| Business | Phone |
| Affiliated Designers 209 Park Dr, Troy 48083 | (248) 583-7772 |
| Aps 6767 Vernmoor Dr, Troy 48098 | (248) 879-5667 |
| Tri Corp Design 89 W South Blvd, Troy 48085 | (248) 813-8550 |
| Stromex 2166 Prescott Dr, Troy 48083 | (248) 524-2054 |
| Cai Designs 1700 Stutz Dr, Troy 48084 | (248) 816-8558 |
| Design Technologies 101 W Big Beaver Rd, Troy 48084 | (248) 687-1320 |
| Porsche Procurement Office 1965 Research Dr, Troy 48083 | (248) 680-7272 |
| Elemental 1520 Temple City Dr, Troy 48084 | (248) 822-7072 |
| Firebrandz 2189 Connolly Dr, Troy 48098 | (248) 641-2978 |
| Fresher Brighter Interiors Inc 2723 Roundtree Dr, Troy 48083 | (248) 740-7873 |
| Moncur Associates 1700 W Big Beaver Rd 315, Troy 48084 | (248) 458-6990 |