| DADrs Advanced Isr LLC | Beavercreek | — | ◐ LIKELY ACTIVE |
| EDElano Division of Unison Industries LLC | Dayton | — | ◐ LIKELY ACTIVE |
| EMElliott Machine Works | Galion | 20–99 | ◐ LIKELY ACTIVE |
| FCFeintool Cincinnati Inc. Cornell Park Dr. | Cincinnati | 100–499 | ◐ LIKELY ACTIVE |
| FLFerrotherm, LLC | Cleveland | 100–499 | ◐ LIKELY ACTIVE |
FIBA Technologies, Inc OH | Midvale | 20–99 | ◐ LIKELY ACTIVE |
| FMFire Manufacturing Innovations LLC | Springfield | 20–99 | ◐ LIKELY ACTIVE |
| FMFord Motor Company, Cleveland Engine Plants | Brookpark | — | ◐ LIKELY ACTIVE |
| GPGarsite Progress LLC | Alvada | — | ◐ LIKELY ACTIVE |
| GMGb Manufacturing Company | Delta | 20–99 | ◐ LIKELY ACTIVE |
| GAGe Aviation Systems, LLC | Dayton | — | ◐ LIKELY ACTIVE |
| GEGeneral Electric Company | Seaman | — | ◐ LIKELY ACTIVE |
Hartzell Propeller Composite Facility | Piqua | 1–19 | ◐ LIKELY ACTIVE |
| JIJay Industries, INC. | Mansfield | 100–499 | ◐ LIKELY ACTIVE |
| JAJoby Aviation Dayton | Vandalia | 1–19 | ◐ LIKELY ACTIVE |
| LTLawrence Technologies INC | Dayton | 1–19 | ◐ 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 |
| MIMilark Industries, INC. | Mansfield | 100–499 | ◐ LIKELY ACTIVE |
| MSMohr Stamping INC. | Wellington | 20–99 | ◐ LIKELY ACTIVE |
| NINavarre Industries | Navarre | 100–499 | ◐ LIKELY ACTIVE |
| NMNelson Manufacturing | Ottawa | 20–99 | ◐ LIKELY ACTIVE |
| NINhvs International INC. | Mentor | 100–499 | ◐ LIKELY ACTIVE |
| OFOerlikon Friction Systems (us) INC. | Dayton | 20–99 | ◐ LIKELY ACTIVE |
| OIOgs Industries, INC | Akron | 20–99 | ▲ REPORTED CLOSED |
| 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 |
Piston Automotive - Toledo | Toledo | 100–499 | ◐ LIKELY ACTIVE |
| PAPrecision Aero Company I LLC | Troy | — | ◐ LIKELY ACTIVE |
| SIS&A Industries | Akron | 100–499 | ◐ LIKELY ACTIVE |
| SDSH Distributing | Burbank | 20–99 | ◐ LIKELY ACTIVE |
| SAStahl, a Scott Fetzer Co-stahl/scott Fetzer CO | Wooster | — | ◐ LIKELY ACTIVE |
| SWStainless Works, Inc. | Streetsboro | 20–99 | ◐ LIKELY ACTIVE |
| TSTakumi Stamping INC. | Fairfield | 100–499 | ◐ LIKELY ACTIVE |
| TTToledo Tool and Die Alexis | Toledo | 100–499 | ◐ LIKELY ACTIVE |
| TCTrailer Components Manufacturing - 8200 | Mentor | 100–499 | ◐ LIKELY ACTIVE |
| UIUnison Industries, Plant 1 (0829710096) | Dayton | — | ◐ LIKELY ACTIVE |
| BTBig Tex Trailer Manufacturing, LLC | Batavia | — | ◐ LIKELY ACTIVE |
| CSCooper Standard Automotive INC | New Lexington | — | ◐ LIKELY ACTIVE |
| DPDefiance Precision Products | Defiance | — | ◐ LIKELY ACTIVE |
| FEFaurecia Emission Control Technologies | Toledo | — | ◐ LIKELY ACTIVE |
| FEFoxconn Ev System LLC | Warren | — | ◐ LIKELY ACTIVE |
| GEGeneral Electric Peebles Facility (0701000001) | Peebles | — | ◐ LIKELY ACTIVE |
| HPHartzell Propeller: Hartzell Airport Site | Piqua | — | ◐ LIKELY ACTIVE |
| JEJr Engineering, INC. | Norton | 20–99 | ◐ LIKELY ACTIVE |