Key Industries

Injection molding Solutions for Diverse Industries

At Four Process, is a precision plastic injection molder supporting customers from concept through prototype, production, and inventory management across a range of industries—from industrial and heavy equipment to energy and medical components. We combine quality, reliable delivery, and clear communications to deliver cost-effective, high-performance plastic parts and assemblies. At our new, modern facility based in St. Louis, Missouri, we provide comprehensive services including, insert molding, over molding, hot and cold runner systems, sonic welding, adhesive and solvent bonding, testing, and tooling support