Custom Rubber Products, Plastic Fabrication, Millathane? Millable Urethane Rubber and Contract Manufacturing of Specialty Chemicals TSE Industries brings 40 years of experience to every project. We're a custom manufacturer of rubber & plastic products and a contract manufacturer of custom specialty chemicals. TSE produces molded and extruded rubber products, fabricated and extruded plastic products, millable and cast urethane products and conveyor components. TSE is ISO 9001 Certified. Our Sp...