| Business | Phone |
| Adt Security Svc 202 W Western Ave, South Bend 46601 | (574) 287-9594 |
| All-Phase Electric Supply Co 1385 N Bendix Dr, South Bend 46628 | (574) 282-2585 |
| Coastal Supply Inc 413 N Michigan St, South Bend 46601 | (574) 287-0010 |
| Consolidated Electrical Distr 1213 S Main St, South Bend 46601 | (574) 282-2731 |
| Eaton Cutler-Hammer 300 N Michigan St, South Bend 46601 | (574) 273-5052 |
| Graybar Electric Co 1834 N Kenmore St, South Bend 46628 | (574) 289-1111 |
| Kirby Risk Electrical Supply 1904 N Kenmore St, South Bend 46628 | (574) 232-1232 |
| U S 31 Electrical Supply 51000 Indiana State Route 933, South Bend 46637 | (574) 272-8152 |
| Wesco Distributing Inc 3412 Boland Dr, South Bend 46628 | (574) 288-0615 |