• Wheatland Tube Company

• Asahi/America, Inc.

• Curtis Toledo

• General Products Co.

• Ingersoll-Rand Co.

• Kaeser Compressors Incorporated

• Mercer Rubber Co.

• Nellcor Puritan-Bennett

• Norwalk Co.

• Saylor-Beall Manufacturing Company

• Sullivan-Palatek

• Tru-Flex Metal Hose Corp.