Primex

Plastics ManufacturingIndiana, United States501-1000 Employees

Primex is a plastics manufacturer based in Richmond, Indiana, founded in 1965. It focuses on extruded plastics and operates through three divisions—custom sheet extrusion, colorants and additives, and design and fabrication. The company maintains eight facilities across the United States and provides services ranging from custom sheet extrusion to coloring, compounds, additives, and fabrication.

Its customer base spans industries such as food, medical, cosmetics, industrial, construction, housewares, automotive, packaging, toys, and horticulture, addressing varied material and fabrication needs. In 2025, Primex introduced Prime Sulapac sheets, produced from a bio-based material and positioned as a safer, more sustainable alternative to conventional plastics.

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