Summit Polymers Inc

TH Plastics is engaged in the industry of custom injection molding. The company was founded in 1974 by Ted and Jane Haas to specialize in thermoset moldings for major appliances. Its products and services include injection molded thermoplastics for appliances and automotives; injection, compression and transfer-molded phenolic components for appliances and automotives; and it has secondary operations that include welding, assembly and testing. TH Plastics is located in Mendon, Mich. It is housed in three different facilities that total 105,000 square feet of manufacturing and warehouse space.

Located in Vicksburg, Mich. since 1977, AccroSeal Inc. specializes in machining the custom polymer components for industrial clients. The company serves industries, such as agriculture, chemical containment, food manufacturing, industrial equipment and medical. It offers a wide range of machining, stamping and custom lubrication solutions. The company supports component volume ranging from prototyping to full production with a standard lead time of under three weeks from receipt of drawing to finished goods. It manufactures all types of custom plastic components for its customers, including seals, bearings, bushings, rings and gaskets.