Columbia Technical Corporation

Combustion and Energy Corporation

Combustion Tec, Inc.

Combustion Tech, Inc

Combustion Unlimited Incorporated

Combustion, Tec. Inc.

Comercial Acros Whirlpool S.A. De C.V.

Commissariat à l'Energie Atomique

Company Limited Partnership

Complete Combusion Services

Comstock & Wescott Inc.

Concept Manufacturing

Conel AG

Conma, N.V.

Conover Donald R.

Consolidated Natural Gas Service Co., Inc.

Constable Alan

Constrade Aktiengesellschaft

Constructions Electriques

Consultant Gas Engineer Limited