Views: 0 Author: Site Editor Publish Time: 2026-07-21 Origin: Site
The United States remains one of the world's leading producers and consumers of fiberglass products. From construction and transportation to wind energy, marine, aerospace, and electrical insulation, fiberglass plays a critical role in modern manufacturing. Thanks to its lightweight properties, corrosion resistance, high strength-to-weight ratio, and excellent electrical insulation, fiberglass continues to replace traditional materials such as steel, aluminum, and wood across numerous industries.
As demand for composite materials grows in 2026, selecting the right fiberglass manufacturer has become increasingly important. Whether you're sourcing fiberglass fabrics, chopped strand mats, woven rovings, fiberglass insulation, pultruded profiles, or custom composite solutions, working with a reliable supplier can significantly improve product quality, manufacturing efficiency, and overall project success.
This guide highlights the Top 20 Fiberglass Manufacturers and Suppliers in the USA for 2026, based on product portfolio, manufacturing capabilities, industry reputation, innovation, and market presence.
Table of Contents
The manufacturers listed below were evaluated based on several key factors:
· Manufacturing capacity
· Product quality and certifications
· Industry experience
· Innovation in composite materials
· Product diversity
· Technical support
· Global distribution network
· Customer reputation
Whether you're an OEM, distributor, boat builder, wind blade manufacturer, automotive supplier, or composite fabricator, these companies represent some of the best fiberglass suppliers in North America.
Founded in 1938, Owens Corning is widely recognized as one of the world's largest fiberglass manufacturers. Headquartered in Toledo, Ohio, the company operates numerous production facilities across the United States and internationally.
Owens Corning manufactures an extensive range of fiberglass reinforcements including chopped strands, continuous rovings, woven fabrics, multi-end rovings, direct rovings, and specialty glass fibers. Their materials are widely used in wind turbine blades, automotive components, infrastructure, marine vessels, construction materials, and industrial equipment.
The company invests heavily in sustainability and advanced glass technologies, making it a preferred supplier for manufacturers seeking high-performance reinforcement materials.
Main Products
· Fiberglass Roving
· Chopped Strands
· Woven Fabrics
· Multi-End Roving
· Specialty Glass Fibers
Industries Served
· Wind Energy
· Marine
· Automotive
· Construction
· Industrial Composites
PPG Industries has been a major player in fiberglass production for decades. Although widely known for coatings and specialty materials, the company also manufactures high-performance glass fibers for demanding industrial applications.
PPG's fiberglass products are engineered for exceptional strength, corrosion resistance, and durability. They are commonly found in transportation, aerospace, electrical insulation, oil & gas, and advanced composite applications.
The company's strong focus on research and development has helped introduce numerous innovative glass fiber technologies to the composites industry.
Main Products
· Continuous Glass Fiber
· Reinforcement Fiberglass
· Specialty Glass
· Composite Materials
Johns Manville is one of America's most respected manufacturers of fiberglass insulation and engineered materials. With over 160 years of manufacturing experience, the company supplies products for residential, commercial, and industrial markets.
Beyond insulation, Johns Manville produces engineered fiberglass mats, filtration media, roofing materials, and specialty reinforcement products used in composite manufacturing.
Their advanced nonwoven fiberglass technologies are widely adopted in battery separators, filtration systems, waterproof membranes, and construction materials.
Key Products
· Fiberglass Mats
· Glass Fiber Veils
· Roofing Reinforcements
· Filtration Media
· Insulation Products
Located in South Carolina, AGY is a global supplier specializing in high-performance E-glass and S-2 glass fibers.
Unlike commodity fiberglass manufacturers, AGY focuses on engineered reinforcement materials for aerospace, defense, electronics, telecommunications, sporting goods, and advanced industrial applications.
Their proprietary glass formulations offer excellent tensile strength, electrical insulation, and thermal stability, making AGY a preferred supplier for premium composite manufacturers.
Main Products
· S-2 Glass Fiber
· E-Glass Fiber
· Specialty Yarns
· Electronic Glass Fiber
As the U.S. subsidiary of Japan's Nippon Electric Glass Group, this company manufactures high-quality fiberglass reinforcements serving North American composite manufacturers.
Their products are widely used in automotive lightweighting, printed circuit boards, electronic insulation, industrial composites, and renewable energy applications.
The company is recognized for maintaining strict quality standards and advanced production technologies.
Main Products
· Glass Fiber Yarns
· Electronic Glass Cloth
· Fiberglass Reinforcements
· Composite Glass Fibers
Established in 1941, BGF Industries is one of America's oldest fiberglass fabric manufacturers.
Headquartered in North Carolina, BGF specializes in weaving fiberglass fabrics for aerospace, marine, defense, filtration, and industrial composite applications.
Their manufacturing capabilities include woven fiberglass cloth, coated fabrics, specialty textiles, and engineered reinforcement materials.
BGF is particularly well known for producing precision woven fabrics used in demanding composite structures.
Key Products
· Woven Fiberglass Cloth
· Fiberglass Fabric
· Coated Fiberglass Fabric
· Specialty Textile Reinforcements
JPS Composite Materials manufactures high-performance fiberglass fabrics and engineered textiles for advanced composites.
Their products serve aerospace, ballistic protection, marine, transportation, and industrial sectors.
JPS offers a broad selection of woven fiberglass, hybrid fabrics, aramid composites, and specialty reinforcement materials.
The company is particularly recognized for custom-engineered fabric solutions that meet demanding mechanical performance requirements.
AOC is one of North America's leading suppliers of resin systems and composite materials.
Although primarily known for polyester and vinyl ester resins, AOC also provides integrated fiberglass reinforcement solutions for composite manufacturers.
Their products support industries including transportation, infrastructure, marine, cultured stone, and construction.
AOC's technical service team works closely with customers to optimize resin and fiberglass compatibility, improving manufacturing efficiency and finished product performance.
Strongwell is the leading pultrusion manufacturer in the United States.
The company produces fiberglass reinforced polymer (FRP) structural profiles used in bridges, industrial platforms, cooling towers, offshore facilities, wastewater treatment plants, and chemical processing industries.
Strongwell has pioneered pultrusion technology for decades, offering lightweight, corrosion-resistant alternatives to steel and aluminum.
Their structural fiberglass products are widely specified for infrastructure projects requiring long-term durability and minimal maintenance.
Creative Composites Group specializes in advanced composite infrastructure solutions.
Its fiberglass products are widely used in transportation, electrical utilities, industrial facilities, and public infrastructure projects.
The company manufactures FRP bridges, utility structures, architectural components, pedestrian walkways, and custom composite systems designed to withstand harsh environments while reducing maintenance costs.
Fibergrate Composite Structures is a leading manufacturer of fiberglass reinforced plastic (FRP) products, serving industrial and commercial markets throughout North America. With decades of experience in composite engineering, the company is recognized for producing high-quality molded and pultruded FRP solutions.
Fibergrate's products are widely used in chemical processing plants, wastewater treatment facilities, offshore platforms, food processing plants, and infrastructure projects where corrosion resistance is essential.
Main Products
· FRP Grating
· Structural Shapes
· Handrails
· Stair Systems
· Work Platforms
Industries Served
· Chemical Processing
· Water Treatment
· Offshore
· Food & Beverage
· Infrastructure
Founded in the early 20th century, Haysite Reinforced Plastics has established itself as a specialist in thermoset composite materials and fiberglass laminates.
The company manufactures engineered fiberglass components for transportation, aerospace, industrial machinery, electrical equipment, and defense applications. Haysite's expertise in molding technologies enables customers to achieve lightweight yet durable solutions for demanding environments.
Their engineering support and custom manufacturing capabilities make them a preferred partner for OEM projects.
McClarin Composites is a custom composite manufacturer specializing in large fiberglass molded parts. Using technologies such as RTM, vacuum infusion, compression molding, and hand lay-up, the company produces complex composite structures for various industries.
Their products are commonly found in heavy trucks, buses, agricultural equipment, medical devices, construction machinery, and recreational vehicles.
McClarin is known for helping customers transition from metal components to lightweight composite alternatives.
Composites One is one of the largest composite material distributors in North America. Although it is not a fiberglass manufacturer itself, it plays a critical role in the supply chain by offering products from leading global fiberglass producers.
The company provides fiberglass reinforcements, resins, core materials, gel coats, adhesives, vacuum infusion consumables, and technical support through an extensive distribution network.
For manufacturers seeking one-stop composite material sourcing, Composites One is among the industry's most trusted suppliers.
Main Products
· Fiberglass Reinforcements
· Polyester Resins
· Vinyl Ester Resins
· Core Materials
· Composite Consumables
U.S. Composites supplies fiberglass materials for small manufacturers, repair shops, educational institutions, and hobbyists.
Its product portfolio includes fiberglass cloth, chopped strand mat, woven roving, carbon fiber fabrics, epoxy resins, polyester resins, and composite accessories.
Because of its competitive pricing and broad inventory, U.S. Composites has become a popular source for low-volume purchases and prototype projects.
Fibreglast is a well-known supplier of composite materials, tools, and manufacturing equipment. The company offers thousands of products covering nearly every composite manufacturing process.
Customers can source fiberglass fabrics, carbon fiber fabrics, Kevlar fabrics, epoxy systems, vacuum bagging materials, tooling supplies, and educational resources from a single supplier.
Fibreglast is especially valued for its technical documentation and training materials that help customers improve manufacturing efficiency.
Rock West Composites specializes in advanced composite materials, including fiberglass, carbon fiber, and hybrid composite products.
The company provides standard and custom-engineered solutions for aerospace, robotics, defense, medical equipment, motorsports, and industrial automation.
Its engineering capabilities allow customers to develop lightweight structural components with exceptional mechanical performance.
Composite Envisions manufactures and distributes fiberglass fabrics, carbon fiber fabrics, aramid fabrics, hybrid fabrics, prepregs, and specialty reinforcement materials.
Serving both industrial customers and research institutions, the company emphasizes rapid delivery, custom cutting services, and technical assistance.
Its extensive product range makes Composite Envisions a convenient source for prototype development and small-to-medium production runs.
Advanced Fiber Products focuses on engineered fiberglass solutions designed for industrial filtration, thermal insulation, electrical insulation, and specialty composite applications.
The company supplies customized fiberglass products that meet demanding requirements for heat resistance, dimensional stability, and long-term durability.
Its engineering team collaborates closely with customers to develop application-specific reinforcement materials.
Norplex-Micarta is a leading manufacturer of high-performance thermoset composite laminates and electrical insulation materials.
Its fiberglass-reinforced laminate products are widely used in electrical equipment, transformers, power generation, industrial machinery, and transportation.
With decades of manufacturing experience and strict quality control, Norplex-Micarta continues to be a trusted supplier for engineered composite solutions requiring excellent electrical and mechanical properties.
Company | Main Products | Key Industries |
Owens Corning | Glass Fiber Reinforcements | Wind Energy, Construction |
PPG Industries | Specialty Glass Fiber | Aerospace, Automotive |
Johns Manville | Fiberglass Mats & Insulation | Construction |
AGY | S-2 Glass Fiber | Aerospace, Defense |
Nippon Electric Glass America | Electronic Glass Fiber | Electronics |
BGF Industries | Woven Fiberglass Fabrics | Aerospace, Marine |
JPS Composite Materials | Technical Fabrics | Industrial Composites |
AOC | Composite Systems | Transportation |
Strongwell | Pultruded FRP Profiles | Infrastructure |
Creative Composites Group | FRP Structures | Civil Engineering |
Fibergrate | FRP Grating | Chemical Processing |
Haysite | Molded Composites | Transportation |
McClarin | Custom Composite Parts | Heavy Equipment |
Composites One | Composite Distribution | All Composite Industries |
U.S. Composites | Fiberglass Supplies | General Manufacturing |
Fibreglast | Composite Materials | Fabrication |
Rock West Composites | Advanced Composites | Aerospace |
Composite Envisions | Reinforcement Fabrics | Research & Industry |
Advanced Fiber Products | Specialty Fiberglass | Industrial |
Norplex-Micarta | Composite Laminates | Electrical Industry |
Selecting the right fiberglass supplier involves more than comparing prices. Businesses should consider manufacturing capability, product consistency, quality certifications, technical support, logistics, and long-term supply stability.
Important evaluation factors include:
· Product quality and consistency
· ISO-certified manufacturing systems
· Available fiberglass product range
· Engineering and technical support
· Customization capabilities
· Production capacity
· Global shipping experience
· Lead time and inventory availability
· Competitive pricing
· Customer service and after-sales support
For OEM manufacturers, partnering with a supplier capable of providing both standard products and customized solutions can significantly reduce production costs and improve product performance.
While the United States is home to many outstanding fiberglass manufacturers, China has become one of the world's largest producers of fiberglass reinforcements and composite materials. Many international buyers choose Chinese suppliers to complement their sourcing strategy because of:
· Large-scale manufacturing capacity
· Competitive pricing
· Broad product portfolios
· Flexible OEM and private-label services
· Fast production lead times
· Mature export experience
· Continuous investment in manufacturing technology
Many Chinese manufacturers now supply products that comply with international quality standards, making them reliable partners for distributors, OEMs, and composite fabricators worldwide.
Owens Corning is widely recognized as one of the largest fiberglass manufacturers in the United States and a global leader in glass fiber reinforcements and insulation materials.
Fiberglass is commonly used in construction, transportation, marine, wind energy, aerospace, electrical insulation, infrastructure, chemical processing, and consumer products.
Common fiberglass products include fiberglass cloth, woven roving, chopped strand mat, direct roving, assembled roving, fiberglass yarn, chopped strands, surface tissue, roofing mats, and engineered reinforcement fabrics.
Fiberglass is lightweight, durable, and helps reduce energy consumption in transportation and construction. Many manufacturers are also investing in recyclable materials and lower-carbon production processes.
Yes. Many U.S. manufacturers and distributors export fiberglass products globally through authorized distributors, international sales offices, or direct export programs.
While U.S. manufacturers are known for premium quality and innovation, many global buyers also source fiberglass reinforcements from experienced Chinese manufacturers to optimize cost, lead time, and supply flexibility.
JLON Composite is a professional manufacturer and exporter of fiberglass reinforcement materials, carbon fiber, core materials, and composite consumables. With years of export experience and customers in more than 100 countries, JLON supplies:
Fiberglass fabrics
Chopped Strand Mat
Woven Roving
Fiberglass Veils & Tissue
Carbon Fiber Fabrics
PVC/PET/PMI Foam Core
Vacuum Infusion Materials
Why choose JLON?
ISO-certified manufacturing
OEM & customized solutions
Competitive factory pricing
Fast global delivery
Technical support from composite experts
Request a quotation or free sample today to discuss your project.
The U.S. fiberglass industry continues to lead the world in innovation, product quality, and advanced composite manufacturing. From global giants such as Owens Corning and Johns Manville to specialized manufacturers like AGY, Strongwell, and Fibergrate, buyers have access to a diverse range of fiberglass products tailored to virtually every application.
Whether your business operates in wind energy, marine, transportation, construction, aerospace, or industrial manufacturing, selecting the right supplier can improve product performance, reduce production costs, and strengthen your supply chain.
As the global composites market continues to expand in 2026, companies that combine reliable sourcing with technical expertise will be best positioned to meet the growing demand for high-performance fiberglass solutions.
