| Business | Phone |
| E-Coaters Of West Michigan 750 E Ellis Rd, Muskegon 49441 | (231) 798-7701 |
| Great Lakes Finishing Inc 510 W Hackley Ave, Muskegon 49444 | (231) 733-9566 |
| Great Lakes Plating Corp 710 Pulaski Ave, Muskegon 49441 | (231) 755-3728 |
| Muskegon Industrial Finishing 2632 Park St, Muskegon 49444 | (231) 733-7663 |
| Unico Inc Black Oxides 2513 Park St, Muskegon 49444 | (231) 733-9913 |
| Spec Abrasives & Finishing Inc 543 W Southern Ave, Muskegon 49441 | (231) 722-1926 |