• Briggs & Stratton Corp
• Brunswick Corp.
• Cummins Inc.
• Dresser Industries Inc
• Outboard Marine Corp
• Stewart & Stevenson Services Inc
• McDermott Inc
• Boomerang Systems, Inc.
• Detroit Diesel Corp
• Regi U S Inc
• China Yuchai International
• AMERICAN POWER GROUP Corp
• Coates International Ltd
• Sdc International Inc \De\
• Capstone Green Energy Corp.
• Rodi Power Systems Inc
• Carnegie Development Inc
• Omc Acquisition Corp
• Advanced Engine Technologies Inc
• Catalytica Energy Systems Inc
• XZERES Corp.
• HydroGen CORP
• Power Solutions International Inc
• Novo Integrated Sciences Inc
• Axial Vector Engine Corp
• Hydrogen Hybrid Technologies, Inc.
• 3Power Energy Group Inc.
• Hitor Group, Inc.
• Americas Wind Energy Corp
• Hydrogen Engine Center, Inc.
• Clean Power Technologies Inc.
• Dresser-Rand Group Inc.
• Sun Energy Solar Inc
• Helix Wind, Corp.
• Westport Fuel Systems Inc
• GC China Turbine Corp.
• Valles Angel Michel
• Renegy Holdings, Inc.
• Nugen Holdings, Inc.
• Arista Power, Inc.
• Fast Track Solutions Inc
• Unrivaled Brands Inc
• Wind Power Holdings Inc
• TPI Composites Inc
• MANTHEY REDMOND Corp
• BWX Technologies, Inc.
• Wildcap Energy Inc.
• China Ming Yang Wind Power Group Ltd
• Sky Wolf Wind Turbine Corp
• Northern Power Systems Corp.

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