| Business | Phone |
| Second Source 1801 N Opdyke Rd, Auburn Hills 48326 | (248) 373-9050 |
| Rochester Sales Inc 1265 Doris Rd, Auburn Hills 48326 | (248) 373-7300 |
| D L O'Toole Co 3062 E Walton Blvd, Auburn Hills 48326 | (586) 725-4960 |
| Dan Buckey Assoc 1091 Centre Rd 270, Auburn Hills 48326 | (248) 340-1423 |