| company | role | hq | verified |
| Metevier Electric Motor Service | DIST | Burlington, VT (US) | 1 mfrs |
| Miami Pump & Supply Company | DIST | Miami, FL (US) | 1 mfrs |
| Mid Ohio Elec CO | DIST | Columbus, OH (US) | 1 mfrs |
| Midway Ind Sply | DIST | Utica, NY (US) | 1 mfrs |
| Midway Industrial | DIST | Binghamton, NY (US) | 1 mfrs |
| Midwest Elec. Mtr. INC Of Danville | DIST | Danville, IL (US) | 1 mfrs |
| Midwest Mach. Mart | DIST | Indianapolis, IN (US) | 1 mfrs |
| Midwest Motor Specialists | DIST | Morris, IL (US) | 1 mfrs |
| Midwest Technology Products | DIST | Sioux City, IA (US) | 1 mfrs |
| Mielke Elec Wks | DIST | Duluth, MN (US) | 1 mfrs |
| Mile-X EQUIPMENT, INC | DIST | Coldwater, OH (US) | 1 mfrs |
| Mine & Industrial Equipment CO | DIST | Salt Lake City, UT (US) | 1 mfrs |
| Missouri Machinery & Eng. CO INC | DIST | St. Louis, MO (US) | 1 mfrs |
| Missouri Power TRANS-MO14 | DIST | Cape Girardeau, MO (US) | 1 mfrs |
| M & M Elec Mtr Repair | DIST | Frederick, MD (US) | 1 mfrs |
| M & M Electric Motor SERVICE, INC | DIST | Montgomery, AL (US) | 1 mfrs |
| Mn-Iowa Electric Motors & Equip INC | DIST | Mason City, IA (US) | 1 mfrs |
| Moberg ELECTRIC, INC | DIST | Rice Lake, WI (US) | 1 mfrs |
| Mohler Technology, INC | DIST | Boonville, IN (US) | 1 mfrs |
| Moley Industries | DIST | Lockport, NY (US) | 1 mfrs |