| Business | Phone |
| Rest Haven Christian Svc 18601 N North Creek Dr, Tinley Park 60477 | (708) 342-8100 |
| Park Management & Realty Inc 7030 Centennial Dr, Tinley Park 60477 | (708) 532-6200 |
| Source Management & Marketing 16335 Harlem Ave 400, Tinley Park 60477 | (708) 633-6341 |