| Business | Phone |
| Kreykes Electric Inc 2152 Glenwood Dyer Rd, Chicago Heights 60411 | (708) 895-0022 |
| Envision Electric Inc Chicago Heights 60411 | (708) 309-6110 |
| Gummalauskas Electric 2813 Commercial Ave, Chicago Heights 60411 | (708) 709-0518 |
| J & B Electric Co 852 Mackler Dr, Chicago Heights 60411 | (708) 755-4400 |
| Will-Cook Electric 20725 Torrence Ave, Chicago Heights 60411 | (708) 757-9889 |