Kulthorn Kirby Public Company Limited, together with its subsidiary, manufactures and distributes hermetic compressors for refrigerators, freezers, water coolers, commercial refrigerators, and air conditioners. The company operates through four segments: Compressors and Parts, Enameled Wire, Steel Sheet, and Steel Coil Center. It also produces 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. In addition, the company is involved in the slitting of electrical steel for compressors; and the provision of services related to technology research and development for products and manufacturing. Further, it offers condensing units for refrigeration products, electrical motor parts, and other motor compressor parts. The company serves in Thailand, Hong Kong, China, Indonesia, Australia, Saudi Arabia, and internationally. Kulthorn Kirby Public Company Limited was founded in 1980 and is headquartered in Bangkok, Thailand.