| Business | Phone |
| Franke Plating Works Inc 2109 E Washington Blvd, Fort Wayne 46803 | (260) 422-8477 |
| Wayne Black Oxide Inc 4505 Executive Blvd, Fort Wayne 46808 | (260) 484-0280 |
| Wayne Metal Protection Co 1511 Wabash Ave, Fort Wayne 46803 | (260) 426-8008 |
| Three Rivers Gold Plating Co 1506 Wall St, Fort Wayne 46802 | (260) 422-0735 |
| Reckon Plating Inc 5300 Hanna St, Fort Wayne 46806 | (260) 744-4339 |