| Business | Phone |
| Valentino Electric Inc 48 Liberty Dr, Barrington 60010 | (847) 551-3600 |
| Paice Electric Co 209 Carriage Trl, Barrington 60010 | (847) 381-3572 |
| Genuine Electric Inc Barrington 60010 | (847) 381-3838 |
| Meadows Electric Barrington 60010 | (847) 382-6888 |
| Lumen Electric 117 S Cook St 304, Barrington 60010 | (847) 540-6300 |
| Lan Electric Inc 520 Concord Ln, Barrington 60010 | (847) 354-2024 |
| Larocco Electric 31 Oak St, Barrington 60010 | (847) 639-0100 |
| Lauren Grant Construction Po Box 251, Barrington 60011 | (847) 277-7799 |