• 3M Electrical Products Division

• Alstom Canada Inc.

• Arco Electric Products

• Commonwealth Sprague Capactor

• Composite Power Group Inc.

• Cooper Power Systems

• Curly Woods Figured Hardwood Lumber

• Custom Plastics

• Davidge Controls

• Delta Tranformer of Canada

• ERICO

• ETCO Specialty Products

• Fisher Pierce

• Flexspace, Inc.

• Flow International Corporation

• G & W Electric Co.

• Hipotronics

• J R Stephenson (Manufacturing) Ltd.

• Precise Power Corp.

• SL Waber

• Structron Corp. (Seymour Manufacturing Co., Inc.)

• Tristate & Electric & Electronics Supply Co.

• Unibus

• Xercon