| Business | Phone |
| Henkels & Mc Coy Inc 745 S Rohlwing Rd, Addison 60101 | (630) 627-0716 |
| J Lf Electrical Sales 1765 W Cortland Ct, Addison 60101 | (630) 627-1722 |
| K L Electric Co 1480 Bernard Dr, Addison 60101 | (630) 261-0025 |
| Kipling Cable & Instruction 739 W Fullerton Ave, Addison 60101 | (630) 543-7003 |
| Premier Mechanical Inc 111 Fairbank St, Addison 60101 | (630) 543-3500 |
| Rex Electric 920 W National Ave, Addison 60101 | (630) 932-8600 |
| S & P Electric Inc 1715 W Cortland Ct, Addison 60101 | (630) 916-8353 |
| Scholl Electric Co 908 S Westgate St, Addison 60101 | (630) 458-9000 |
| United Electrical Inc 1811 Kings Point Dr N, Addison 60101 | (630) 916-8441 |