Profile: Exothermic Molding, Inc. is a full-service manufacturer of custom plastic parts using reaction injection molding technology. We also create custom molds to duplicate fiberglass, urethane, polyurethane, thermoplastic, composite and metal parts. Our services are used in medical, electronics and instrument works. We also provide reaction injection molding works. Our company is accredited with ISO 9002 certification. We work with three local mold-making shops to design and manufacture molds. Our reaction injection molding molds are made from machined or cast aluminum.