| Business | Phone |
| Henry J Mantz & Assoc 400 N Warwick Ave, Westmont 60559 | (630) 655-6250 |
| Millennium Medical Resources 900 Oakmont Ln, Westmont 60559 | (630) 734-0200 |
| Police Consultants 825 N Cass Ave 210, Westmont 60559 | (630) 325-2336 |
| Thomas Management Group 419 S Cass Ave, Westmont 60559 | (630) 663-0300 |
| Village Green Management 32 W 60th St, Westmont 60559 | (630) 663-0969 |