Each National Composite Location has been Deemed Essential Because YOU ARE ESSENTIAL!

Rest assured, we've taken all the steps necessary to ensure minimum impact from COVID-19 in each of our locations. As in the past, we continue our dedication to providing Small Plant Focus, Big Company Resources necessary to fulfill each of our customer's demands'.

MPI (Molded Plastics Industries)

Molded Plastics Industries (MPI) opened its doors in 1974, as a manufacturer of fiberglass reinforced products. It has since added a second building producing vacuum and thermoformed products. The core markets MPI serves are electric and specialty vehicle, and medical, currently producing a variety of interior and exterior panels and components. MPI has a very experienced group dedicated to value‐added component installation and assembly.
Iso Certification


  • 60,000 sq ft of Manufacturing Space
  • LCM Molding – Liquid Compression Molding
  • LRTM Molding – Light Resin Transfer Molding
  • CCBM Molding – Closed Cavity Bag Molding
  • RTM Molding – Resin Transfer Molding
  • Thermoforming / Vacuum Forming
  • Vinyl Wrapping
  • Fiberglass 6 Hydraulic Presses with platen sizes ranging from 3’ x 4’ to 7’ x 12’ with pressures of 50 to 500 tons
  • Rotating Table Waterjet Station with a work envelope of 7’ (x-axis) x 5’ (y-axis) x 5’ (z-axis)
  • CNC Router with 5’ x 5’ shuttle tables or 5’ x 10’ combined table configuration with a z-axis of 3’
  • 1 Cross Flow Paint Booth
  • Drying/Post Mold Bake Ovens – 1 – 10.5’ x 20’ and 1 – 6’ x 10’
  • In-line Vacuum Formers ranging in size from 5’ x 7’ to 6’ x 9’ with 24 to 42 inch draw capability
  • FARO Scanning and Touch Probe Inspection

We look forward to hearing from you and helping to bring your next project to life.

Address: 2382 Jarco Drive, Holt, Michigan 48842

Phone: 517-694-7434

Sales: sales@nationalcomposites.com