Onex 

ONEX Corporation provides metal heat treatment, remediation, and processing services in Japan. The company's metal heat treatment services include carburizing, carbonitriding, vacuum, high frequency, bright heat, and aluminum alloy heat treatment. Its services also comprise quenching and tempering, nitriding, gas nitrocarburizing, shot peening, and PVD coating treatment services, as well as heat treatments for oversized parts. The company offers its heat treatment services for a range of components used in the automotive, industrial machinery, machine tool, and construction equipment sectors. In addition, it provides logistics and information system development services. The company was formerly known as Oya Netsushori Co., Ltd. and changed its name to Onex Corporation in July 1991. Onex Corporation was founded in 1951 and is headquartered in Atsugi, Japan.