| Business | Phone |
| West Tech Design Inc 625 Harrison St, Kalamazoo 49007 | (269) 373-8000 |
| Walker Parking Consultants 2121 Hudson Ave, Kalamazoo 49008 | (269) 381-6080 |
| Austin Co 229 E Michigan Ave 145, Kalamazoo 49007 | (269) 342-5548 |
| Tourney Consulting Group 2954 Hunters Mdws, Kalamazoo 49048 | (269) 384-9980 |
| Brave Controls & Engineering 4790 Hidden Shore Dr, Kalamazoo 49048 | (269) 388-3500 |
| Byce & Assoc 487 Portage St, Kalamazoo 49007 | (269) 381-6170 |
| Predictive Maintenance Svc 8060 Talaria Ter, Kalamazoo 49009 | (269) 372-5844 |
| R S Designs 326 W Kalamazoo Ave 16, Kalamazoo 49007 | (269) 276-9686 |
| Jones & Henry Engineering 4791 Campus Dr, Kalamazoo 49008 | (269) 353-9650 |