| Business | Phone |
| I Franchise Group Inc 905 175th St, Homewood 60430 | (708) 957-2300 |
| Mechanical Consultants 18250 Morris Ave, Homewood 60430 | (708) 799-3873 |
| Terrafac Ltd 18154 Harwood Ave, Homewood 60430 | (708) 798-1234 |
| Whelan Engineering 3311 Knollwood Ln, Homewood 60430 | (708) 672-8146 |