| Business | Phone |
| Cincinnati Metal Finishing 11280 Sebring Dr, Cincinnati 45240 | (513) 851-7490 |
| Leonhardt Plating Co 5753 Este Ave, Cincinnati 45232 | (513) 242-1410 |
| Mechanical Finishing Inc 6350 Este Ave, Cincinnati 45232 | (513) 641-5419 |
| Porter-Guertin Co 2150 Colerain Ave, Cincinnati 45214 | (513) 241-7663 |
| Robben Restoration Metal Rpr 5628 Cheviot Rd, Cincinnati 45247 | (513) 741-3619 |
| Varland Metal Svc 3231 Fredonia Ave, Cincinnati 45229 | (513) 861-0555 |