Kulthorn Kirby Public Company Limited, together with its subsidiaries, manufactures and distributes hermetic compressors. It operates through four segments: Compressors and Parts, Enameled Wire, Steel Sheet, and Steel Coil Center. The company manufactures and sells iron castings for compressor parts and automotive parts; enameled copper wires and thermostats for use in air conditioners and refrigerators; forging, machining, and heat treatment metal parts; and steel coil center for the manufacturer of motor compressors, electrical motors, and other parts. It is also involved in the slitting of electrical steel for compressors; and the provision of services related to technology research and development for products and manufacturing. In addition, the company offers condensing units for refrigeration products, electrical motor parts, and other motor compressor parts. It serves in Thailand, Hong Kong, China, Indonesia, Australia, the Kingdom of Saudi Arabia, and internationally. The company was founded in 1980 and is based in Bangkok, Thailand.