| Business | Phone |
| Cincinnati Gilbert Machine Co 3366 Beekman St, Cincinnati 45223 | (513) 541-4815 |
| Custom Carbide Cutter 11860 Kemper Springs Dr, Cincinnati 45240 | (513) 851-6363 |
| Reading Machine Co 2121 Section Rd, Cincinnati 45237 | (513) 351-1900 |
| Setco Sales Co 5880 Hillside Ave, Cincinnati 45233 | (513) 941-5110 |
| Eltool Corp 1665 Central Ave, Cincinnati 45214 | (513) 723-1772 |