| Business | Phone |
| Kensington International Inc 1415 W 22nd St 500, Oak Brook 60523 | (630) 571-0123 |
| Robert H Jackson & Assoc Inc 18w741 Avenue Chateaux N, Oak Brook 60523 | (630) 960-5588 |
| Venturi Career Partners 1301 W 22nd St, Oak Brook 60523 | (630) 571-3800 |
| Venturi Staffing Partners 1100 Lake, Oak Brook 60523 | (630) 573-2545 |