| Business | Phone |
| Aardvark Electrical Systems 126 E 632 N, Valparaiso 46383 | (219) 477-5451 |
| B-K Delta Electric 12 Lafayette St, Valparaiso 46383 | (219) 531-1300 |
| D & K Electric 105 Stone Creek Dr, Valparaiso 46383 | (219) 464-7576 |
| Dodrill Electric Inc 908 Roosevelt Rd # B, Valparaiso 46383 | (219) 464-7394 |
| Dowden Electric 363 Rickenbacker Ct, Valparaiso 46385 | (219) 364-1901 |
| Giesler Electric Inc 174 Joliet Rd, Valparaiso 46385 | (219) 464-3296 |
| H & G Svc 304 N 400 E, Valparaiso 46383 | (219) 465-3790 |
| Hoosier-State Electrical 348 W 550 S, Valparaiso 46385 | (219) 465-1226 |
| La Crosse Well Svc Valparaiso 46383 | (219) 465-7003 |
| Lighthouse Electric Inc Valparaiso 46383 | (219) 531-0400 |
| M C Zosso Electric 312 N 325 E # C, Valparaiso 46383 | (219) 531-1083 |
| Midwestern Electric Inc 215 E Division Rd, Valparaiso 46383 | (219) 464-1800 |
| Moser Electric & Construction 355 Coolwood Dr, Valparaiso 46385 | (219) 462-1363 |
| Multi Tech Svc 93 Blue Jay Dr, Valparaiso 46383 | (219) 477-2050 |
| My Electric 4411 Evans Ave # H, Valparaiso 46383 | (219) 531-7447 |
| On Line Electric Co 420 Nantucket Rd, Valparaiso 46385 | (219) 759-3390 |
| Shock Wave Electrical 455 N 475 W, Valparaiso 46385 | (219) 759-2331 |
| Static Electric Llc Valparaiso 46383 | (219) 548-0453 |