| Business | Phone |
| Serge Electric 1263 Deerfield Pkwy, Buffalo Grove 60089 | (847) 537-9933 |
| Telemetrics Communications 160 University Dr, Buffalo Grove 60089 | (847) 541-0608 |
| K & K Electric Co 788 Chaucer Way, Buffalo Grove 60089 | (847) 634-1770 |
| M M Electric Co 721 Hastings Dr, Buffalo Grove 60089 | (847) 520-9040 |
| Team Mechanical Inc 431 Lexington Dr, Buffalo Grove 60089 | (847) 537-1616 |