미국 상업 및 산업용 밸브 연구

주요 선수 : AMERICAN Cast Iron Pipe Company, American Valve Inc, Ari Valve Corp., Baker Hughes, BELIMO Aircontrols (USA) Inc.

주요 선수 : Raven Industries, Inc., BERMAD CS Ltd, Netafim USA, ACE PUMP CORPORATION, The Toro Company

주요 선수 : Emerson Electric Co., Schlumberger Limited, Flowserve Corporation, Crane Co., Rotork Plc

주요 선수 : Emerson Electric Co., Schlumberger Limited, Eaton Corporation, Flowserve Corporation, Crane Holdings, Co.

주요 선수 : Emerson Electric Co., Schlumberger Limited, Alfa Laval Corporate AB, Flowserve Corporation, Crane Co.

주요 선수 : Emerson Electric Co., Baker Hughes Company, Danfoss AS, Flowserve Corporation, Crane Co.

주요 선수 : Emerson Electric Co., Flowserve Corporation, Baker Hughes Company, Metso Corporation, CIRCOR International Inc.

주요 선수 : General Electric, Emerson Electric Co., Watts, The Weir Group PLC, 알파라발

주요 선수 : IMI 정밀 엔지니어링, Danfoss Industries Ltd, Curtiss Wright Corporation, Emerson Electric Co., Parker Hannifin Corporation