| Business | Phone |
| Tech Advantage 2344 S Commerce Rd, Walled Lake 48390 | (248) 669-2654 |
| Sundree System Solutions 1838 Megans Meadow Dr, Walled Lake 48390 | (248) 926-0585 |
| Cyberneer 2916 Benstein Rd, Walled Lake 48390 | (248) 758-4880 |
| Nano Systems Inc 2655 E Oakley Park Rd 101, Walled Lake 48390 | (248) 926-3075 |