| PSPeerless Saw | Groveport | 20–99 | ◐ LIKELY ACTIVE |
| PMPennant Moldings INC | Sabina | 100–499 | ◐ LIKELY ACTIVE |
| PBPresrite Bessemer | Cleveland | 20–99 | ◐ LIKELY ACTIVE |
| PCPresrite Corporation Technical Division | Eastlake | 20–99 | ◐ LIKELY ACTIVE |
Quality Welding & Fabrication LLC | Elida | 20–99 | ◐ LIKELY ACTIVE |
| RWRace Winning Brands | Mentor | 100–499 | ◐ LIKELY ACTIVE |
| RIReifel Industries INC. | Pioneer | 100–499 | ◐ LIKELY ACTIVE |
| RERolling Enterprises INC | Moraine | — | ◐ LIKELY ACTIVE |
| SESapa Extrusions | Sidney | — | ◐ LIKELY ACTIVE |
| SVSherwood Valve LLC | Brooklyn | 20–99 | ◐ LIKELY ACTIVE |
| SOSouthern Ohio Fabricators | Batavia | — | ◐ LIKELY ACTIVE |
| SMSpringco Metal Coating | Cleveland | 100–499 | ◐ LIKELY ACTIVE |
| SMStillwater Machining | Troy | 20–99 | ◐ LIKELY ACTIVE |
| SISuperb Industries INC | Sugarcreek | 20–99 | ◐ LIKELY ACTIVE |
| SDSuperior Die Tool and Machine CO | Columbus | 20–99 | ◐ LIKELY ACTIVE |
| SPSuperior Production LLC | Columbus | 100–499 | ◐ LIKELY ACTIVE |
| SESwagelok Eastlake | Eastlake | 100–499 | ◐ LIKELY ACTIVE |
| TMTaylor Metal Products | Mansfield | 100–499 | ◐ LIKELY ACTIVE |
| TTThe Timken CO - Bucyrus Bearing Plant | Bucyrus | — | ◐ LIKELY ACTIVE |
| UHUnited Hard Chrome CORP | Canton | — | ◐ LIKELY ACTIVE |
| VVVenco Venturo LLC | Cincinnati | 20–99 | ◐ LIKELY ACTIVE |
| VFViking Forge CORP. | Streetsboro | 100–499 | ◐ LIKELY ACTIVE |
| WPWire Products | Cleveland | 20–99 | ◐ LIKELY ACTIVE |
| WGWitt Galvanizing- Cincinnati, INC. | Cincinnati | 20–99 | ◐ LIKELY ACTIVE |
| WCWorthington Cylinder Corporation | Columbus | — | ◐ LIKELY ACTIVE |
| WIWorthington Industries Cylinders CORP | Jefferson | — | ◐ LIKELY ACTIVE |
| WFWyman-gordon Forgings (cleveland) INC | Cleveland | 20–99 | ◐ LIKELY ACTIVE |
| CCCrown Cork and Seal | Lancaster | — | ◐ LIKELY ACTIVE |
| CCCrown Cork & Seal - Massillon Plant 42 (1576130634) | Massillon | — | ◐ LIKELY ACTIVE |
| ICIngersoll-rand CO Steelcraft Div | Cincinnati | — | ◐ LIKELY ACTIVE |
| LCLake City Plating Plant 2 | Ashtabula | — | ◐ LIKELY ACTIVE |
| LELuke Engineering and Mfg CO INC | Wadsworth | — | ◐ LIKELY ACTIVE |
| MSMaterial Sciences Corporation - Canfield (0250030020) | Canfield | — | ◐ LIKELY ACTIVE |
| MIMcginnis, INC. - Sheridan Shipyard/marine Ways (0744000168) | South Point | — | ◐ LIKELY ACTIVE |
| OAOhio Anodizing INC | Columbus | — | ◐ LIKELY ACTIVE |
| PHParker Hannifin CORP. - Eaton Plant (0868030048) | Eaton | — | ◐ LIKELY ACTIVE |
| PGPly Gem | Sidney | — | ◐ LIKELY ACTIVE |
| PEPrecision Entry | Sugarcreek | — | ◐ LIKELY ACTIVE |
| SSSifco Selective Plating | Independence | — | ◐ LIKELY ACTIVE |
| SMSwagelok Manufacturing Co., LLC | Solon | — | ◐ LIKELY ACTIVE |
| TLTecnocap, LLC (0278080620) | Warren | — | ◐ LIKELY ACTIVE |
| TCTeikuro CORP | Springfield | — | ◐ LIKELY ACTIVE |
| TATrivium Aluminum Packaging USA Corporation (0250110920) | Youngstown | — | ◐ LIKELY ACTIVE |
| XIXtek INC Plant No 2 | Cincinnati | — | ◐ LIKELY ACTIVE |
| AMAdvics Manufacturing of Ohio INC | Lebanon | — | ◇ UNVERIFIED |
| APAircraft Plating CORP. | Cleveland | — | ◇ UNVERIFIED |
| ABAkron Brass Plant 2 | Wooster | — | ◇ UNVERIFIED |
| AMAlco Manufacturing CORP | Elyria | — | ◇ UNVERIFIED |
| AOArmoloy of Ohio INC | Springfield | — | ◇ UNVERIFIED |
| BABabcock and Wilcox CO * | Barberton | — | ◇ UNVERIFIED |