Bodycote Thermal Processing knows how to turn up the heat. The company, a subsidiary of UK-based Bodycote International plc, heat-treats metal components to improve their mechanical properties, durability, and wear resistance. Bodycote Thermal Processing processes aircraft and auto parts, and oil field, mining, and agricultural equipment. Its heat-treating processes include hardening, tempering, and annealing. The company doesn't sell parts, but its customers are primarily parts suppliers to manufacturers in the commercial aerospace, automotive, defense, and consumer products industries. It operates about 40 facilities throughout the US and Canada, with major operations in Texas and California.