| Business | Phone |
| Datech Electric Inc 13345 Forest Ln, Lockport 60441 | (815) 836-8091 |
| Dependable Electric Lockport 60441 | (815) 838-1528 |
| J & E Electric 16428 W 145th Pl, Lockport 60441 | (815) 588-2415 |
| Peterson Electric 1006 Read St, Lockport 60441 | (815) 838-1971 |
| Parkview Electric Co Lockport 60441 | (815) 834-1994 |
| Mitrovich & Sons Electric Inc 206 Daggett Ave, Lockport 60441 | (815) 838-0233 |