| Business | Phone |
| Best Electric Supply Corp 5300 W Lincoln Ave, Milwaukee 53219 | (414) 545-8800 |
| Boggis-Johnson Electric Co 2900 N 112th St, Milwaukee 53222 | (414) 475-6900 |
| Crescent Electric Supply Co 11303 W Theodore Trecker Way, Milwaukee 53214 | (414) 774-9474 |
| Curtis Industries Inc 2400 S 43rd St, Milwaukee 53219 | (414) 649-4200 |
| E Troniks 9324 W Allyn St, Milwaukee 53224 | (414) 365-8528 |
| Esp 6320 N Lake Dr, Milwaukee 53217 | (414) 962-6721 |
| Graybar Electric Co 650 S 108th St, Milwaukee 53214 | (414) 778-1330 |
| Hein Electric Supply Co 1445 N 5th St, Milwaukee 53212 | (414) 274-6520 |
| Industrial Electronics Corp 520 W Mckinley Ave, Milwaukee 53212 | (414) 276-1212 |
| Insight Electronics 2421 N Mayfair Rd # 12, Milwaukee 53226 | (414) 258-5338 |
| International Switching Equip 1109 N Mayfair Rd, Milwaukee 53226 | (414) 258-3200 |
| Labat Specialties Ltd 8104 W National Ave, Milwaukee 53214 | (414) 259-9886 |
| Marsh Electronics Inc 1563 S 101st St, Milwaukee 53214 | (414) 475-1758 |
| Midwestern Electric Co 3806 W Douglas Ave, Milwaukee 53209 | (414) 463-1500 |
| Neher Electric Supply Inc 3629 N Teutonia Ave, Milwaukee 53206 | (414) 871-5700 |
| Ness Electronics Inc 5001 W Good Hope Rd, Milwaukee 53223 | (414) 228-6400 |
| Newark In One 10200 W Innovation Dr 550, Milwaukee 53226 | (414) 456-1308 |
| Square D 11950 W Lake Park Dr 240, Milwaukee 53224 | (414) 359-0959 |
| Standard Electric Supply Co 222 N Emmber Ln, Milwaukee 53233 | (414) 272-8100 |
| Special Electric Co 2576 N Stowell Ave, Milwaukee 53211 | (414) 328-2540 |