| Business | Phone |
| Crescent Inc 19734 Kingsville St, Harper Woods 48225 | (313) 372-8620 |
| Kelly Berkshire Ctr/America 19992 Kelly Rd, Harper Woods 48225 | (313) 839-2000 |
| J Otis Management Consultants 20416 Harper Ave, Harper Woods 48225 | (313) 647-0524 |
| Global Mapping Strategies 20630 Harper Ave 114, Harper Woods 48225 | (313) 882-6500 |