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Resin Manufacturers

Last updated: January 2026

This directory lists 91 resin manufacturers across the United States, from specialty compounders developing custom formulations to large-scale commodity resin producers.

Buyers often wrestle with securing a stable supply of materials that meet precise specifications, particularly when dealing with specialized additives, custom color matching, or tight tolerance on melt flow index. The problems range from ensuring compliance with evolving regulations like REACH or RoHS, to maintaining consistent rheology across large production runs, which directly impacts downstream molding or extrusion processes.

Supplier types span a wide spectrum: from virgin resin producers of commodity polymers (e.g., PP, PE, PVC) to custom compounders who blend polymers with additives, fillers, and pigments to achieve specific properties. There are also recyclers and toll compounders. Large, integrated producers often offer standard grades and high volumes, while specialty compounders excel in low-volume, high-performance applications, often with proprietary masterbatch formulations.

Before engaging suppliers, buyers should have clear material specifications, including polymer type, additive requirements, target mechanical properties, and regulatory needs (e.g., FDA, USP Class VI). Suppliers will expect detailed forecasts, desired packaging (e.g., bulk bags, 25kg sacks), and any critical performance parameters to accurately quote and assess feasibility. Be prepared to discuss application details as suppliers often offer valuable DFM (Design For Manufacturability) insights related to material choice.

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Company Directory

91 companies nationwide

3V Sigma USA

Georgetown, SC

3V Sigma USA is a specialty chemical manufacturer based in Georgetown, SC, producing a diverse range of advanced chemicals. Their offerings include synthetic polymers, organic chemistry molecules, acrylates, and vinyl pyrrolidone polymers for various industrial applications, serving as a direct provider of resin manufacturing capabilities.

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Accel Polymers, LLC

Wentzville, MO

Based in Wentzville, MO, Accel Polymers, LLC is a plastic compounder and recycler. They produce and supply certified reprocessed and recycled polymers, including Polypropylene, Polyethylene, ABS, and Nylon. The company offers pelletizing, granulating, and custom compounding services for industrial manufacturers.

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Advanced Polymer Technology

Based in Evans City, PA, Advanced Polymer Technology manufactures polyurethane-based materials and acrylic coatings. The company provides custom solutions for concrete protection, recreational surfaces, and athletic tracks. Emphasizing quality and sustainability, they utilize renewable and recycled materials to produce their commercial and athletic surfacing products.

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Anderson Development

Adrian, MI

Based in Adrian, MI, Anderson Development manufactures acrylic resins. They specialize in producing GMA, HFA, and CFA acrylics, specifically designed for use in various powder coating applications. The company provides specialized resin solutions for industrial and commercial customers.

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Applied Poleramic Inc.

Benicia, CA

Applied Poleramic Inc. develops and manufactures innovative matrix materials for optimized composite performance. Serving aerospace, marine, and industrial markets, the company specializes in advanced resin systems. They provide solutions for various composite manufacturing processes including infusion, pultrusion, and filament winding.

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ATC

Pompano Beach, FL

Based in Pompano Beach, FL, ATC specializes in manufacturing a diverse range of polymer systems. Their capabilities include producing epoxies, urethanes, acrylics, ester blends, polyethers, and polyureas. ATC provides these specialized resins for various industrial applications, serving clients with custom manufacturing solutions.

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Aurora Material Solutions

Streetsboro, OH

Based in Streetsboro, OH, Aurora Material Solutions manufactures custom thermoplastic and PVC compounds. They provide engineering plastics solutions including PC, ABS, and ASA polymers. The company delivers custom formulations for various applications, serving automotive, industrial, and healthcare sectors.

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Ballyhoo Plastics

Corpus Christi, TX

Ballyhoo Plastics, based in Corpus Christi, TX, specializes in supplying and custom compounding commodity and engineering-grade plastic resins for manufacturers. They offer high-quality materials, cost-saving alternatives, and champion closed-loop plastic recycling programs, aiming to lead the industry in sustainable plastic supply and promote circular economy practices.

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Capital Resin Corporation

Columbus, OH

Capital Resin Corporation, based in Columbus, OH, is a custom chemical producer specializing in industrial resin manufacturing. They offer contract and toll manufacturing services, alongside process development and research capabilities. The company produces high-quality phenolic, resorcinol, and amino resins for various specialty chemical applications.

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Circular Polymers by Ascend

Houston, TX

Circular Polymers by Ascend, based in Houston, TX, specializes in transforming post-consumer discarded carpet into new polymer raw materials. Utilizing rotary impact separator technology, they produce Nylon 6,6, Nylon 6, PET, and Polypropylene for diverse industrial applications.

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Conventus Polymers

Parsippany, NJ

Conventus Polymers, based in Parsippany, NJ, manufactures high-performance resins, custom compounds, and masterbatches. These specialized polymers offer enhanced strength and chemical properties. Serving diverse sectors like automotive, healthcare, energy storage, and industrial, they provide a broad portfolio.

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CPChem

The Woodlands, TX

CPChem, headquartered in The Woodlands, TX, directly manufactures a range of resins, including Styron™ General Purpose Polystyrene. These resins are produced at facilities like their Torrance location, offering robust performance and processing characteristics for diverse industrial applications.

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EFI Polymers

Denver, CO

Based in Denver, CO, EFI Polymers manufactures high-performance epoxy and urethane formulations. The company provides custom solutions, advanced polymer products, and private label/toll manufacturing services. They specialize in applications for electronics, motor manufacturing, and power grid infrastructure, focusing on durability and efficiency.

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Epic Resins

Palmyra, WI

Based in Palmyra, WI, Epic Resins manufactures and supplies custom epoxy and polyurethane compounds. Their formulations enhance reliability and performance for diverse industrial applications, including electronic potting, e-mobility, LED encapsulants, adhesives, batteries, and composites.

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EPODEX USA Corp.

St. Petersburg, FL

Based in St. Petersburg, FL, EPODEX USA Corp. manufactures professional-quality building materials. The company specializes in epoxy resins, microcement, paints, and varnishes, offering these products directly to customers. They provide a range of accessories for various construction and renovation needs.

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Engineered Polymer Solutions and Color Corporation of America

Engineered Polymer Solutions and Color Corporation of America specializes in manufacturing high-performance, quality resins. The company provides tailored resin solutions designed to meet the specific demands of diverse industrial, construction, and adhesive markets, serving B2B clients with advanced polymer technology.

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Fiber Glass Coatings Inc.

Saint Petersburg, FL

Based in St. Petersburg, FL, Fiber Glass Coatings Inc. manufactures resins and coatings. They provide polyester and epoxy resins, gelcoats, and fiberglass materials for marine, industrial, scenic, and museum applications, also distributing composites.

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Gellner Industrial, LLC

Millington, NJ

Gellner Industrial, LLC manufactures water-based acrylic resins, bringing over forty years of industry experience. They produce anionic, cationic, and hydroxyl functional acrylic resins used in various applications like printing inks and the coatings industry. Their specialized processes ensure product conformance and quality for industrial clients.

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General Polymer Services, LLC

Baytown, TX

Based in Baytown, TX, General Polymer Services, LLC specializes in manufacturing various polymers, resins, latex, rubber, and additives. They offer value-added processing services to polymer producers and supply quality products for polymer-modified applications. The company develops dependable polymers like SBS and SBR for the asphalt, adhesives, and compounding industries.

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Interplastic

Milwaukee, WI

Interplastic manufactures specialized panel resins for various industrial applications. They produce fatigue and freeze/thaw-resistant resins used in recreational vehicle sidewalls. The company also supplies panel resins specifically designed for tractor-trailer liners, serving the transportation and automotive sectors from its US facility.

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Kaneka Aerospace LLC

Benicia, CA

Based in Benicia, CA, Kaneka Aerospace LLC manufactures specialty high-performance composite materials. The company leverages its production, research, and development capabilities to serve diverse markets including aerospace, industrial, oil and gas, automotive, and wind energy sectors.

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Key Resin Company

Phoenix, AZ

Key Resin Company, based in Phoenix, AZ, manufactures polymer flooring and coating systems for various industrial and commercial applications. They offer durable resinous flooring solutions, including epoxy, urethane, and MMA products. Their made-in-USA products serve industries like chemical processing, food & beverage, and healthcare.

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LRBG Chemicals (USA) Inc.

Toledo, OH

Based in Toledo, OH, LRBG Chemicals (USA) Inc. is a custom manufacturer specializing in amino resins and amino spray-dried powdered resins. Their product range includes melamine, melamine-urea, and urea resins, primarily used as adhesives in diverse applications.

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Manner Polymers

Mckinney, TX

Based in McKinney, TX, Manner Polymers manufactures custom, specialty, and commodity PVC compounds. Their state-of-the-art plant produces 500,000 pounds daily using advanced extrusion and pelletizing technologies. They serve diverse markets like construction, automotive, consumer products, and telecommunications globally.

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Marine Coat One

Anaheim, CA

Based in Anaheim, CA, Marine Coat One specializes in providing gel coats, epoxy resins, and CIPP resin filling compounds. They offer a wide range of custom-matched colors for various applications, catering to both professional/wholesale clients and consumers seeking complete repair kits for marine and other surfaces.

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Modified Plastics, Inc.

Santa Ana, CA

Based in Santa Ana, CA, Modified Plastics, Inc. specializes in custom compounded and engineered polymers. Established in 1976, the company leverages its 47-year tradition to create specialized plastic materials. Quality assurance and technical development are supported by their on-site Plastics Analytical Laboratory.

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MRC Polymers

Chicago, IL

MRC Polymers specializes in engineering plastics, offering comprehensive plastic compounding services to create tailored materials for manufacturing applications. They also provide toll washing and grinding services, enhancing the properties and preparing plastic resins for diverse industrial uses. The company focuses on technical solutions and material processing.

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Peak Performance Compounding, LLC

Based in Leominster, MA, Peak Performance Compounding, LLC specializes in precision thermoplastic toll and custom compounding for medical and industrial markets. They offer tailored polymer formulations, color matching, extrusion, blending, drying, and white room processing of biomedical polymers. Services include no minimums and fast turnaround.

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Piedmont Resin Supply

Cartersville, GA

Based in Cartersville, GA, Piedmont Resin Supply manufactures engineering thermoplastics and provides custom compounding and toll services for various resins. The ISO 9001:2015 certified company operates 4 twin-screw production lines with over 70 million pounds annual capacity.

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The Plastics Group of America

Woonsocket, RI

Based in Woonsocket, RI, The Plastics Group of America is an asset-based manufacturer specializing in custom compounding Polifil® polypropylene-based reinforced resins. With 300,000 sq. feet of manufacturing space, they custom-compound resins to meet specific physical, mechanical, and thermal application requirements.

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Plastics Engineering Company

Sheboygan, WI

Plastics Engineering Company, operating as Plenco, is a family-owned North American manufacturer based in Sheboygan, WI. For over 80 years, the company has specialized in producing high-value phenolic resins and thermoset molding materials. They offer phenolic novolac, resol resins, and thermoset polyester molding materials for various projects.

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Polymer Industries

Polymer Industries manufactures polyolefins, engineering plastics, and high performance plastics. Established in 1975, the company provides plastic materials for diverse sectors including Building & Construction, Chemical, Food & Beverage, Marine, and Heavy Equipment. They focus on product excellence, customer service, and sustainable practices.

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Polytek Development Corp.

Based in Easton, PA, Polytek Development Corp. manufactures versatile, specialty polymers for diverse applications. They produce silicone, polyurethane, epoxy, latex, and thermoplastic elastomer materials. These polymers are utilized for mold making, casting, and various coating applications across multiple industries.

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PPP, LLC

Vernon, CA

Based in Vernon, CA, PPP, LLC is a full-service plastic recycling company specializing in reprocessing grade 2 and 4 polyethylene plastics. They offer start-to-finish services, transforming plastic scrap into high-quality recycled pellets and post-consumer resin for various manufacturing applications.

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Polymer Resources

Polymer Resources manufactures engineering thermoplastic compounds and polymer resins, active since 1974. They provide NEMA and UL approved materials for electrical, medical, consumer goods, transportation, and building & construction markets. Capabilities include color matching and short lead times.

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R&D Resin LLC

Port Huron, MI

Port Huron, MI-based R&D Resin LLC specializes in custom epoxy formulations and composites consulting. They offer over 63 variations of room and high-temperature epoxy resins for molding parts and tooling. Products are customized for diverse industrial applications.

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ResinLab LLC

Germantown, WI

Based in Germantown, WI, ResinLab manufactures resins, specializing in custom adhesives and encapsulants. The company provides custom formulations, packaging, lab services, product modifications, and toll blending for various industrial applications.

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RTP Company

Lake City, MN

RTP Company, based in Lake City, MN, specializes in custom engineered thermoplastic compounds. They provide solutions using over 60 resins and 100s of modifiers to create tailor-made materials. Offering both made-to-order high-tech compounds and off-the-shelf unfilled resins, they manufacture thermoplastic pellets, custom engineered sheet products, and polymer films for diverse applications.

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SEKISUI Specialty Chemicals

Pasadena, TX

Based in Pasadena, TX, SEKISUI Specialty Chemicals provides innovative polymer solutions and chemical products. The company leverages prominent technologies to create sustainable solutions, aiming to address real-world problems across various industries. It is a global chemical company focused on advanced chemical manufacturing capabilities.

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SNL Creative

Cypress, CA

Based in Cypress, CA, SNL Creative specializes in high-quality polyurethane casting and advanced additive manufacturing. They offer turnkey production solutions, including precision tooling, mold making, and 3D printing for production parts. Services also cover CAD design, digital sculpting, custom colors, and finishing for diverse industries.

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Southland Polymers, Inc.

Santa Fe Springs, CA

Based in Santa Fe Springs, CA, Southland Polymers, Inc. is a full-service supplier of thermoplastic resins to OEMs and plastic processors. Leveraging in-house compounding and material science expertise, they provide custom solutions. The company offers a complete line of certified prime resins, including ABS, Nylon, and Polypropylene, meeting diverse industrial requirements.

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Spectrum Polymers

Mansfield, TX

Spectrum Polymers, based in Mansfield, TX, is a plastics compounder specializing in custom quality engineered resin products. They are dedicated to producing advanced polymer solutions using environmentally friendly processes, serving diverse industrial applications with tailored resin compounds and materials.

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S-Polymers

Valencia, CA

Based in Valencia, CA, S-Polymers specializes in the synthesis and formulation of thermoset resins, including epoxies and urethanes. The company provides comprehensive expertise from resin development to processing, dispensing, applying, and curing. They offer solutions for diverse polymer applications.

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Star Plastics

Millwood, WV

Based in Millwood, WV, Star Plastics specializes in custom polymer compounding for engineering-grade thermoplastics. They develop and supply tailored plastic compounds, including flame retardant PC/ABS and PFAS-free polycarbonate formulations. Offering material sourcing, tolling, and blending, the company also provides sustainable polymer grades with certified recycled content for diverse applications.

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Sun Polymers, Inc.

Mooresville, IN

Sun Polymers, Inc. manufactures a wide range of polyester and acrylic resins, including high-performance options for powder coatings, and solid acrylics for C.A.S.E. and ink markets. They also offer waterborne polyesters, acrylics, and PUDs, serving industries such as coatings, adhesives, and printing inks.

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Super Epoxy Systems

St. Petersburg, FL

Based in St. Petersburg, FL, Super Epoxy Systems manufactures and supplies a variety of epoxy resins and adhesives, including deep pour, bar top, and art epoxies. The company offers products suitable for artisans, craftsmen, and commercial projects, alongside private label services for businesses.

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System Three

Lacey, WA

System Three is a manufacturer of epoxy adhesives, coatings, encapsulants, and composite resin systems. Utilizing available technology, the company provides specialized resin solutions for various applications. They focus on delivering high-performance products for diverse industrial and commercial needs.

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The Materials Group

Rockford, MI

The Materials Group manufactures and distributes engineered thermoplastic resins, including proprietary polypropylene, polycarbonate, ABS, TPE, and nylon. They provide custom compounding services for optimal performance and value. Specializing in automotive interior, exterior, and underhood applications, the company also serves diverse industrial sectors.

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Ultima Plastics

Evansville, IN

Based in Evansville, IN, Ultima Plastics provides custom compounding of engineered resins. They specialize in glass-filled Nylon, polycarbonate, and polypropylene, offering sustainable, fire retardant, and impact modified formulations. Serving consumer, automotive, packaging, and construction industries, the company also offers on-site R&D and color matching services.

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United Resin

Royal Oak, MI

United Resin develops and manufactures a wide portfolio of epoxy resin systems, offering custom formulation for specific customer needs. With over 50 years of experience, they serve industrial clients in electronics, EV, aerospace, marine, automotive, and construction. Products include systems for potting, encapsulation, adhesives, and sealants.

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Upstart Epoxy

Based in Easton, PA, Upstart Epoxy manufactures USA-made epoxy resins. They specialize in crystal-clear, UV-resistant, and food-safe formulas for woodworking, river tables, casting, and epoxy crafts. The company offers deep pour and table top epoxy products tailored for these applications.

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Sika

Kansas City, MO

Sika (USA) manufactures high-performance resinous flooring products for demanding environments. They offer solutions for residential, home improvement, industrial, manufacturing, infrastructure, and transportation sectors. The company operates facilities within the United States, providing specialized resin-based product manufacturing.

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AOC Formulations

AOC Formulations manufactures innovative resin and formulation solutions for diverse industrial markets. The company develops sustainable rPET-based formulations for sectors including construction, maritime, automotive, and consumer goods. They specialize in products like Atlac® and Synolite™ to meet various application needs.

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Loctite Additive Manufacturing

Rocky Hill, CT

Loctite Additive Manufacturing develops and manufactures high-performance photopolymer resins for industrial 3D printing. The company offers an open materials platform with a diverse portfolio of LOCTITE 3D Printing Resins, suitable for engineering applications across healthcare, automotive, and general manufacturing, supporting both prototyping and production requirements.

Email available

Ministry of Resin

Ministry of Resin manufactures US-made mSLA 3D printing resins. Their practical, non-brittle, and waterwashable formulations deliver high detail and flexibility, performing well on both Mono and RGB screens. Ideal for intricate prints and prototyping, these resins offer easy cleanup. They are available for purchase directly and through Sainsmart.com.

Email available

Scott Bader North America

Scott Bader North America manufactures an extensive range of polyester resins, polymers, and specialty chemical solutions. The company provides durable products and systems for building & construction, land transport, marine, and renewables. They also responsibly manufacture bio-based ingredients for personal care and offer polymer formulations for diverse industrial markets.

Email available

Siraya Tech

San Gabriel, CA

Based in San Gabriel, CA, Siraya Tech manufactures high-performance UV resins and engineered filaments for 3D printing. The company specializes in engineering-grade UV resins, offering model, engineering, and castable resin collections. They also produce platinum silicones for diverse applications.

Email available

Specialty Resin & Chemical

Kalamazoo, MI

Based in Kalamazoo, MI, Specialty Resin & Chemical manufactures and supplies USA-made liquid silicone rubbers and casting resins. They provide expertly formulated, professional-grade materials for diverse casting and mold-making applications. The company supports over 2,000 American small businesses with its quality and affordable products.

Email available

Sun Chemical

Parsippany, NJ

Based in Parsippany, NJ, Sun Chemical manufactures a broad portfolio of resins tailored for diverse specialty applications. They serve industries such as packaging, optical and industrial films, artificial leather, and textiles. The company also offers color masterbatches, materials for printed circuit boards, and comprehensive color management solutions.

Email available

Sway

Sway develops and manufactures commercially viable, next-generation seaweed-based resins and materials. Utilizing natural polymers from seaweed, the company creates sustainable solutions, including proprietary TPSea™ and TPSea Flex™ technology products. These innovative, circular economy materials are used to produce Polybags and Retail Bags for various brands.

Email available

Advanced Polymer

Carlstadt, NJ

Based in Carlstadt, NJ, Advanced Polymer develops and manufactures specialty chemicals and polymers. They provide tailored solutions for industries including paints, coatings, adhesives, and textiles, emphasizing innovative products that meet stringent environmental standards. The company leverages extensive technical expertise to continuously improve its offerings.

Phone available

UltraClear Epoxy

UltraClear Epoxy manufactures American-made epoxy resins for bar tops, tables, countertops, deep pours, and marine applications. Their products offer exceptional clarity, strength, and resistance to scratches, heat, and UV. Formulated with zero VOC, their epoxies are virtually odorless.

Phone available

Compounding Solutions LLC

Lewiston, ME

Based in Lewiston, ME, Compounding Solutions LLC specializes in custom compounding thermoplastic polymers. They provide medical-grade color concentrates for precise applications and offer specialized polymer solutions like ReZalloy™ Rx and ReZilient™ Rx, particularly for medical device manufacturing.

Phone available

Cray Valley

Grand Junction, CO

Cray Valley develops and manufactures low molecular weight, functional additives, including butadiene homopolymers, copolymers, and pure monomer tackifying resins. The company also offers liquid polybutadiene, pure monomer, and bio-based resins, serving various industrial applications.

Phone available

Dow

Midland, MI

Dow is a global materials science company that manufactures a diverse portfolio of advanced resins, polymers, and specialty chemicals. Serving commercial and industrial applications, Dow innovations provide essential components for industries such as packaging, infrastructure, consumer solutions, and automotive, leveraging their extensive production capabilities.

Phone available

Elite Advanced Polymers Inc.

Based in Ripley, MS, Elite Advanced Polymers Inc. specializes in advanced polymer compounding and proprietary formulations. The company provides high-performance specialty polymer compounds for complex applications, leveraging over 20 years of experience. Services include state-of-the-art R&D, formulation, testing, and manufacturing tailored to industry needs.

Phone available

HB Fuller

Saint Paul, MN

Based in Saint Paul, MN, HB Fuller manufactures a broad range of high-performance adhesive, bonding, potting, impregnating, sealing, and coating systems. These specialty chemical solutions serve diverse industrial applications, utilizing various resin formulations in their products.

Phone available

KW Plastics

KW Plastics manufactures polyethylene and polypropylene resins, noted for its substantial industry capacities. The company specializes in plastic processing techniques such as blow molding, injection molding, extrusion, and blown film applications, serving industrial customers who require high-volume resin production for diverse manufacturing needs.

Phone available

Mallard Creek Polymers

Charlotte, NC

Mallard Creek Polymers manufactures high-performance water-based emulsion polymers, including acrylic, styrene acrylic, and styrene butadiene. Based in Charlotte, NC, they produce specialty polymer solutions for diverse B2B applications in construction, nonwovens, adhesives, textiles, printing & packaging, paper, and paints & coatings.

Phone available

Polymer Chemistry Innovations

Alvin, TX

Polymer Chemistry Innovations, based in Alvin, TX, specializes in polymer chemistry, operating facilities in Texas and Arizona. The company utilizes a wide range of equipment for developing and manufacturing innovative polymer-based materials, encompassing various types of resins and related chemical solutions.

Phone available

PTM&W

Santa Fe Springs, CA

Based in Santa Fe Springs, CA, PTM&W specializes in developing and manufacturing specialty resin systems. The company creates advanced resin technologies designed to meet unique and highly specific performance requirements, extending beyond conventional resin solutions for diverse industrial applications.

Phone available

Resin Solutions LLC

Based in Exton, PA, Resin Solutions LLC manufactures specialty low molecular weight functional additives. The company offers Poly bd® resins, which are hydroxyl-terminated polybutadiene homopolymers, and Dymalink® metallic monomers. These products serve the adhesives, rubber, and thermoplastics industries.

Phone available

ResinTech

Camden, NJ

Based in Camden, NJ, ResinTech manufactures premium ion exchange resins and media for diverse water purification needs. They provide solutions for residential, commercial, and industrial applications, including specialized PFAS reduction systems and resin analysis.

Phone available

Smooth-On

Based in Macungie, PA, Smooth-On manufactures a wide range of liquid plastic casting resins, including polyurethane, silicone, and epoxy systems. They provide specialized materials for mold making, prototyping, and diverse industrial, artistic, and hobbyist applications.

Phone available

US Polymers-Accurez

Based in St. Louis, MO, US Polymers-Accurez manufactures American-made specialty resins for high-performance coatings, adhesives, inks, and elastomers. The company develops and tests resin systems that support fast dry times and zero-VOC options, customizing formulations to meet unique client needs.

Phone available

Valtris Specialty Chemicals

Independence, OH

Valtris Specialty Chemicals, based in Independence, OH, is a global producer of specialty chemical additives, intermediaries, and precursors. They provide polymer additives and solutions essential for the global polymers industry, showcasing sustainable innovations at industry events such as K 2025.

Phone available

Verde Bioresins, Inc.

Verde Bioresins, Inc. manufactures PolyEarthylene® biopolymer resins, offering a biobased, recyclable, and landfill biodegradable alternative to petroleum-based polyolefins. These sustainable resins are suitable for both durable and single-use applications, serving industries like automotive, medical packaging, consumer goods, and agriculture.

Phone available

Westlake Corporation

Houston, TX

Based in Houston, TX, Westlake Corporation is a global manufacturer and supplier of innovative materials and products. The company provides building blocks for various vital solutions, including packaging, healthcare, automotive, and construction. Westlake operates U.S. facilities that manufacture PVC resin, serving diverse industrial and commercial markets.

Phone available

WEST SYSTEM Epoxy

WEST SYSTEM Epoxy manufactures marine-grade epoxy resins and hardeners. Their products are designed for boat building, boat repair, home renovation, and restoration applications. The company's high-quality epoxy systems are widely available through local marine and hardware stores for professional and advanced DIY use.

Phone available

3D Resin Solutions

3D Resin Solutions is an American manufacturer specializing in custom 3D photopolymer resin formulations. The company provides ISO 9001 quality production services for a range of industrial and creative applications. They offer scalable solutions, enabling clients to request custom quotes for their specific project needs.

No contact on file

Alumilite

Alumilite manufactures a diverse selection of USA-made casting resins and mold-making materials. Products include epoxies, silicones, urethanes, UV resins, and specialized floral preservation resin. Alumilite provides these materials for various casting, coating, and molding applications.

No contact on file

Bakelite Synthetics

Beaver Creek, MI

Bakelite Synthetics produces thermoset specialty resins, systems, and engineered thermoset molding compounds. This global integrated manufacturer focuses on sustainable and innovative chemistry, providing essential materials for diverse industrial applications worldwide from its US facilities.

No contact on file

DMG America

DMG America manufactures high-quality, light-cured resins for dental 3D printing applications. LuxaPrint products are optimized for digital light processing (DLP) printers, supporting aesthetic restorations and preventative treatments. The company integrates these resins with hardware and software, offering complete digital solutions for dental practices.

No contact on file

Gougeon Brothers, Inc.

Bay City, MI

Based in Bay City, MI, Gougeon Brothers, Inc. is an employee-owned company specializing in the manufacturing of high-performance epoxy systems. They produce well-known brands including Entropy Resins®, PRO-SET® Epoxy, and WEST SYSTEM® Epoxy, serving various industries with their advanced resin solutions.

No contact on file

Hexion Inc.

Fayetteville, NC

Hexion Inc. is a leading global manufacturer of thermoset resins and specialty chemicals. The company provides a diverse portfolio of products, including epoxy, phenolic, and forest product resins, for various industrial applications. Based in Fayetteville, NC, Hexion focuses on technical partnerships to deliver innovative material solutions for its clients.

No contact on file

INEOS Olefins & Polymers USA

Carson, CA

INEOS Olefins & Polymers USA operates a manufacturing plant in Carson, California, specializing in the production of polypropylene resins. The Carson facility, which began operations in 1999, directly supplies high-quality polypropylene for various industrial applications.

No contact on file

Lattice Composites LLC

Solon, OH

Based in Solon, OH, Lattice Composites LLC is a custom formulator and manufacturer specializing in advanced high-performance resin systems. The company produces prepreg resins, molding compounds, winding resins, and infusion resins for various industrial applications, offering tailored solutions to meet specific client needs for composite materials.

No contact on file

Solvay Advanced Polymers

Solvay Advanced Polymers manufactures high-performance and ultra-performance engineering plastics. Specializing in advanced resins, the company produces materials such as Torlon® PAI, Radel® A PESU, Radel® R PPSU, and Udel® PSU. They provide specialized polymer solutions for demanding industrial applications.

No contact on file

Shell Polymers

Shell Polymers specializes in the manufacturing of high-quality resin for commercial and industrial businesses. The company focuses on delivering consistent, reliable resin products from lot to lot, aiming to bring value through their emphasis on product quality and consistency for diverse applications.

No contact on file

Toray Resin Co.

Toray Resin Co. manufactures high-performance engineering plastics, resins, films, and performance chemicals. Serving automotive, electrical, and industrial applications, the company delivers innovative materials designed to provide real-world solutions. Toray Group focuses on sustainability and advanced materials to address global challenges.

No contact on file

Mitsubishi Chemical America

Charlotte, NC

Mitsubishi Chemical America manufactures over 70 grades of coating resins, including acrylic, methacrylic, and styrenic varieties. They offer polymers and resins for diverse industrial applications, serving key sectors such as automotive, medical, and packaging. The company focuses on sustainable chemical solutions.

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How to Choose a Company

  • Evaluate their expertise in your specific polymer family (e.g., polyolefins, engineering plastics, elastomers) and their capacity for specialized compounding or masterbatch development.
  • Verify their quality control protocols, specifically their ability to measure and control critical parameters like melt flow rate, tensile strength, impact resistance, and color spectrophotometry, ensuring batch-to-batch consistency.
  • For medical device or food contact applications, confirm current certifications such as FDA Device Master File, USP Class VI compliance for biocompatibility, or food-grade approvals, alongside their material traceability systems.
  • Assess their compounding capabilities: do they utilize twin-screw extruders for excellent additive dispersion or reactive extrusion for specific polymer modifications? This impacts homogeneity and performance.
  • Investigate their raw material sourcing and supply chain resilience, especially for specialty additives or global commodity resins, to mitigate risks of price volatility or lead time extensions.
  • Red Flag: Be wary of suppliers who offer exceptionally low prices without transparently explaining how they achieve cost savings; this often signals shortcuts in raw material quality, additive loading, or QC testing, leading to downstream processing issues or product failure.
  • Clarify their minimum order quantities (MOQs) for both standard grades and custom formulations; some large producers have MOQs in the multiple truckloads, while specialty compounders can accommodate smaller runs.

Supplier Types at a Glance

TypeBest ForTypical MOQ
Virgin Resin ProducerHigh-volume, standard commodity polymers, consistent supply for established products.Multiple truckloads (20,000 kg+)
Custom CompounderSpecialty applications, custom formulations, specific mechanical/thermal properties, masterbatch development.1,000 kg - 10,000 kg
Toll CompounderUtilizing proprietary formulations with customer-supplied raw materials, overflow production, specialized equipment access.500 kg - 5,000 kg
Recycled Resin ProcessorSustainable product initiatives, cost-sensitive applications where slight property variations are acceptable, circular economy goals.500 kg - 10,000 kg

Frequently Asked Questions

What technical data and documentation should I expect from a reputable resin manufacturer?

Reputable manufacturers provide comprehensive Technical Data Sheets (TDS) detailing material properties like melt flow index, density, tensile strength, and impact resistance. You should also expect Safety Data Sheets (SDS), Certificates of Analysis (COA) for each batch, and often regulatory compliance letters (e.g., RoHS, REACH, FDA, USP Class VI) relevant to your application.

How do I ensure consistent color matching across multiple resin batches?

Achieving consistent color requires a manufacturer with advanced color spectrophotometry equipment and strict process controls. Discuss their color matching process, ability to provide color chips for approval, and their statistical process control (SPC) data for pigments to ensure batch-to-batch delta E values remain within acceptable tolerances.

What's the typical lead time for a custom resin compounding project versus a standard grade?

Lead times for standard, off-the-shelf resin grades can range from a few days to a few weeks depending on stock and shipping. Custom compounding projects, however, typically require longer, often 4-8 weeks for initial sample development and qualification, followed by 2-4 weeks for production orders once approved, due to formulation, testing, and production scheduling.

What are the key considerations when switching from virgin to post-consumer recycled (PCR) resin?

Switching to PCR requires careful evaluation of material consistency, mechanical properties (which can vary more than virgin resins), and potential contaminants. Work closely with the manufacturer to understand their PCR feedstock sourcing, purification processes, and how they ensure the PCR grade meets your specific application's performance and regulatory requirements, especially for sensitive uses like food contact.

How much technical support should I expect during material selection and processing?

A strong resin partner offers substantial technical support, including material selection guidance, DFM (Design for Manufacturability) recommendations related to processing (e.g., injection molding, extrusion parameters), troubleshooting assistance for processing issues, and access to their polymer chemists or application engineers for specialized questions.

What does a resin manufacturer mean by "rheology" and why is it important for my product?

Rheology refers to the study of flow and deformation of matter, specifically how the molten plastic behaves under shear stress during processing. For your product, precise rheology (often measured by Melt Flow Rate or MFR) is crucial because it dictates how easily the resin fills a mold, extrudes consistently, or forms a film. Incorrect rheology can lead to issues like short shots, warping, excessive tool wear, or poor surface finish.

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