National Composites multiple locations allows us to serve and specialize in specific market segments. Our experienced team has the industry knowledge and expertise to ensure your goals are executed and exceeded.

2019 National Composites Marine

Marine and Recreation

National Composites marine and recreation division has been supplying the nation’s top pontoon and boat manufacturers for years. Utilizing open and closed molding methods we produce helm stands, center consoles, seat bases, table/bar tops, doors, and more. With a deep understanding of the high part quality expectations and the constantly adapting colors and styles, our team are marine experts, specializing in the latest trends of poly flake and metallics gel coats, as well as complex multi gated molds. Our marine division also has a dedicated secondary component assembly group very experienced in the assembly of helm stands and center consoles.

Marine and Recreation production is located in one of our Owosso Michigan plants, Great Lakes Composites.

Hospitality Door


National Composites is currently producing a wide array of products including, walk-in bathtubs, restaurant booths, residential/office furniture, door skins, and more. Our team has years of experience in the market with a deep understanding of the cosmetic and structural needs. 

Hospitality production is located in one of our Owosso Michigan plants, Great Lakes Composite.

Electric And Specialty Vehicle 2x

Electric and Specialty Vehicle

Since 1974 we have been working with some of the top innovators in the market. We have a deep understanding of the market’s quality and tolerance expectations. Typically using closed molding methods and thermoforming, we have experience creating a multitude of vehicle parts. For many of our customers we provide “plug and play” assemblies, installing electrical components, lighting, heat shielding, and sound suppression components. We are currently serving a variety of customers within the market supplying both interior and exterior components. From fire truck and bus to military and automotive, we have the capabilities to meet our customs needs.

Automotive and Specialty Vehicle production takes place in our Holt Michigan plant, MPI. 

2020 Molded Plastics Inc Facebook 0137


Our medical division is producing parts for some of the household names in the medical industry. Typically using the closed molding process, we are producing a variety of parts for the medical industry, including a variety of exterior panels and housings, as well as medical table components.

Medical production takes place in our Holt Michigan plant, MPI.

Sunrise Fiberglass Crane Cabs

Heavy Equipment

Our team has decades of experience in the heavy equipment market producing interior and exterior panels. Utilizing both open and closed molding capabilities we are building parts for some of the leaders in the heavy equipment market. We are currently building parts for cranes, skid-steers, paving equipment, mining equipment, trains, and more. Our engineering department has a deep understanding of the unique structural requirements needed for the heavy equipment industry. 

Heavy Equipment production takes place at our Wyoming MN plant, Sunrise Fiberglass.

Prototype Milling Machine

Prototype, Pattern, and Tooling

Our tooling division’s key members have over 100 years of combined experience. Some of the world’s leading companies’ ideas are brought to life through our tooling plant. We are working with a multitude of different industry leaders as well as other plastic FRP and composite suppliers around the country. Our capabilities include prototype and production gauges, fixtures, pattern cutting, and tooling.

Our tooling production takes place at our second Owosso location, Excel Pattern and Tool. 

Other Markets Tanks

Other Markets

National Composites is focused on providing total program management solutions as we grow and expand into other markets. The leaders of our multiple production plants have decades of experience in composites serving multiple different markets. Some of the other markets currently being served include.

  • Agriculture
  • Transportation
  • Tanks
  • Corrosion Protection
  • Infrastructure
  • Water Treatment
  • Mass Transit

For more information on the various markets we serve please contact our sales team located in our Troy Michigan headquarters.