFE fluoropolymer coatings, high-temperature thermal barrier ceramic coatings, dryfilm lubricants, and heat dissipation coatings. With over 30 years of experience, they guarantee their work and offer a 7-10 day turnaround.

Indianapolis, IN

Based in Indianapolis, IN, Industrial Anodizing offers specialized metal finishing services. The company provides passivation for stainless steel, a cleaning process that forms a thin transparent film to maximize corrosion protection. This core offering caters to industrial clients seeking enhanced material durability.

Houston, TX

Based in Houston, TX, Specialty Metal Finishing, Inc. offers specialized industrial metal finishing services. The company provides a range of surface treatment solutions, including various coatings and platings. Their expertise is utilized to enhance the durability, corrosion resistance, and functional performance of components for diverse commercial and industrial applications.

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How to Choose a Company

  • Verify the supplier's specific process capabilities and tank sizes, ensuring they can physically handle your parts for processes like Type II or Type III hardcoat anodizing, or have adequate barrel capacity for small-part electroless nickel plating.
  • Demand proof of adherence to relevant industry specifications such as AMS 2404 for Electroless Nickel, ASTM A967 for Passivation, or MIL-DTL-5541 for Chromate Conversion Coating, rather than just general claims of quality.
  • For aerospace, defense, or critical medical applications, insist on Nadcap accreditation (e.g., AC7108 for chemical processing, AC7110 for coatings), not merely ISO 9001 or AS9100, which are broader quality system certifications.
  • Inquire deeply about their masking capabilities and expertise; complex geometries or selective plating require highly skilled technicians and appropriate masking materials to protect specific areas from the finish.
  • Assess their pre-treatment line: the effectiveness of cleaning, degreasing, and etching steps directly impacts coating adhesion, uniformity, and prevents common issues like blistering or peeling post-finishing.
  • Be wary of suppliers who don't proactively ask about your post-finishing dimensional tolerances or the need for hydrogen embrittlement relief for high-strength steel, indicating a potential lack of critical process understanding.
  • Review their quality control protocols specifically for metal finishing, including their methods for measuring coating thickness uniformity (e.g., XRF, eddy current), adhesion testing (e.g., cross-hatch, bend test), and salt spray testing (ASTM B117) frequency.

Supplier Types at a Glance

TypeBest ForTypical MOQ
Small Job Shop (General Purpose)Prototypes, small batch runs, non-critical commercial parts, common finishes like zinc plating or general anodizing, quick turnarounds.1-100 parts, flexible
Specialized Coater (Niche Process)Unique finishes (e.g., PVD/CVD, hardcoat anodizing only, e-coating), demanding performance specs, specific material expertise (e.g., titanium, magnesium).50-500 parts, often higher for setup
Large Volume Plater (Automated Lines)High-volume production, automotive components, consumer electronics, industrial parts with consistent geometries, cost-efficiency for common finishes.1,000+ parts, often 10,000+
Aerospace/Defense Certified ShopCritical aerospace, defense, or medical components requiring Nadcap, AS9100, strict documentation, full traceability, and rigorous quality control.Variable, but cost per part is higher due to overhead

Frequently Asked Questions

What's the difference between Type II and Type III hardcoat anodizing, and when should I use each?

Type II (sulfuric acid anodizing) provides good corrosion resistance and is ideal for dyeing, yielding a cosmetic finish typically between 0.0001-0.001 inches thick. Type III (hardcoat anodizing) uses higher current densities and lower temperatures, resulting in a much harder, denser, and thicker (0.001-0.003 inches) coating primarily for wear resistance, abrasion protection, and electrical insulation. Use Type II for general protection and aesthetics, and Type III for components requiring extreme durability and hardness.

How do I prevent hydrogen embrittlement when plating high-strength steels?

High-strength steels (typically Rockwell C 35 or higher) are susceptible to hydrogen embrittlement when exposed to hydrogen atoms during plating. The critical prevention step is a post-plating bake: components must be baked at a specified temperature (e.g., 375°F for 3 hours) within a very short timeframe (typically 1-4 hours) after plating. Ensure your supplier has a certified baking oven and adheres to precise timing and temperature requirements per relevant specifications like ASTM B850 or AMS 2759/9.

What specific drawing call-outs are essential for getting an accurate quote for passivation?

For passivation, specify the base material (e.g., 303, 304, 316 stainless steel), the passivation specification (e.g., ASTM A967 (Nitric or Citric Acid Method), AMS 2700), and any post-passivation testing requirements (e.g., salt spray, humidity test, copper sulfate test per ASTM A380). Clearly indicate if the part has been machined or heat-treated, as this can affect the surface condition and passivation method required.

Can all metal finishing shops handle my complex masking requirements for selective plating?

No, not all shops possess the expertise or equipment for complex masking. Selective plating often requires intricate masking techniques using waxes, tapes, lacquers, or custom-fit fixtures to protect specific areas from the finish. It's crucial to discuss your masking needs upfront, provide clear drawings showing areas to be coated and areas to be masked, and verify the supplier's experience and success rate with similar masking challenges. Improper masking leads to costly rework or scrapped parts.

What impact does part geometry have on coating thickness uniformity, especially with processes like electroplating?

Part geometry significantly impacts coating thickness uniformity in electroplating due to the 'Faraday cage effect' and current density distribution. Areas with sharp edges, points, or protrusions tend to receive a thicker deposit, while recessed areas, deep holes, or inside corners often receive a thinner, or even no, deposit. This is less pronounced with electroless plating, which offers more uniform coverage. Always provide drawings with critical dimensions post-plating and discuss geometric challenges with your finisher to manage expectations or explore alternative processes.

What's Nadcap and why is it critical for certain metal finishing applications?

Nadcap (National Aerospace and Defense Contractors Accreditation Program) is a global industry-managed program for special processes like chemical processing, heat treating, and coatings. It goes beyond ISO 9001/AS9100 by specifically auditing the technical competence and adherence to stringent process controls required for these critical manufacturing steps. For aerospace, defense, and some medical device applications, Nadcap accreditation (e.g., AC7108 for chemical processing) is often a mandatory requirement to ensure the highest levels of quality, reliability, and traceability for life-critical components, significantly reducing supply chain risk.

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