| Mech-Tronics (Mount Holly, NJ)
|
| Meisei Inc (Danville, IL)
|
| Mexi Coil Industries (South El Monte, CA)
|
| Microwave Components (Chelmsford, MA)
|
| Midcom Inc (Watertown, SD)
|
| Midwest Current Transformer (New Prague, MN)
|
| Mil Spec Magnetics (Pomona, CA)
|
| Mini-Circuits Lab (Brooklyn, NY)
|
| Mitchell Electronics Corp (Mount Vernon, NY)
|
| Mode Electronics Inc (Cincinnati, OH)
|
| Morley Transformer Co Inc (Muncie, IN)
|
| National Electric Coil (Columbus, OH)
|
| Neeltran Inc (New Milford, CT)
|
| Neshaminy Transformer Corp (Warminster, PA)
|
| Netcom Inc (Wheeling, IL)
|
| Nwl Transformers (Bordentown, NJ)
|
| P C Transformer Corp (West Babylon, NY)
|
| Paraline Transformer Co (Pasadena, CA)
|
| Pca Electronics Inc (North Hills, CA)
|
| Pearson Electronics Inc (Palo Alto, CA)
|
| Perkin Elmer Optoelectronics (Salem, MA)
|
| Peter W Dahl Co (El Paso, TX)
|
| Pico Electronics Inc (Pelham, NY)
|
| Plasma Technics Transformers (Racine, WI)
|
| Potter-Rayfield Coil Equipment (Bristol, VA)
|
