| Business | Phone |
| All-Phase Electric Supply Co 1355 King Hwy, Kalamazoo 49001 | (269) 381-1114 |
| Wesco Distributing Inc 3443 Gembrit Cir, Kalamazoo 49001 | (269) 343-0790 |
| United Electric Supply Co 1918 King Hwy, Kalamazoo 49001 | (269) 381-2750 |
| Warren Electronic Parts 2825 Lake St, Kalamazoo 49048 | (269) 381-4203 |
| Square D 5380 Holiday Ter 10, Kalamazoo 49009 | (269) 372-2117 |
| Standard Electric Co 3649 E Cork St, Kalamazoo 49001 | (269) 342-1965 |
| Conduit Usa 225 Parsons St, Kalamazoo 49007 | (269) 381-3961 |
| Davis Electronics 6113 Twilight Ave, Kalamazoo 49048 | (269) 349-4725 |
| Kendall Electric Supply 1348 King Hwy, Kalamazoo 49001 | (269) 345-0101 |