Baldor Electric Company
Campbell Hausfeld/Scott Fetzer Company, Inc.
Caterpillar, Inc.
Coleman Powermate, Inc.
Cummins Power Generation/Onan Corporation
DeVilbiss Air Power Company, Inc.
Generac Portable Products, Inc.
Generac Power Systems, Inc.
Gillette Generators, Inc.
Honda Motor Company, Ltd.
Kato Engineering, Inc. -- subsidiary of Emerson
Katolight Corporation
Kohler Power Systems
Lister-Petter, Inc.
Wacker Corporation
Winco, Inc.