BUENA PARK, Calif.—Trim-Lok Inc. plans to expand its Elkhart, Ind., manufacturing and warehouse operation two-fold into a facility that eventually will allow it to increase the size of its work force ...

Trim-Lok, Inc. is the leading manufacturer of PVC push on edge trim, trim-seals and EPDM rubber-seals for 50 years. Trim-Lok was the original company that announced the latest in sealing technology ...