Trim-Lok, Inc.

ManufacturingCalifornia, United States51-200 Employees

Trim-Lok, Inc. is a U.S.-based manufacturing company headquartered at 6855 Hermosa Circle, Buena Park, California 90620, with a workforce in the 51-200 range. The company provides extruded rubber and plastic trims, seals, and gaskets, offering both custom parts fabricated to exact specifications and off-the-shelf options. Founded in 1971, Trim-Lok has pursued steady growth and expansion while maintaining a focus on quality, expertise, and customer service. Its product development team comprises mechanical designers and specialists in plastics and rubber materials, and the company uses 3D CAD, finite element analysis, reverse engineering, rapid prototyping, and internal lab testing to produce complex shapes with tight tolerances. Recent activity includes the expansion of facilities to Elkhart, Indiana, as well as catalog updates and new product introductions, such as Catalog 800 in 2025 and the All-in-One Slide Seal Cut-to-Length Kit for RV slideouts.

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