AAF International ABB Switzerland Ltd./Excitation Systems ABB Turbo Systems Alphatec Engineering (Europe) Ltd. AnsaldoEnergia BWSC Capstone Turbine Corporation Cast Iron Welding Centrax Limited Chromalloy CIMAC 2010 Ellwood Crankshafft EmeraChem Enercon Engineering, Inc. Everest Sciences GE Filtration Technologies Global Sourcing Guide GTI-Altronic, Inc. INDAR Electric Kiene Diesel Accessories Kim Hotstart Mfg. Kobe Steel Ltd.

KRAL AG Lufkin Industries Inc. MAN Turbo AG Mitsubishi Heavy Industries, Ltd. Mitsubishi Power Systems Monico, Inc. MTU Maintenance Berlin-Brandenburg GmbH MTU Onsite Energy MWM GmbH Petro-Canada Lubricants Petrotech, Inc. Pratt & Whitney Power Systems Rolls-Royce Energy Siemens Energy Superbolt The Lee Company Thermal Structures Inc. Universal Silencer Wärtsilä Corporation Waukesha Bearings Corporation Waukesha Pearce Industries (WPI)