Nikkiso Clean Energy & Industrial Gases (CE&IG) Group makes cryogenic pumps, expanders, heat exchangers, vaporizers and process systems used across the LNG, hydrogen, ammonia, CO2 and industrial gas value chains, and provides related services. The group is headed by Cryogenic Industries in Temecula, California, a wholly owned subsidiary of Japan's Nikkiso Co., and employs more than 1,800 people in over 20 countries.