| Business | Phone |
| A C Tecton Group 255 E Brown St # 101, Birmingham 48009 | (248) 645-5438 |
| Residential Project Management Po Box 2402, Birmingham 48012 | (248) 840-1919 |
| Construction Services-Detroit 1651 Croft Rd, Birmingham 48009 | (248) 593-4730 |
| G J Perelli Co 222 E Merrill St, Birmingham 48009 | (248) 646-1717 |
| Heritage Construction & Dev 820 Henrietta St, Birmingham 48009 | (248) 593-1000 |