| Demico Inc (Atlanta, GA)
|
| Detroit Coil Co (Ferndale, MI)
|
| Eaton Corp (Milwaukee, WI)
|
| EDR Electronics Inc (Arlington Hts, IL)
|
| Electrol Co Inc (York, PA)
|
| Ewert America Electronics Ltd (Marietta, GA)
|
| FSI/Fork Standards Inc (Lombard, IL)
|
| Functional Devices Inc (Russiaville, IN)
|
| General Electric Co (Bloomington, IL)
|
| Hausermann Die & Machine Co (Addison, IL)
|
| Hi-Lex Controls Inc (Litchfield, MI)
|
| Hubbell Industrial Controls (Madison, OH)
|
| Intersol Industries Inc (Bensenville, IL)
|
| Liebert Corp (Columbus, OH)
|
| Lumenite Control Technology (Franklin Park, IL)
|
| Matrix Systems Inc (Centerville, OH)
|
| MPE Inc (Apopka, FL)
|
| Pacific Scientific Co (Rockford, IL)
|
| Performance Technical Services (Bradenton, FL)
|
| Rapid Control Service (Grand Rapids, MI)
|
| Rodix Inc (Rockford, IL)
|
| Saftronics Inc (Fort Myers, FL)
|
| Scott Bacharach Instruments (Exton, PA)
|
| SimplexGrinnell (Westlake, OH)
|
| Spang Power Electronics (Sandy Lake, PA)
|
