| Business | Phone |
| Active Enterprises Inc 403 E Potter St, Wood Dale 60191 | (630) 350-9300 |
| Affiliated Electrical 254 Ash Ave, Wood Dale 60191 | (630) 595-1889 |
| R B Cesar 355 E Potter St, Wood Dale 60191 | (630) 766-2118 |
| Cal's Electrical Svc 729 Creel Dr, Wood Dale 60191 | (630) 350-1531 |
| Exotic Electric Inc 147 E Hillcrest Ave, Wood Dale 60191 | (630) 766-3444 |
| Electronic Systems Inc 314 Saint Andrews Dr, Wood Dale 60191 | (630) 350-8661 |