Operational since 1980, Columbia Manufacturing Inc. has been providing machined components, sheet metal and machined fabrications for the aircraft and related industries. The company is one of the leading suppliers of complex hardware throughout the United States and abroad. It utilizes computer-aided design (CAD)/computer-aided manufacturing (CAM) systems to fulfill customers complex machining and fabricating needs. Located in Columbia, Conn., Columbia Manufacturing Inc. is an ISO 9001:2000 and AS9100 certified company. Its sheet metal fabrication uses proven methods of expansion, double action expansion and bulge forming.