Fiberglass Manufacturing Companies

Last updated: January 2026

This directory lists 102 fiberglass manufacturing companies across the United States, from manual wet lay-up shops specializing in custom marine parts to advanced facilities leveraging automated filament winding and pultrusion for high-volume structural components.

Buyers engage these manufacturers to solve diverse challenges, from producing lightweight, high-strength structural elements for aerospace and automotive applications to crafting durable, corrosion-resistant enclosures and aesthetic panels. Key technical considerations often revolve around achieving specific strength-to-weight ratios, navigating complex geometries, ensuring consistent gel coat application, and managing post-cure distortion.

Suppliers in this space vary significantly. Some focus on large-scale open molding for architectural features or boat hulls, while others specialize in more controlled processes like vacuum bagging or Light RTM for precision parts. You'll find companies dedicated to continuous processes like pultrusion for constant cross-sections, and others offering specialized hand lay-up services for bespoke, low-volume projects requiring intricate detailing and unique composite layup structures.

To ensure a successful partnership, buyers should come prepared with detailed CAD models, material specifications (e.g., type of resin, fiber architecture), critical dimensions and tolerances, expected annual volume, and any specific surface finish requirements. Suppliers will expect clear engineering drawings and a defined scope of work to accurately assess project feasibility and provide a comprehensive quote, often inquiring about expected tooling life and budget early in the discussion.

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Company Directory

102 companies nationwide

3A Composites USA

3acompositesusa.com
Davidson, NC

Based in Davidson, NC, 3A Composites USA manufactures various composite panels and materials. The company provides aluminum composite materials, including Alucobond®, for architectural, graphic display, and corporate identity applications. They also develop lightweight composites for the industry and transport sectors, serving vehicles, marine, furniture, and general construction.

info.usa@3acomposites.com+18006263365

ACP Composites

acpcomposites.com
—

ACP Composites is a direct provider and source for high-quality fiberglass products, including E-glass and S-glass fabrics, sheets, and sandwich panels. The company offers comprehensive manufacturing services, from pre-production to post-production, utilizing their own facilities and equipment to produce advanced composite materials for various industrial applications.

amaddox@acpcomposites.com+19254435900

ADV Fiberglass

advfiberglass.com
Santa Ana, CA

Based in Santa Ana, CA, ADV Fiberglass specializes in expert fiberglass manufacturing services. They offer comprehensive solutions including 3D scanning, CAD design, and private label production. The company focuses on high-quality fiberglass components primarily for the off-road automotive industry, serving both individual customers and dealers.

sales@advfiberglass.com+17146958400

Associated Fiberglass Enterprises

afetexas.com
Mineral Wells, TX

Associated Fiberglass Enterprises, based in Mineral Wells, TX, offers comprehensive fiberglass manufacturing services. Specializing in standard, custom, and specialty products since 1959, they provide a complete package from concept and drafting through mold making, fabrication, assembly, and delivery.

sales@afetexas.com+18007986561

Advanced Fiber Products

afpfiberglass.com
La Crosse, WI

Advanced Fiber Products, located in La Crosse, WI, manufactures standard and custom fiberglass pultrusions. The company offers complete pultrusion fabrication and painting services, supported by an engineering and CAD-equipped design team. Their fiberglass products provide superior corrosion resistance, high strength, and low weight for various industrial applications.

info@afpfiberglass.com+16087960800

AIMS Composites

aimscomposites.com
Houston, TX

Based in Houston, TX, AIMS Composites manufactures advanced fiberglass reinforced polymer (FRP) products. They specialize in MASH TL-4 compliant, stainless steel reinforced FRP Life Rail Systems. These offer superior strength, corrosion resistance, and electrical non-conductivity, serving demanding infrastructure applications.

aimssales@aimscomposites.com+12815903240

American Grating

americangrating.com
Henderson, NV

American Grating, based in Henderson, NV, is a manufacturer of Fiberglass Reinforced Plastic (FRP) products. They specialize in a range of solutions including grating, structural beams, angles, and rebar. Serving industrial and commercial markets, the company provides durable, corrosion-resistant components for various applications.

sales@amgrating.com+18009904786

American Fiberglass Corporation

amfiberglass.com
Fresno, CA

Based in Fresno, CA, American Fiberglass Corporation custom fabricates and manufactures reinforced fiberglass plastics (FRP) products. They specialize in open mold (hand lay-up), closed mold (RTM), and tooling services. Serving diverse industries like automotive, industrial, marine, and architectural, the company delivers high-quality, cost-effective custom fiberglass solutions.

amfiberglass@comporium.net+18033278333

Apex Space & Defense Systems

apexsds.com
Huntington Beach, CA

Apex Space & Defense Systems, based in Huntington Beach, CA, provides composite manufacturing services with over 40 years of experience. They specialize in filament wound and hand laid up composites, serving defense, space, and mission-critical markets. The company operates 300,000 square feet of manufacturing facilities.

sshackelton@apexsds.com+12068909515

Applied Composites

appliedcomposites.com
Lake Forest, CA

Based in Lake Forest, CA, Applied Composites operates a 140,000 sq.ft. facility specializing in composite layup and manufacturing. The company provides advanced composite solutions, including fiberglass components, for various industrial applications. They offer comprehensive capabilities from design to production for B2B customers.

aclf@appliedcomposites.com+19497163511

Waco Composites

armorcore.com
Waco, TX

Based in Waco, TX, Waco Composites specializes in manufacturing UL 752 certified bullet-resistant fiberglass wall panels. They use a proprietary process merging woven-roving fiberglass with resin. These composite panels serve diverse sectors including commercial, government, healthcare, military, and residential for security applications.

wchampton@armorcore.com+18666883088

Augusta Fiberglass

augustafiberglass.com
Blackville, SC

Augusta Fiberglass, based in Blackville, SC, manufactures custom designed and fabricated Fiberglass Reinforced Plastic (FRP) tanks, duct, scrubbers, stacks, and liners. An RTP-1 fabricator, they provide solutions for complex issues for power generation, pulp and paper, wastewater, and chemical processing industries.

info@augustafiberglass.com+18005271572

Belding Tank Technologies

beldingtank.com
Belding, MI

Based in Belding, MI, Belding Tank Technologies manufactures custom fiberglass tanks. The company specializes in producing various vertical and horizontal tank models, built to precise client requirements. With dedicated facilities and a focus on quality and customer service, they serve industrial and commercial needs.

sales@beldingtank.com+18002534252

BGF Industries

bgf.com
Danville, VA

Based in Danville, VA, BGF Industries is a US manufacturer of innovative technical fiber materials, specializing in glass fabrics. They provide high-strength, high-temperature, lightweight solutions for various global markets, including aerospace, protective composites, and marine industries.

info@bgf.com+18004764845

Champion Fiberglass, Inc.

championfiberglass.com
Spring, TX

Based in Spring, TX, Champion Fiberglass, Inc. specializes in manufacturing fiberglass electrical conduit and strut. They supply these crucial fiberglass products to industrial, electrical, and mechanical markets. Champion Fiberglass provides high-performance solutions for demanding commercial and infrastructure applications.

info@championfiberglass.com+12816558900

Classic Fiberglass

classic-fiberglass.com
Sanger, TX

Based in Sanger, TX, Classic Fiberglass specializes in custom fiberglass parts and molds. The company provides comprehensive manufacturing services, including prototyping, design, molding, and precision finishing. Serving OEMs, small businesses, and individual clients, they create high-quality, durable fiberglass components for diverse applications.

chris@classic-fiberglass.com+19404580164

CMDT Manufacturing

cmdtmfg.com
Everman, TX

CMDT Manufacturing specializes in custom fiberglass manufacturing, mold making, and field services. Based in Everman, TX, the company provides expert fiberglass fabrication and repair solutions. They serve industrial and commercial clients, offering comprehensive services proudly made in the USA.

info@cmdtmfg.com+18555519004

Composites Universal Group

compositesuniversal.com
Warren, OR

Based in Warren, OR, Composites Universal Group specializes in advanced composites manufacturing services. With over 25 years of experience, they offer full-service capabilities including engineering, prototyping, tooling, and production for complex market-driven problems across industries like automotive, medical, and construction.

info@compun.com+15034105798

Creative Composites Group

creativecompositesgroup.com
—

Creative Composites Group offers extensive fiberglass manufacturing capabilities and expertise in Fiber Reinforced Polymer (FRP) composites. Their comprehensive services span design/build, manufacturing, and structural fabrication of highly-engineered composite systems. The company specializes in advancing infrastructure markets with tailored composite solutions.

vince.mcmorrow@fahlgren.com+18148394186

Diamond Fiberglass

diamondfiberglass.com
—

Diamond Fiberglass is an ASME RTP-1 certified fabricator based in Victoria, TX, specializing in designing and manufacturing Fiberglass Reinforced Plastic (FRP) vessels, piping systems, and tanks. They provide engineer-to-order solutions for corrosive environments, serving power, chemical, food processing, municipal, and water/wastewater industries.

info@diamondfiberglass.com+13615724040

DT Fiberglass

dtfiberglass.com
Sacramento, CA

Based in Sacramento, CA, DT Fiberglass specializes in high-quality, custom fiberglass manufacturing. They engineer durable and efficient OEM solutions for aquaculture, agriculture, and harvest hauling. The company also serves industrial, communications, water filtration, transportation, and restoration needs, providing comprehensive fiberglass products and services.

info@dtfiberglass.com+19163839012

Eco Pultrusions

ecopultrusions.com
Corona, CA

Based in Corona, CA, Eco Pultrusions manufactures and supplies pultruded fiberglass and customized FRP profiles. The company provides a variety of standard profiles and offers OEM services for glass fiber composites, tailored to client specifications. They also assist with design, engineering, and testing for pultrusion applications.

info@ecopultrusions.com+18888140115

Fiberglass Tank Solutions

fgtsolutions.com
Camdenton, MO

Based in Camdenton, MO, Fiberglass Tank Solutions manufactures standard and custom Fiberglass-Reinforced Plastic (FRP) tanks. They provide durable, corrosion-resistant liquid storage solutions, including underground water and petroleum tanks, for diverse industrial and municipal applications. FTS offers turnkey systems, piping, and anti-flotation solutions.

info@fgtsolutions.com+15733179620

Architectural Fiberglass, Inc.

fiberglass-afi.com
Cleveland, OH

Based in Cleveland, OH, Architectural Fiberglass, Inc. designs and manufactures custom decorative architectural fiberglass products. The company specializes in creating fiberglass columns, cornices, domes, cupolas, balustrades, and religious ornaments for restoration, reproduction, and new construction projects. They also offer fiberglass restoration services.

sales@fiberglass-afi.com+12166418300

Fiberglass Reinforced Plastic Duct Company

fiberglass-duct.com
Rock Island, IL

Based in Rock Island, IL, Fiberglass Reinforced Plastic Duct Company manufactures high-strength, lightweight FRP ducts and exhaust stacks. They offer corrosion-resistant solutions for industrial, water, wastewater, and commercial HVAC applications. Specializing in UnderDuct and Corrosion Composites, their systems feature a Class 1 flame rating for durability in harsh environments.

info@monoxivent.com+13097941000

Fiberglass Grating Systems

fiberglassgrating.com
—

Fiberglass Grating Systems provides custom fabrication and engineering solutions for Fiberglass Reinforced Polymer (FRP) products. With an in-house facility featuring precise waterjet cutting, the company manufactures industrial items like molded and pultruded FRP grating, structural shapes, handrail systems, and ladder systems.

sales@fiberglassgrating.com+15126863666

Fiberglass of Texas

fiberglassoftexas.com
Nacogdoches, TX

Based in Nacogdoches, TX, Fiberglass of Texas specializes in crafting top-quality fiberglass products. The company provides fiberglass repair services for motorhomes and marine vessels, alongside custom fiberglass fabrication. They aim to deliver quality service to customers across the United States for various applications.

contact@fiberglassoftexas.com+19365642640

Fibergrate Composite Structures

fibergrate.com
Stephenville, TX

Fibergrate Composite Structures manufactures fiberglass reinforced plastic (FRP) solutions for industrial and commercial use. They produce lightweight FRP grating, railing, and structural products designed for challenging environments. These durable products require less maintenance than traditional materials, providing long-lasting solutions for contractors and architects.

info@fibergrate.com+18005274043

Formed Fiberglass

formedfiberglass.com
—

Formed Fiberglass is a custom fiberglass manufacturer located in Fombell, PA, with over 50 years of experience. The company provides high-quality custom fiberglass components for diverse industries, including racing, automotive, architectural, transportation, water treatment, and various industrial applications.

mail2@formedfiberglass.com+17247522268

Forte Products

forteproducts.com
Kansas City, MO

Based in Kansas City, MO, Forte Products specializes in custom plastic and fiberglass molding. With over 50 years of experience, the company provides fiberglass, rotational, injection, and thermoform molding services. They serve diverse B2B industries, including marine, agriculture, and architectural lighting, delivering custom-engineered parts.

info@forteproducts.com+18167413000

G & G Fiberglass

ggfiberglass.com
Eldorado, TX

Based in Eldorado, TX, G & G Fiberglass specializes in custom fiberglass manufacturing. The company produces a wide range of fiberglass products, including their well-known Pot Belly deer blinds, and various sizes of fiberglass tanks and troughs.

doug@ggfiberglass.com+13256509559

Golden State Grating, Inc.

goldenstategrating.com
San Bernardino, CA

Based in San Bernardino, CA, Golden State Grating, Inc. is a family-owned business specializing in the manufacturing and fabrication of steel, aluminum, stainless, and fiberglass gratings. They also provide expanded/perforated metal, wire mesh, and safety grating, focusing on service and innovative solutions for industrial clients.

sales@goldenstategrating.com+19098542489

Grating Pacific

gratingpacific.com
Tolleson, AZ

Grating Pacific fabricates and supplies fiberglass, metal bar, and aluminum grating. Additionally, the company offers woven and welded wire mesh, perforated metal, and expanded metal solutions. With over 50 years of industry experience, Grating Pacific serves commercial and industrial clients throughout the Western United States.

sales@gratingpacific.com+18003214314

Hannemann FiberGlass INC

hannemannfiberglass.com
Azusa, CA

Hannemann FiberGlass INC, based in Azusa, CA, is a seasoned fiberglass manufacturing company with over 40 years of industry experience. They specialize in producing fiberglass products, serving various sectors. Their long-standing presence establishes them as a reliable provider in the fiberglass business.

jbrewer@hannemannfiberglass.com+16269697317

Holland Fiberglass & Restoration, LLC

hollandfiberglass.com
—

Holland Fiberglass & Restoration, LLC, based in Montoursville, PA, provides custom fiberglass fabrication, molding, repair, and restoration services. They offer painting for boat hulls, auto parts, RVs, motorcycles, golf carts, and architectural elements, serving marine, automotive, recreational vehicle, and theme park industries.

sales@hollandfiberglass.com+18134265961

Industrial Fiberglass Inc.

industrialfiberglass.com
Melrose Park, IL

Based in Melrose Park, IL, Industrial Fiberglass Inc. is a USA-made manufacturer of custom industrial fiberglass (FRP) products, including tanks, ductwork, containment, and covers, since 1969. They specialize in durable, corrosion-resistant solutions for agriculture, industrial, wastewater, municipal, and food & beverage markets.

info@industrialfiberglass.com+17086812707

Jefferson Fiberglass

jeffersonfiberglass.com
Harvey, LA

Based in Harvey, LA, Jefferson Fiberglass designs, builds, and repairs custom fiberglass products. Their offerings span battery boxes, cabinets, enclosures, grease traps, oil interceptors, and fish transport tanks. Serving commercial and household needs across marine, chemical, electrical, and oil and gas industries, they also provide comprehensive repair services.

jfg@jeffersonfiberglass.com+15043476612

Johns Manville

jm.com
Etowah, TN

Johns Manville manufactures engineered fiberglass products at facilities in the United States and Europe. Specializing in high-quality fiberglass materials like chopped strands and rovings, the company serves diverse industrial applications. Johns Manville operates its own facilities and workforce, providing direct fiberglass manufacturing solutions.

jmcorpcomm@jm.com+13039782000

KBK Industries, LLC

kbkindustries.com
The Woodlands, TX

KBK Industries specializes in manufacturing fiberglass underground water storage tanks for various industrial and commercial applications. These robust tanks are engineered to store diverse materials, including wastewater, oil, and liquid fertilizer, and are available in different capacities to meet specific client needs.

info@kbkindustries.com+17853724331

LF Manufacturing

lfm-frp.com
Giddings, TX

Based in Giddings, TX, LF Manufacturing produces fiberglass-reinforced polymer (FRP) structures and custom components. The company manufactures various tanks, vessels, and piping systems, serving oilfield, industrial, water/wastewater, agricultural, and OEM markets with durable FRP solutions.

wefssales@nov.com+18002375791

Liberty Pultrusions

libertypultrusions.com
—

Liberty Pultrusions is a U.S. manufacturer of engineered FRP pultrusions. The company specializes in fiberglass reinforced plastics, designing and producing custom pultruded products from its manufacturing facility. They provide quality, cost-effective solutions with precision and expertise for various industrial applications, leveraging over 50 years of experience.

sales@libertypultrusions.com+14124668611

Lonestar Fiberglass Components

lonestarcomponents.com
New Braunfels, TX

Based in New Braunfels, TX, Lonestar Fiberglass Components specializes in custom fiberglass and composite manufacturing. They provide services including custom fabrication, precision tooling, prototyping, and high-volume production. The company serves diverse industrial and commercial clients in sectors such as marine, automotive, industrial, and architectural.

emailinfo@lonestarcomponents.com+18308756900

Marco Specialty Steel

marcospecialtysteel.com
Houston, TX

Based in Houston, TX, Marco Specialty Steel provides custom metal and FRP (Fiberglass Reinforced Plastic) fabrication services. They offer in-house fabrication of various stock products to exact specifications, including industrial steel, metal products, wire cloth, catalyst support screens, and custom-cut safety grating for industrial projects.

sales@marcospecialtysteel.com+17136495310

Marlite

marlite.com
Santa Fe Springs, CA

Based in Santa Fe Springs, CA, Marlite manufactures Fiberglass Reinforced Plastic (FRP) panels. The company specializes in interior wall systems for commercial markets, offering various FRP finishes, trim options, and standard panel dimensions.

info@marlite.com+18003771221

MGM Plastics

mgmplastics.com
San Marcos, CA

Based in San Marcos, CA, MGM Plastics is a family-owned custom fabrication shop established in 1980. They provide expert fiberglass services, including fabrication and reinforcement, delivering tailored solutions. The company also offers plastic fabrication, machining, and welding for commercial and industrial clients across Southern California and Nevada.

scott@mgmplastics.com+17603349136

Molded Fiber Glass Co.

moldedfiberglass.com
Ashtabula, OH

Based in Ashtabula, OH, Molded Fiber Glass Co. specializes in custom molding Fiberglass Reinforced Plastic (FRP) composites. They utilize diverse processes including compression molding, RTM, pultrusion, and vacuum infusion. MFG serves industries like automotive, heavy truck, wind energy, and defense, providing engineered solutions for complex composite parts.

kbihary@moldedfiberglass.com+14409975851

Nationwide Tanks

nationwidetanks.com
Marion, SC

Based in Marion, SC, Nationwide Tanks manufactures underground fiberglass fuel tanks and UL 2447-approved sumps. They are the sole US manufacturer providing UL 1316 Third Edition compliant tanks, serving the underground fuel and water market, including the C-Store Industry.

info@nationwidetanks.com+18336620086

Old Town Fiberglass

oldtownfiberglass.com
Orange, CA

Old Town Fiberglass, based in Orange, CA, specializes in custom fiberglass manufacturing. The company offers tailor-made designs and colors, providing quick service and delivery for projects. It serves commercial clients, including landscape architects and site design studios, for various custom fiberglass applications.

info@oldtownfiberglass.com+17146333732

Pacific Aerospace Corp

pacificaerospacecorp.com
Stanton, CA

Pacific Aerospace Corp, based in Stanton, CA, specializes in manufacturing advanced composite components and assemblies. They provide precision machining, tooling, and assembly services, primarily for aerospace. The company is certified for aerospace parts made of carbon fiber and holds AS9100 and ITAR compliance.

sales@pacificaerospacecorp.com+17144628300

Painted Rhino

paintedrhino.com
Riverside, CA

Based in Riverside, CA, Painted Rhino is a custom fiberglass fabrication and composite parts manufacturing company. They specialize in bringing client visions to life from prototype to product, offering solutions for design and volume production across diverse markets, including aerospace, automotive, and entertainment.

sales@paintedrhino.com+19516565524

Performance Composites Inc.

performancecomposites.com
Compton, CA

Based in Compton, CA, Performance Composites Inc. manufactures engineered composite and fiberglass products. The ISO 9001:2015 certified company offers high quality, cost-effective fiberglass and composite parts, delivering value-engineered solutions. They serve large OEM customers as a strategic supplier, with experience in defense drone cases.

sales@performancecomposites.com+13103286661

PPE Tanks

ppetanks.com
Creedmoor, TX

Based in Creedmoor, TX, PPE Tanks engineers and builds custom FRP (Fiberglass Reinforced Plastic) and steel storage tanks, including fiberglass pressure vessels. They serve the water, wastewater, and chemical industries, holding ASME and API certifications. The company is a US SBA Certified Woman-Owned Small Business.

sales@ppetanks.com+15126014611

Precision Tank

precisiontank.com
Springfield, IL

Precision Tank manufactures fiberglass tanks for various industries. All tanks are proudly made in the United States at their Ligonier, Indiana facility, meeting high industry standards. They provide custom solutions for commercial and industrial clients, specializing in durable and reliable fiberglass products.

info@precisionbuild.com+12173919751

Reed Fiberglass Inc

reedfiberglass.com
Odessa, TX

Based in Odessa, TX, Reed Fiberglass Inc. specializes in custom fiberglass manufacturing for diverse industrial, oil & gas, agricultural, and commercial applications. They produce fiberglass tanks, custom parts, and offer repair and maintenance services, providing tailored solutions to meet specific client specifications.

support@dividia.net+18663484342

Rock West Composites

rockwestcomposites.com
West Jordan, UT

Based in West Jordan, UT, Rock West Composites specializes in engineering, developing, and manufacturing advanced composite structures. They provide high-performance solutions for aerospace, defense, and commercial industries, with expertise in radomes, structural panels, and complex components for demanding applications.

orderstatus@rockwestcomposites.com+18015663402

Seasafe

seasafe.com
Lafayette, LA

Based in Lafayette, LA, Seasafe manufactures molded and pultruded fiberglass reinforced plastic (FRP) products. Their offerings include grating, stair treads, cable trays, and structural shapes. They provide design, engineering, and custom fabrication services for industries such as oil and gas, chemical, and aquatic.

seasafe@amicoglobal.com+18003268842

Signature Enclosures Inc.

signature-enclosures.com
—

Signature Enclosures Inc. specializes in manufacturing custom and standard fiberglass enclosures for diverse industrial applications. They produce NEMA 4X and insulated enclosures designed for equipment protection and controlled atmospheres, serving chemical plants, refineries, water treatment, electrical systems, and mass transit sectors.

info@signature-enclosures.com+18004627126

Skuta Boats

skutaboats.com
La Marque, TX

Based in La Marque, TX, Skuta Boats specializes in the manufacturing of custom boats. The company also provides comprehensive fiberglass repair services, leveraging significant expertise in fiberglass fabrication and molding techniques for marine applications.

info@skutaboats.com+12818152090

Strongwell

strongwell.com
Bristol, VA

Based in Bristol, VA, Strongwell manufactures pultruded fiberglass and fiber-reinforced polymer (FRP) structural shapes and plates. The company specializes in advanced pultruded composites, offering a wide range of products for industrial and commercial applications through its North American facilities.

info@strongwell.com+12766458000

Swift Engineering

swiftengineering.com
San Clemente, CA

Based in San Clemente, CA, Swift Engineering is a specialist in advanced composite manufacturing, producing fiberglass and carbon fiber parts and tools. They provide comprehensive services from prototype to production for aerospace, defense, automotive, energy, and marine industries.

info@swiftengineering.com+19494926608

Tank Systems

tanksystems.com
Montgomery, TX

Based in Montgomery, TX, Tank Systems manufactures custom polyethylene and fiberglass tanks for diverse industrial and commercial applications. They produce vertical, horizontal, and specialty tanks, including fire water, chemical, underground, and FRP pressure vessels, serving industries since 1982.

gene@tanksystems.com+12818254000

Texas Superior Tanks LLC

texassuperiortanks.com
Beasley, TX

Based in Beasley, TX, Texas Superior Tanks LLC is a manufacturer specializing in fiberglass tanks. They provide a diverse range of products, including septic, water, chemical, and oil/gas storage tanks. The company also offers custom fiberglass solutions and fabrication services for industrial and commercial applications.

sales@texassuperiortanks.com+13617388265

United Fiberglass of America

unitedfiberglass.com
Springfield, OH

United Fiberglass of America, known as Creative Composites Group (CCG), manufactures highly-engineered Fiber Reinforced Polymer (FRP) composite systems. CCG offers comprehensive services for infrastructure and industrial applications, from design-build and manufacturing processes to structural fabrication and field support.

vince.mcmorrow@fahlgren.com+18148394186

VALTO Engineered Materials

valtoem.com
Somonauk, IL

Based in Somonauk, IL, VALTO Engineered Materials manufactures fiber-reinforced composite materials and fiberglass reinforced plastic (FRP) solutions. The company produces durable and decorative FRP wall panels, exterior sidewall panels for the RV industry, and liner panels for transportation and tough commercial environments.

sales@valtoem.com+18154678600

Waterdog Products Inc.

waterdogproducts.com
El Cajon, CA

Waterdog Products Inc. based in El Cajon, CA, is a fiberglass and acrylic tank manufacturer. Specializing in custom fabrication, design, and installation, their products include large-scale aquariums, transport tanks, and various custom fiberglass components. They serve global clients, producing high-quality merchandise using advanced technologies.

dee@waterdogproducts.com+16194419688

B&W Fiberglass

whychoosebw.com
Shelby, NC

Based in Shelby, NC, B&W Fiberglass manufactures high-quality fiberglass products with a focus on excellence and innovation. The company serves diverse industrial clients, aiming to improve business operations through reliable production and on-budget, timely delivery, ensuring a positive customer experience and return on investment.

sales@bwfiberglass.com+17044348005

W & W Fiberglass Tank Co.

wwtank.com
Pampa, TX

W & W Fiberglass Tank Co. based in Pampa, TX, manufactures fiberglass tanks and vessels. Established in 1978, the company utilizes filament winding technology to produce custom and stock tanks up to 1000 barrels, serving oil & gas, farm & ranch, chemical, and environmental industries.

info@wwtank.com+18008822776

XL Fiberglass, LLC.

xlfiberglass.com
Troy, TX

Based in Troy, TX, XL Fiberglass, LLC. manufactures and custom fabricates FRP (Fiberglass Reinforced Plastic) products. They provide tailored fiberglass solutions for the Water Management, Oilfield, and Chemical Processing industries. The company delivers high-quality products built to specific structural, temperature, and corrosive requirements.

chris@xlfiberglass.com+12547184048

Barrier Reef Fiberglass Pools LLC

brpoolsusa.com
—

Barrier Reef Fiberglass Pools LLC manufactures one-piece in-ground fiberglass swimming pools and spas. Since 1984, the company has utilized proven gel coats and vinyl ester resins to produce durable, high-quality pools, exceeding industry thickness standards. They distribute to installers across several U.S. states.

info@brpoolsusa.com

IntexForms, Inc.

intexforms.com
Sacramento, CA

Based in Sacramento, CA, IntexForms, Inc. manufactures lightweight, high-performance architectural products. The company specializes in Glass Fiber Reinforced Gypsum (GFRG), Glass Fiber Reinforced Cement (GFRC), and Stone-Tex Glass Fiber Reinforced Stone. They fabricate architectural elements like coffers and domes from their California facilities.

info@intexforms.com

Owens Corning

investor.owenscorning.com
Toledo, OH

Owens Corning is a global leader specializing in insulation, roofing, and composite solutions. The company manufactures various products, including high-performance glass reinforcements for industrial applications. Owens Corning serves a broad range of commercial and industrial B2B customers with its extensive fiberglass manufacturing capabilities.

investorrelations@owenscorning.com

National Manufacturing Group

nationalmanufacturing.group
Troy, MI

National Manufacturing Group is an OEM supplier specializing in custom molded fiberglass reinforced plastic (FRP) and thermoformed plastic components. With seven plants across five states, they utilize diverse FRP molding methods including LRTM, RTM, and compression. Services include prototyping, tooling, class A paint, and full assembly.

sales@nationalmanufacturing.group

Stabilit America

stabilitamerica.com
Fort Worth, TX

Based in Fort Worth, TX, Stabilit America manufactures and distributes high-quality fiberglass reinforced panels (FRP) for diverse applications. They produce a wide range of products such as exterior fiberglass panels, translucent roof panels, corrugated greenhouse panels, and polycarbonate wall panels, serving commercial and industrial clients.

john@doe.com

AAA Fiberglass Services

aaafiberglass.net
Oklahoma City, OK

Based in Oklahoma City, OK, AAA Fiberglass Services is a full-service fiberglass reinforced plastic (FRP) shop. They offer custom fiberglass fabrication, tooling, and repair, with both in-shop and field solutions. Services include fabricating pipes, tanks, and structures, alongside installation, sandblasting, and painting for diverse industrial clients.

+14053477219

Andronaco Industries

andronaco.com
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Andronaco Industries designs and manufactures high-performance specialty polymer and composite-engineered fluid management products. They specialize in innovative engineered fiberglass tanks and fiberglass composites, offering piping, fittings, valves, hoses, and vessels for demanding, corrosive environments.

+16165544600

Bedford Reinforced Plastics

bedfordreinforced.com
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Based in Bedford, PA, Bedford Reinforced Plastics manufactures fiberglass-reinforced polymer (FRP) products using an advanced pultrusion process. The company offers an extensive line of FRP products and comprehensive services, providing strong and durable solutions. They specialize in full-service FRP solutions for diverse industrial and commercial applications.

+18146238125

Composite Manufacturing, Inc.

cmtc.com
San Clemente, CA

Composite Manufacturing, Inc. specializes in producing custom composite components, including fiberglass, with a notable focus on the medical industry. The company offers manufacturing services for businesses requiring high-performance, precision parts tailored to their specifications and critical applications.

+13102633060

Composites USA, Inc.

compositesusa.com
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Based in North East, MD, Composites USA, Inc. is an FRP manufacturer specializing in tailored, corrosion-resistant composite equipment. They produce fiberglass tanks, ducts, pipes, vessels, and comprehensive systems for industrial applications like chemical storage. Products utilize polyester, vinyl ester, furan, and various dual laminate resins.

+14102872700

Re:Build Composite Resources

cr.rebuildmanufacturing.com
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Re:Build Composite Resources specializes in advanced composite manufacturing, employing autoclave, out-of-autoclave, and press molding. They provide precision-built composite solutions for commercial aerospace, military, space, medical, and automotive industries. Capabilities include project management, collaborative design, and build-to-print services for high-performance parts.

+18033669700

CSC, LLC

cscusa.biz
Canyon Lake, TX

CSC, LLC designs and fabricates custom fiberglass reinforced polymer (FRP) structures for demanding industrial and municipal applications. Specializing in corrosion-resistant, lightweight, and electrically insulating FRP solutions, they serve infrastructure leaders, water & wastewater treatment, and aquaculture industries across the United States.

+18306600484

Design Tanks

designtanks.com
Sioux Falls, SD

Based in Sioux Falls, SD, Design Tanks specializes in fiberglass tank manufacturing. With six decades of experience, they craft durable and reliable custom fiberglass tanks using modern design, engineering, and manufacturing processes. They serve diverse industrial and commercial clientele.

+16059651630

ECI

eci1usa.com
Tavares, FL

Based in Tavares, FL, ECI (now operating as EJ) designs, engineers, and fabricates custom Fiberglass Reinforced Plastic (FRP) products. The company supplies various stormwater market products and offers flexibility in materials, including fiberglass, aluminum, and steel. ECI also inventories and distributes FRP shapes nationwide.

+13523433449

Fiber-Tech Industries, Inc.

fiber-tech.net
Washington Court House, OH

Based in Washington Court House, OH, Fiber-Tech Industries, Inc. manufactures Fiberglass Reinforced Composite Panels. Established in 1983, the company serves the US, Canada, and Mexico, providing panel solutions for diverse markets. These include transportation, construction, corrosion, military, shelter, and marine industries.

+18008794377

Fiberglass Fabricators

fiberglassfabricators.com
Salt Lake City, UT

Fiberglass Fabricators, based in Salt Lake City, UT, specializes in fiberglass fabrication, a versatile manufacturing process. They shape and mold fiberglass materials to create various custom products, serving industrial and commercial clients with robust composite solutions for diverse applications.

+18002261134

Fiberglass Innovations

fiberglassinnovations.com
Rockford, IL

Based in Rockford, IL, Fiberglass Innovations is an American manufacturer specializing in pultruded fiberglass products. They provide custom profiles and resins, including various shapes like I-beams, tubes, and rods. Their offerings feature properties such as non-conductivity and high strength-to-weight ratios, suitable for diverse industrial applications.

+18159629338

Fiberglass Unlimited

fresnofiberglass.com
Madera, CA

Based in Madera, CA, Fiberglass Unlimited provides comprehensive fiberglass and gelcoat repair services for boats, RVs, and personal watercraft. The company also builds and fabricates new fiberglass agriculture tanks and offers custom fiberglass fabrication. They serve a wide range of clients throughout Central California.

+15592998826

Hydro Composites LLC

hydrocomposites.com
Stockdale, TX

Based in Stockdale, TX, Hydro Composites LLC specializes in custom fiberglass manufacturing and FRP fabrication. They offer comprehensive services including mold making, prototyping, and finishing for diverse industrial, commercial, and marine applications, serving sectors like oil & gas, agriculture, and water treatment.

+18309960020

Industrial Fiberglass Specialties

ifs-frp.com
Dayton, OH

Based in Dayton, OH, Industrial Fiberglass Specialties is a U.S.-based, family-owned manufacturer with over 40 years of experience. They provide fiberglass reinforced plastic (FRP) piping systems, including custom-engineered pipe, fittings, and flanges for demanding industrial and corrosive environments. Products meet applicable industry standards like AWWA and ASTM.

+19372229000

Industrial Plastic Systems

ips-frp.com
Lake Worth, FL

Based in Lake Worth, FL, Industrial Plastic Systems specializes in custom fabrication of Fiberglass Reinforced Plastic (FRP) and Dual Laminate equipment. They offer engineering, manufacturing, and field services for industrial FRP tanks, ducts, pipes, and vessels, catering to sectors like chemical processing and water/wastewater.

+18636468551

Kentec Composites

kenteccomposites.com
Crowley, LA

Based in Crowley, LA, Kentec Composites manufactures, designs, engineers, and fabricates standard and custom fiberglass (FRP) grating, handrails, ladders, and structural systems. They serve diverse sectors including petrochemical, construction, energy, food, and transportation industries from their ISO 9001 certified facilities.

+13375044045

Morrison Marine

morrison-marine.com
Sacramento, CA

Based in Sacramento, CA, Morrison Marine specializes in fiberglass and gelcoat repair services, including comprehensive dry rot repair with re-fiberglassing. The company also manufactures marine, industrial, and custom composite components, offering boat restoration and general fiberglass repair solutions.

+19166355424

OSCO Safety

oscosafety.com
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Based in Bedford, PA, OSCO Safety manufactures fiberglass-reinforced polymer (FRP) structural shapes and pre-engineered modular FRP structures. They provide a comprehensive range of safety and structural solutions, including the ReadySeries line of modular FRP structures, catering to industrial and commercial clients in the US.

+13049491381

Picon FRP

piconfrp.com
San Pablo, CA

Picon FRP, based in San Pablo, CA, manufactures and repairs industrial fiberglass (FRP) products, focusing on anti-corrosion applications. They design, fabricate, and provide field services including installation, relining, and maintenance. Serving Northern California, Picon FRP works with refineries, chemical companies, and wastewater treatment plants.

+15102320065

Sun Valley Fiberglass

sunvalleyfiberglass.com
Joshua, TX

Based in Joshua, TX, Sun Valley Fiberglass is a custom fiberglass manufacturer. The company specializes in custom fabrication, mold making, and prototyping. They serve industrial, commercial, architectural, and marine sectors, delivering high-quality, custom fiberglass solutions from concept to completion.

+18175172525

United Fiberglass Inc

ufitanks.com
Amarillo, TX

Based in Amarillo, TX, United Fiberglass Inc. specializes in manufacturing fiberglass water storage tanks, stock tanks, and custom fiberglass fabrication. They serve a range of industries, including agriculture, petroleum, environmental, and wind energy, providing durable and reliable solutions for various applications.

+18063352351

Western Fiberglass Inc.

westernfg.com
Eugene, OR

Based in Eugene, OR, Western Fiberglass Inc. specializes in high technology FRP (Fiberglass Reinforced Plastic) fabrication and custom fiberglass manufacturing. They provide engineering, design, and production services for industrial applications, including fluid handling systems for wastewater treatment, chemical processing, and oil & gas sectors.

+17075232050

Xerxes

xerxes.com
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Based in Williamsport, MD, Xerxes manufactures corrosion-resistant fiberglass tanks for fuel storage. Their products are compatible with various fuel types, including traditional petroleum and new biofuels, serving industrial and commercial needs.

+19528871890

Custom Fiberglass Works, Inc.

customfiberglassworks.com
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Custom Fiberglass Works, Inc. specializes in fiberglass manufacturing and repair services. They produce customized fiberglass molds, septic tanks, water tanks, and water guzzlers. The company also offers boat repair services. With over 30 years of experience, they provide reliable fiberglass solutions for various needs.

No contact on file

Imagine Pools

imaginepools.com
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Imagine Pools manufactures in-ground fiberglass swimming pools, distributed and installed by local dealers across the United States. With facilities in Kentucky and Georgia, the company produces a wide range of durable and high-quality fiberglass pools, serving the B2B market for residential applications.

No contact on file

Panolam Surface Systems

panolam.com
Shelton, CT

Based in Shelton, CT, Panolam Surface Systems manufactures Fiberglass Reinforced Plastic (FRP) panels for commercial and industrial applications. The company operates multiple US facilities, producing tough, scratch, stain, and chemical-resistant surfacing solutions. Panolam's FRP panels are engineered for demanding wall protection and high-use commercial settings.

No contact on file

Progressive Fiberglass Fabricators, Inc.

progressivefiberglassfabricators.com
Pearland, TX

Based in Pearland, TX, Progressive Fiberglass Fabricators, Inc. specializes in the custom design and manufacture of fiberglass products. They offer comprehensive fiberglass fabrication services, including repair, prototyping, and large-scale production. Serving diverse industrial, commercial, and marine sectors, they provide tailored solutions for various applications.

No contact on file

Qarbon Aerospace

qarbonaerospace.com
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Qarbon Aerospace manufactures composite components and assemblies for commercial and military aircraft. With facilities across the globe, this US-based company provides turnkey composite manufacturing solutions for structural and engine component needs, leveraging over a century of aerospace manufacturing experience.

No contact on file

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How to Choose a Company

  • Verify the supplier's specific molding process capabilities; a facility excelling at manual wet lay-up for large, low-volume parts may not have the process control or automation for consistent, high-volume production requiring resin infusion or Light RTM.
  • Assess their tooling expertise and ownership; suppliers who design and build their own molds in-house often offer faster iterations and better control over tooling lead times and quality, which is critical for complex geometries or tight surface finish requirements like Class A gel coat.
  • For applications requiring specific material properties or safety standards (e.g., fire retardancy for transportation, pressure ratings for tanks, or marine vessel integrity), require proof of compliance with relevant standards like ASTM D (specific test methods), UL 94 V-0, DNV GL, or ABS certification.
  • Scrutinize their quality control protocols beyond ISO 9001; inquire about their procedures for monitoring resin-to-fiber ratios, temperature and humidity control during cure cycles, and post-cure inspection methods to minimize voids, delamination, and warpage.
  • Beware of quotes that significantly undercut others without a clear explanation; a common red flag is an artificially low tooling cost that indicates substandard mold construction, leading to premature wear, frequent repairs, and inconsistent part quality over the production run.

Frequently Asked Questions

What is the typical tooling lead time for a fiberglass mold, and how does it impact project timelines?

Tooling lead times for fiberglass molds can range from 4-6 weeks for simple open molds to 12-20+ weeks for complex, multi-piece closed molds (like those for Light RTM or RTM) requiring extensive machining, polishing, and precise fitment. This initial phase is critical; poor tooling quality will plague your entire production, impacting part consistency, surface finish, and demolding efficiency. Factor this lead time into your project schedule explicitly, as it's often the longest upfront delay before actual part production begins.

How does the choice of resin system (e.g., polyester, vinyl ester, epoxy) impact cost and performance in fiberglass manufacturing?

The resin system significantly influences both cost and performance. Polyester resins are generally the most economical and widely used for general-purpose applications like boat hulls or decorative panels, offering good mechanical properties and weather resistance. Vinyl ester resins are more expensive but provide superior corrosion resistance, chemical resistance, and better heat distortion temperature, often chosen for tanks or chemical processing equipment. Epoxy resins are the highest performing and most costly, offering exceptional strength, stiffness, and adhesion, ideal for demanding aerospace or high-performance industrial components where strength-to-weight is paramount. Your application's environmental conditions and structural requirements will dictate the appropriate (and cost-effective) resin choice.

What's the difference between open molding and closed molding, and which is better for part consistency?

Open molding (e.g., hand lay-up, spray-up) involves exposing the laminate to the atmosphere during cure. It's cost-effective for large, low-volume parts but offers less control over part thickness, fiber-to-resin ratio, and emissions. Closed molding (e.g., resin infusion, Light RTM, pultrusion) cures the part within a sealed mold, resulting in superior part consistency, tighter tolerances, lower emissions, and often better mechanical properties. For high-volume production or parts requiring precise dimensions and excellent surface finish on both sides, closed molding is generally the better choice despite higher tooling costs.

When is it necessary to specify post-curing for fiberglass parts, and what does it achieve?

Post-curing involves heating a fiberglass part to an elevated temperature after initial demolding. It's crucial when your application demands the full mechanical properties or chemical resistance of the resin system. Most resins achieve about 80% of their properties at ambient cure; post-curing drives the chemical reaction to near completion, maximizing the resin's cross-linking. This process significantly improves hardness, strength, stiffness, heat distortion temperature, and chemical resistance. Always specify post-curing if your part will experience high temperatures, significant loads, or exposure to harsh chemicals in its end-use environment, even though it adds to production time and cost.

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