Electrical Switch Manufacturers
| 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) |
| Summit Industries Inc (Marietta, GA) |
| Sure Controls Inc (Greenville, WI) |
| Technology Research Corp (Clearwater, FL) |
| Therm-O-Disc Inc (Muskegon, MI) |
| Tyco Electronics Corp (Glen Rock, PA) |
| Westinghouse Electric Co (Pittsburgh, PA) |
| Anthem Switching Products, Inc. (San Marcos, CA)
Distributor |
| Barton Instrument Systems, LLC (City of Industry, CA)
Manufacturer |
| D G O'Brien Inc (Seabrook, NH)
Manufacturer |
| Cole Hersee Co (Boston, MA)
Manufacturer |
| A & L Relay Svc (Schererville, IN) |
| A & M Engineering Llc (Dallas, TX) |
| A B Electrical Wires Co (Muskegon, MI) |
| A C Gentrol Inc (Chillicothe, IL) |
| A T Systems Inc (Yorkville, IL) |
| Abb Inc (Wichita Falls, TX) |
| Abb Inc (Pompano Beach, FL) |
| Ability Systems Corp (Abington, PA) |
