| GMGb Manufacturing Company | Delta | 20–99 | ◐ LIKELY ACTIVE |
| GAGe Aviation Systems, LLC | Dayton | — | ◐ LIKELY ACTIVE |
| GEGeneral Electric Company | Seaman | — | ◐ LIKELY ACTIVE |
| GEGeneral Electric Peebles Facility (0701000001) | Peebles | — | ◐ LIKELY ACTIVE |
| GCGoodrich Corporation | Troy | — | ◐ LIKELY ACTIVE |
| GAGrimes Aerospace Company | Urbana | — | ◐ LIKELY ACTIVE |
| HSHanon Systems Usa, LLC | Carey | 100–499 | ◐ LIKELY ACTIVE |
Hartzell Propeller Composite Facility | Piqua | 20–99 | ◐ LIKELY ACTIVE |
| IBImasen Bucyrus Technology Inc, | Bucyrus | 100–499 | ◐ LIKELY ACTIVE |
| JIJay Industries, INC. | Mansfield | 100–499 | ◐ LIKELY ACTIVE |
| JIJefferson Industries | West Jefferson | 500+ | ◐ LIKELY ACTIVE |
| JAJoby Aviation Dayton | Vandalia | 1–19 | ◐ LIKELY ACTIVE |
| KTKuka Toledo Production Operations | Toledo | — | ◐ LIKELY ACTIVE |
| MLMac Ltt, INC. | Kent | 100–499 | ◐ LIKELY ACTIVE |
| MMMAC Manufacturing, Inc. | Salem | 100–499 | ◐ LIKELY ACTIVE |
| MWMAC Waste Trailer, Inc | Alliance | 100–499 | ◐ LIKELY ACTIVE |
| MIMarion Industries INC. | Marion | 500+ | ◐ LIKELY ACTIVE |
| MIMcginnis, INC. | South Point | — | ◐ LIKELY ACTIVE |
| MAMeggitt Aircraft Braking Systems Corporation | Akron | — | ◐ LIKELY ACTIVE |
| MWMid West Fabricating - Amanda | Amanda | 100–499 | ◐ LIKELY ACTIVE |
| MIMilark Industries, INC. | Mansfield | 100–499 | ◐ LIKELY ACTIVE |
| MNMobis North America, LLC | Toledo | 100–499 | ◐ LIKELY ACTIVE |
| NINavarre Industries | Navarre | 100–499 | ◐ LIKELY ACTIVE |
| NINhvs International INC. | Mentor | 100–499 | ◐ LIKELY ACTIVE |
| OFOerlikon Friction Systems (us) INC. | Dayton | 20–99 | ◐ LIKELY ACTIVE |
| OAOhio Air National Guard 179 Airlift Group | Mansfield | — | ◐ LIKELY ACTIVE |
| PIPako INC | Mentor | — | ◐ LIKELY ACTIVE |
| PHParker Hannifin CORP | Elyria | — | ◐ LIKELY ACTIVE |
| PCPenn-ohio Coal CO - Crooked Run Facility | New Philadelphia | — | ◐ LIKELY ACTIVE |
| PIPentaflex, INC. | Springfield | 20–99 | ◐ LIKELY ACTIVE |
| PAPowers and Sons | Montpelier | 100–499 | ◐ LIKELY ACTIVE |
| PAPrecision Aero Company I LLC | Troy | — | ◐ LIKELY ACTIVE |
| PPPrecision Paint Systems, LLC | South Point | 20–99 | ◐ LIKELY ACTIVE |
| STSchodorf Truck Body & Equipment CO | Columbus | — | ◐ LIKELY ACTIVE |
| SAStahl, a Scott Fetzer Co-stahl/scott Fetzer CO | Wooster | — | ◐ LIKELY ACTIVE |
| SEStanley Electric U.S Co Inc - ALP | London | 500+ | ◐ LIKELY ACTIVE |
Superior Marine Ways - South Point | South Point | — | ◐ LIKELY ACTIVE |
| TCTaiho Corporation of America | Tiffin | 100–499 | ◐ LIKELY ACTIVE |
| TSTakumi Stamping INC. | Fairfield | 100–499 | ◐ LIKELY ACTIVE |
| TITech-med, INC. | Euclid | — | ◐ LIKELY ACTIVE |
| TAToledo Assembly Complex | Toledo | 500+ | ◐ LIKELY ACTIVE |
| TSToledo Supplier Park - Rolling Chassis (0448011729) | Toledo | — | ◐ LIKELY ACTIVE |
| TTToledo Tool and Die Alexis | Toledo | 100–499 | ◐ LIKELY ACTIVE |
| TIToth Industries, INC. | Toledo | 20–99 | ◐ LIKELY ACTIVE |
| TCTrailer Component Manufacturing | Mentor | 100–499 | ◐ LIKELY ACTIVE |
| TCTrailer Components Manufacturing - 8200 | Mentor | 100–499 | ◐ LIKELY ACTIVE |
| UIUnison Industries, Plant 1 (0829710096) | Dayton | — | ◐ LIKELY ACTIVE |
| VCVarbros CORP | Brookpark | 20–99 | ◐ LIKELY ACTIVE |
| CSCooper Standard Automotive INC | New Lexington | — | ◐ LIKELY ACTIVE |
| HPHartzell Propeller: Hartzell Airport Site | Piqua | — | ◐ LIKELY ACTIVE |