| Business | Phone |
| Alternate Power & Energy Corp 4900 W 5th Ave, Gary 46406 | (219) 944-2525 |
| Enpac Distributors 3900 W 4th Ave, Gary 46406 | (219) 949-5690 |
| Great Lakes Svc & Sales 201 Mississippi St, Gary 46402 | (219) 882-0705 |
| Illiana Industrial Motor Svc 717 E 41st Ave, Gary 46409 | (219) 887-3582 |
| Pres-Del Electric Inc 4172 Broadway, Gary 46408 | (219) 884-3146 |