| Business | Phone |
| Washington Penn Plastic Co Inc 3256 University Dr, Auburn Hills 48326 | (248) 276-2275 |
| American Commodities 70 S Squirrel Rd, Auburn Hills 48326 | (248) 293-1800 |
| Bayer Corp 438 Faithway Rd, Auburn Hills 48326 | (601) 736-4800 |
| Solvay Engineered Polymers Inc 1200 Harmon Rd, Auburn Hills 48326 | (248) 391-9500 |
| Technical Marketing Assoc 2431 Pontiac Rd, Auburn Hills 48326 | (248) 475-9256 |