Ariel Corporation (US)
Siemens (Germany)
General Electric (US)
Atlas Copco (Sweden)
Ingersoll-Rand plc (Ireland)
Kobe Steel
Ltd. (Japan)
and Burckhardt Compression AG (Switzerland). Hitachi Industrial Products
Ltd. (Japan)
Howden Group (UK)
Gardner Denver Inc. (US)
Sundyne (US)
Shenyang Blower Works Group Corporation (China)
Kaeser Kompressoren (Germany)
mayekawa mfg. Co. Ltd (US)
and Corken Inc. (US)