- ALPHA GEAR - WITTENSTEIN
- AMERICAN FITTINGS
- APC
- APPLETON ELECTRIC
- ARLINGTON
- ATC
- BRAD HARRISON/DANIEL WOOD HEAD
- BRADY
- BUSSMANN
- CAROL
- CONTROL TECHNIQUES
- COOPER/BUSSMANN
- DANAHER CONTROLS (Dynapar, Eagle Signal, Veeder -Root)
- DIVERSIFIED ELECTRONICS
- DYNAPAR (Division of Danaher Controls)
- EAGLE SIGNAL (Division of Danaher Controls)
- EDWARDS SIGNALING
- ENCODER PRODUCTS - EPC
- FAZTEK
- FEDERAL SIGNAL
- FERRAZ SHAWMUT
- FINDER
- FLOWLINE
- G&L MOTION CONTROL
- HARTING
- HELLERMANN TYTON
- HOFFMAN
- HYDE PARK (Division of Schneider Electric)
- IBOCO
- ICONICS MANUACTURING
- IDC (Division of Kollmorgen)
- IDEAL INDUSTRIES
- IDEC
- INTERNATIONAL POWER
- ISSC-KANSON
- KB ELECTRONICS
- KOLLMORGEN (IDC, Micron, Pacific Scientific, Superior Electric)
- LEDTRONICS
- LEESON MOTORS
- LEROY SOMER
- LEVITION MANUFACTURING
- LUMBURG
- MAGNECRAFT(Division of Schneider Electric)
- MAPLE SYSTEMS
- MERLIN GERIN (Division of Schneider Electric)
- MICRON (Division of Kollmorgen)
- MICROWAVE DATA SYSTEMS – MDS
- MODICON (Division of Schneider Electric)
- MOLEX
- NR&D
- N-TRON
- OMNI CABLE
- OVERLY HAUTZ
- PACIFIC SCIENTIFIC (Division of Kollmorgen)
- PINNACLE
- POWERTEC INDUSTRIAL MOTORS
- PROFACE AMERICA
- RED LION CONTROLS
- SAGINAW
- SCHNEIDER ELECTRIC (Merlin Gerin, Modicon, Square D, Telemecanique)
- SELECTA SWITCH
- SHAWMUT
- SICK, INC.
- SPRAGUE
- SQUARE D (Division of Schneider Electric)
- SSAC
- SUPERIOR ELECTRIC (Division of Kollmorgen)
- TELEMECANIQUE (Division of Schneider Electric)
- THK
- THOMAS & BETTS
- THOMSON
- TOFINO
- TOSHIBA
- TRANS COIL, INC. – TCI
- TRANSTECTOR SYSTEMS
- TURCK, INC.
- US ELECTRIC MOTORS
- VEEDER-ROOT
- WEIDMULLER
- WITTENSTEIN – ALPHA GEAR
- XYCOM AUTOMATION (Division of Proface America)
