• A&D Company

• Aaliant Hersey Measurement Co.

• Air Plastics

• Albany Pump Company

• Applied Geomechanics

• Arcon Canada Ltd.

• Athena Controls Inc.

• BOC Gases

• Badger Meter

• Bailey Controls Co.

• Balmac

• Bender

• Billtown Mechanical Corporation

• CUH2A, Inc.

• Carling Technologies, Inc.

• Carlon Meter Co., Inc.

• Carpenter Rigging

• Channel Products. Inc.

• Charles Ramm Associates

• Cla-Val Co.

• Classic Design & Build

• Classic Doors & Mantels

• Control Concepts Inc.

• Controlotron Corp.

• CountryPlank

• Crystal Fountains

• Cutler-Hammer, Canada

• Danaher Controls

• Data Industrial Corp.

• Delphian Corp.

• Devar, Inc.

• Dickson Co.

• Dutch Made Inc.

• Dwyer Instruments

• E-T-A Circuit Breakers

• EAO Switch Corp.

• ERDCO Engrg. Corp.

• ESCO Technologies, Inc.

• Elliott Electric Supply, Inc.

• Ellis & Watts

• Emerson Electric Co.

• Energy Automation Systems, Inc.

• FLIR Systems

• Fireye

• Frank Electric Corporation (FEC)

• GC Controls

• Globetron Electronics Corporation

• Howland Electric and Electronics Wholesale Company

• IMC Instruments

• ISCO

• Industrial Test Equipment Co.

• Invensys/Foxboro

• James Isler's Custom Painting

• Johnson Controls, Inc.

• Kemco Systems

• Key Instruments

• Kuhlman Electric Corporation

• LIGHTIN

• Maxitrol Co.

• Medallion Hardwood Flooring

• Moeller Instrument Company, Inc.

• Mooney Controls

• Myron L Company

• Newport

• Norman N. Axelrod Associates

• Omega-Vanzetti

• Omegadyne

• Onicon

• Osmonics

• PFT of America

• Pacer Industries

• Payne Engineering Company

• Pearpoint, Inc.

• Perfect Sense

• Pneuline Controls

• Pneumercator Co.

• Precise Forms Inc.

• RSI Co.

• Red-Ray Manufacturing Company, Inc.

• Rees Scientific

• Rigel Systems

• Rockwell Automation

• Rosemount Analytical Division

• SED Systems

• Saftronics Inc.

• Santa Barbara Control Systems

• Schott North America Inc.

• Shortridge Instruments

• Siemens Industrial Automation

• Sierra Monitor Corp.

• Solidyne Corp.

• Solomon Cordwell Buenz & Associates Inc.

• Soltec Corp.

• Sparling Instruments

• Stakepuller

• TRIATEK

• TURCK Inc. USA

• Tecumseh Products Company

• Teledyne Analytical Instrument

• Times Square Lighting

• Trumeter Co.

• Ultratech Industries

• Wago Corp.

• Webb: Jervis B. Webb Co.

• Western Pacific Storage Systems

• Zellweger Analytics