| company | role | hq | verified |
| C W Rod CO | DIST | Houston, TX (US) | 1 mfrs |
| Daily Electric MOTOR, INC | DIST | Longview, TX (US) | 1 mfrs |
| Daniels Electric Service | DIST | Pittsburgh, PA (US) | 1 mfrs |
| Darby Elec CO | DIST | Anderson, SC (US) | 1 mfrs |
| Dave's Electric Mtr CO | DIST | Granite Falls, MN (US) | 1 mfrs |
| Davis Electric CO | DIST | Fairmont, WV (US) | 1 mfrs |
| DC Connection INC | DIST | Frankfort, IL (US) | 1 mfrs |
| DC Motor PARTS, INC | DIST | Princeton, WV (US) | 1 mfrs |
| Delegard Tool Company | DIST | Bloomington, MN (US) | 1 mfrs |
| Delmarva Electric Motors | DIST | Crofton, MD (US) | 1 mfrs |
| Delta Elec Mtrs & Rpr | DIST | Van Buren, AR (US) | 1 mfrs |
| Dental PLANET, LLC | DIST | Wichita Falls, TX (US) | 1 mfrs |
| Denver Electric Motor | DIST | Denver, CO (US) | 1 mfrs |
| Denver Winpump | DIST | Denver, CO (US) | 1 mfrs |
| Detec Industrial Solutions | DIST | Toledo, OH (US) | 1 mfrs |
| Dew Electric INC | DIST | Connellsville, PA (US) | 1 mfrs |
| D & G Machine COMPANY, INC | DIST | Mannington, WV (US) | 1 mfrs |
| Dietz Electric | DIST | Milwaukee, WI (US) | 1 mfrs |
| Diversified Air System INC | DIST | Cleveland, OH (US) | 1 mfrs |
| Dixie Ind Serv INC | DIST | Chattanooga, TN (US) | 1 mfrs |