About Trim-Lok, Inc.
Founded in 1971 and headquartered in Buena Park, California, Trim-Lok designs and manufactures precision extruded plastic and rubber trims, seals, gasketing, and plastic profiles. Our products are trusted by industries that value reliability, quality, and performance. Over the decades, Trim-Lok has grown through innovation, engineering excellence, and an unwavering commitment to customer satisfaction.
Our Mission
To be the leader and trusted supplier of choice for innovative Trim and Seal solutions.
With over 50 years of consistent growth, Trim-Lok has proven to our customers that premier customer service and quality is our priority. Trim-Lok has provided support to our customers by shipping on-time for both off-the-shelf and custom extruded parts.
What We Do
Product Expertise
We specialize in extruded rubber and plastic trims, edge trims, trim-seals, rubber seals, locking gaskets, and specialty plastic profiles.
Custom Engineering
We offer custom design and manufacturing capabilities, including material selection, color matching, and co-extrusion for unique applications.
Value-Added Services
Our value-added operations include adhesive backing, in-line printing, notching, and cut-to-length services to enhance efficiency and precision.
Nationwide Manufacturing
With production facilities on the West Coast and Midwest, we efficiently serve customers across the United States with quick turnaround times.
Why Choose Trim-Lok
Proven Expertise
Over 50 years of experience solving sealing and finishing challenges with dependable results.
Made in the USA
Domestic manufacturing ensures quality control, shorter lead times, and responsive service.
Engineering Partnership
Our team collaborates with customers from concept to production to design the right solution for each application.
Versatility
From standard trims to complex custom extrusions, we have the capabilities and experience to deliver.
Our Commitment
We continue to invest in innovation, technology, and people to provide our customers with high-quality, reliable solutions that stand the test of time.
Family Owned for Over 50 Years
Family-owned and operated for more than 50 years, Trim-Lok has built a strong reputation for high-quality rubber and plastic extrusion products, including edge trims, rubber seals, gaskets, and other edge protection and sealing solutions — all proudly made in the USA. With our roots in California manufacturing, we’ve expanded our production to Elkhart, Indiana, to better serve customers nationwide. Trim-Lok Midwest, our newest manufacturing facility, allows us to deliver our products more quickly and efficiently, improving lead times and logistics for customers across the country.
Known for our expertise in custom extrusion projects, Trim-Lok is a trusted partner for companies seeking durable, precise, and innovative extrusion solutions. Our ongoing commitment to American-made quality, engineering excellence, and customer service continues to drive our growth as one of the nation’s leading manufacturers of rubber and plastic sealing and trim solutions.
Trim-Lok Midwest: Our Newest Manufacturing Facility
Trim-Lok continues to invest in American manufacturing. Our expansion to Elkhart, Indiana, strengthens our ability to serve customers nationwide with faster lead times and even greater efficiency.