901 Geneva Parkway N

Lake Geneva, WI 53147 USA


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Custom Products


Custom Parts Injection Molded by Plasti-Coil

About Plasti-coil

Plasti-coil has been a leading provider of injection molded plastic parts and component assemblies for almost 40 years. We are a privately held company and positioned for growth. Our 40,000 square foot manufacturing plant is centrally located in Lake Geneva, Wisconsin.

Whether you need material recommendations, conceptual assistance, production, precision tool building, or assembly, Plasti-Coil has the solutions to satisfy all of your plastic injection molding needs. When it comes to high-temperature and tight-tolerance molding, we are simply the best!

Tri-Tec Corporation

Plastic Injection Molding - Tri-Tec Corporation

About Tri-Tec Corporation

Tri-Tec Corporation is a custom plastic injection molding company specializing in design, production, and optimization of gears and precision component parts. We help customers develop effective, efficient, economical solutions to their plastic gear and component projects. Whether you come to Tri-Tec with a challenge or an idea, collaboration with our skilled personnel and strategic partners will help bring your world-class products to market.