Are you in search of reliable sheet molding compound manufacturers to customize materials for your project? Look no further! In this guide, we will introduce the top manufacturers in the SMC market, hoping to help you find a suitable manufacturer.
List of Leading Sheet Molding Compound Manufacturers in the World 2025
The following are the main players in sheet molding compound manufacturers:
| Company Name | Headquarters |
| 1. Huayuan Advanced Materials Co., Ltd. | Ningbo, Zhejiang, China |
| 2. Romeo RIM | Romeo, Michigan, USA |
| 3. IDI Composites International | Noblesville, Indiana, USA |
| 4. R3 Composites | Grabill, Indiana, USA |
| 5. Toray Advanced Composites | Morgan Hill, California, USA |
| 6. Molding Products LLC | South Bend, Indiana, USA |
| 7. BLG Fiberglass Manufacturing | Toronto, Ontario, Cananda |
| 8. BFG International | Manama (Mina Salman), Bahrain |
| 9. Huntsman International LLC. | Texas, USA |
| 10. Hongda Inc | Changxing, Huzhou, Zhejiang, China |
1. Huayuan Advanced Materials Co., Ltd.
Company Profile:
Huayuan Advanced Materials Co., Ltd. (HAMC) is a China-based specialist in thermoset composite materials and finished parts, offering end-to-end capability from SMC/BMC material formulation to tooling and compression molding. HAMC has been working with industry equipment, electrical, telecom, automotive, train, fast transit, home appliance, and construction for over 26 years globally. The company is renowned for its R&D capabilities and has long-term partnerships with global brands like Siemens, GE, and Schneider. HAMC operates large R&D facilities and an integrated production campus to support custom formulations, tooling and high-volume molded components.
Established: 1994
Headquarters: Ningbo, Zhejiang,China
Website: https://www.hamlite.com/
Main Product:
- Sheet Molding Compound (SMC)
- Bulk Molding Compound (BMC)
- SMC/BMC molded parts (electrical insulators, enclosures, cabinets, rail components)
- SMC/BMC tooling and compression-molding services
2. Romeo RIM
Company Profile:
Romeo RIM is a U.S.-based composites and reaction-injection-molding (RIM) specialist that produces large, lightweight, high-strength thermoset parts for transportation, agricultural, heavy-truck, rail, spa and industrial markets. The company combines reaction injection molding, long-fiber injection (LFI), DCPD chemistry, in-mold painting and structural-foam capabilities to deliver class-A finishes and engineered, production-ready components for OEMs and tier suppliers.
Established: 1982
Headquarters: Romeo, Michigan, USA
Website: https://romeorim.com/
Main Products:
- Reaction Injection Molding (RIM) parts
- Long Fiber Injection (LFI) components
- Sheet Molding Compound (SMC) and other thermoset composite panels
- DCPD-based composite parts
3. IDI Composites International
Company Profile:
IDI Composites International is a global formulator and manufacturer of thermoset molding compounds and engineered composite materials, specializing in custom Sheet Molding Compound (SMC) and Bulk Molding Compound (BMC) formulations for OEMs, Tier-1 suppliers and custom molders. The company supports applications across transportation, electrical, construction, appliance and industrial markets and operates R&D and manufacturing centers that enable rapid material development, high-volume production and global technology transfer.
Established: 1966
Headquarters: Noblesville, Indiana, USA
Website: https://idicomposites.com/
Main Product:
- Custom Sheet Molding Compound (SMC)
- Bulk Molding Compound (BMC)
- Specialty thermoset compounds (flame-resistant, high-glass, lightweight/carbon-fiber-reinforced)
4. R3 Composites
Company Profile:
R3 Composites is a family-owned U.S. custom compression molder and compounder specializing in large-format Sheet Molding Compound (SMC) manufacturing and compression-molded thermoset and thermoplastic components. The company provides in-house design and engineering, part conversion, prototyping and high-volume production for markets including automotive, heavy truck, RV, bath-ware, building, electrical enclosures, agricultural and defense/aerospace. R3 also expanded into non-woven materials through a subsidiary to broaden its material offerings.
Established: 2001
Headquarters: Grabill, Indiana, USA
Website: https://www.r3composites.com/
Main Products:
- Sheet Molding Compound (SMC) and compression-molded parts
- Bulk Molding Compound (BMC) and GMT compounds
- Large-format composite panels and assemblies (automotive/truck panels, bath-ware, enclosure and industrial components)
5. Toray Advanced Composites
Company Profile:
Toray Advanced Composites (formerly TenCate Advanced Composites) is a global supplier of advanced thermoset and thermoplastic composite materials and engineered composite parts. The company develops and manufactures prepregs, composite laminates, tooling materials, syntactic foams, adhesives, bulk/ sheet molding compounds and compression-molded parts for aerospace, space/satellite, defense, automotive and industrial markets. Toray Advanced Composites combines materials R&D with high-volume manufacturing and global service centers to support OEMs and Tier suppliers.
Established: 1972
Headquarters: Morgan Hill, California, USA
Website: https://www.toraytac.com/
Main Product:
- Thermoset and thermoplastic prepregs and laminates
- Compression-moldable systems and molded parts
- Tooling materials and composite tooling solutions
- Syntactic foams and film adhesives
- Bulk and sheet molding compounds (BMC/SMC)
6. Molding Products LLC
Company Profile:
Molding Products LLC is a South Bend, Indiana–based manufacturer and supplier of engineered thermoset molding compounds, best known for its custom-formulated Sheet Molding Compound (SMC). The company serves compression-molding customers across transportation, infrastructure, building & construction, consumer and industrial markets, offering molded-in-color SMC, formulation development, technical support and scale-up from R&D to high-volume production. The profile emphasizes Molding Products’ focus on tailored SMC solutions and application support for OEMs and contract molders.
Established: 1978
Headquarters: South Bend, Indiana, USA
Website: https://www.molding-products.com/
Main Products:
- Sheet Molding Compound (SMC)
- Bulk Molding Compound (BMC)
- Custom thermoset molding compounds and colorants
- Technical services for compression molding and material development
7. BLG Fiberglass Manufacturing
Company Profile:
BLG Fiberglass Manufacturing is a Canadian-based composites supplier and contract manufacturer that produces fiberglass and compound products for automotive, marine, medical, energy and wind-turbine markets. The company offers a range of manufacturing processes — including hand lay-up, resin transfer molding (RTM), vacuum forming and Sheet Molding Compound (SMC) production — and positions itself to support projects from prototyping through high-volume supply. BLG emphasizes large-scale production capacity and an international footprint to serve customers in North America, China and other markets.
Established: 2000
Headquarters: Toronto, Ontario, Cananda
Website: https://blgfiberglass.com/
Service:
- Fiberglass components and composite parts produced by Hand Lay-Up, Resin Transfer Molding (RTM), Vacuum Forming and Sheet Molding Compound (SMC)
- Custom fiberglass assemblies for automotive, marine, medical, oil & energy and wind-turbine applications.
8. BFG International
Company Profile:
BFG International is a global composites designer and manufacturer with a 40-plus-year track record supplying advanced FRP and SMC solutions for rolling stock, buses, architecture, water parks, wind energy and industrial markets. The company offers end-to-end capability from composite design and tooling to large-format fabrication and high-volume press/press-moulding (SMC/RTM) production, and maintains an international manufacturing footprint serving OEMs worldwide.
Established: 1975
Headquarters: Manama (Mina Salman), Bahrain
Website: https://www.bfginternational.com/
Product:
- Sheet Moulding Compound (SMC) and SMC-formed parts
- Fiberglass/FRP composite panels and large-format molded components
- Press-moulded and RTM parts
- Architectural façades and claddings
- Rail and bus interiors/front-ends
- Water-park FRP structures
- Wind-turbine nacelles and spinner covers
9. Huntsman International LLC.
Company Profile:
Huntsman International LLC is the U.S.-registered operating entity of Huntsman Corporation, a global specialty-chemicals group that develops and supplies advanced materials for transportation, aerospace, construction, coatings & adhesives, electronics and industrial markets. Huntsman’s Advanced Materials and Polyurethanes divisions provide composite resin systems, adhesives, polyurethanes, amines, maleic anhydride and related formulation products used by OEMs and Tier suppliers to reduce weight, improve durability and meet demanding engineering specifications. Huntsman combines global R&D, large-scale manufacturing and localized formulation sites to support high-volume production and application-specific technical service.
Established: 1970
Headquarters: Texas, USA
Website: https://www.huntsman-transportation.com/
Service:
- Composite resin systems
- Polyurethane raw materials and formulated systems
- Amines, maleic anhydride and specialty performance chemicals
10. Changxing Hongda Road Facilities Co., Ltd.
Company Profile:
Changxing Hongda Road Facilities Co., Ltd. is a China-based manufacturer specializing in composite municipal and infrastructure products, best known for composite (SMC/BMC) manhole covers, grating and related roadway/drainage fittings. The company manufactures SMC sheets and finished SMC/BMC components for municipal, construction and utility applications, offering product ranges that include composite manhole covers, phenolic/laminate sheets, PVC guardrail and drainage grates. Changxing Hongda positions itself as a turnkey supplier for infrastructure projects that require lightweight, corrosion-resistant alternatives to cast iron and concrete.
Established: 2013
Headquarters: Changxing, Huzhou, Zhejiang, China
Website: https://www.smchinacover.com/
Main Products:
- Composite/manhole covers (SMC composite manhole covers)
- SMC sheets and phenolic laminates
- BMC/DMC drainage grating and trench covers
- PVC guardrail
- Drainage ditch components and related road-furniture manufactured from SMC/BMC and fiberglass systems
How to Choose Suitable Sheet Molding Compound Manufacturers?
Choosing the right sheet molding compound manufacturer is crucial for the success of your project. When evaluating potential SMC manufacturers, consider factors such as:
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Experience and Expertise: Ensure the manufacturer has a proven track record in delivering high-quality SMC compounds and SMC services tailored to your industry needs.
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Product Customization: Opt for manufacturers that offer custom SMC solutions to meet the specific demands of your project, whether it’s for automotive, aerospace, or construction applications.
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Production Capacity and Flexibility: Choose manufacturers with the ability to scale production according to your project size and deadlines.
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Cost-Effectiveness: Find SMC manufacturers that provide high-quality products at competitive prices, while ensuring timely delivery and reliable after-sales service.
The SMC market is evolving rapidly, with advancements in SMC materials and technologies, such as the use of carbon fiber and hybrid composites. As a result, it’s important to partner with SMC manufacturers who are committed to innovation and can provide comprehensive SMC services that align with industry trends.
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