| Business | Phone |
| Heartland Architects Inc 9214 Broadway Ave, Brookfield 60513 | (708) 485-8490 |
| Austin Aecom 8400 31st St, Brookfield 60513 | (708) 485-8653 |
| Paul Straka Architects 3724 Prairie Ave, Brookfield 60513 | (708) 485-9830 |
| Tricorp Companies 3526 Mccormick Ave, Brookfield 60513 | (708) 387-4691 |