| TWThe Will-burt Company | Orrville | 100–499 | ▲ REPORTED CLOSED |
Vacuum Energy INC | Gates Mills | — | ◐ LIKELY ACTIVE |
Veracity Group INC | Cincinnati | — | ◐ LIKELY ACTIVE |
| CCCleveland Circuit CORP. Dba Instrumatics | Cleveland | — | ◐ LIKELY ACTIVE |
| AIAnduril Industries, INC. | Ashville | — | ◐ LIKELY ACTIVE |
| ASATK Space Systems Inc. - Beavercreek | Dayton | 100–499 | ◐ LIKELY ACTIVE |
| BTBird Technologies Group & BEC | Solon | 100–499 | ◐ LIKELY ACTIVE |
| CLClark-reliance LLC | Strongsville | — | ▲ REPORTED CLOSED |
| DADrs Advanced Isr LLC | Beavercreek | — | ◐ LIKELY ACTIVE |
| ETE-mek Technologies, LLC | Dayton | 20–99 | ◐ LIKELY ACTIVE |
| LSLuxium Solutions - Newbury | Newbury | 1–19 | ◐ LIKELY ACTIVE |
| MMMarlin Manufacturing | Cleveland | 20–99 | ◐ LIKELY ACTIVE |
| NENational Electric Coil/Rail Products International- Columbus | Columbus | 20–99 | ◐ LIKELY ACTIVE |
| OCOhio Circuits | Twinsburg | — | ◐ LIKELY ACTIVE |
| PLPole/zero LLC | West Chester | — | ◐ LIKELY ACTIVE |
| PAPrecision Aero Company I LLC | Troy | — | ◐ LIKELY ACTIVE |
Rockwell Automation - Twinsburg | Twinsburg | 100–499 | ◐ LIKELY ACTIVE |
| SISealtron, INC. | Cincinnati | — | ◐ LIKELY ACTIVE |
| SMSpectra-Tech Manufacturing, Inc. | Batavia | 20–99 | ◐ LIKELY ACTIVE |
| SIStarwin Industries, LLC | Dayton | — | ◐ LIKELY ACTIVE |
| TTTeledyne Tekmar | Mason | 100–499 | ◐ LIKELY ACTIVE |
| WLWrwp, LLC | Twinsburg | 100–499 | ◐ LIKELY ACTIVE |
| EPEngineered Products of Ohio, LLC | Cortland | — | ◐ LIKELY ACTIVE |
| ICIntel Corporation- Ohio Campus (0145000588) | New Albany | — | ◐ LIKELY ACTIVE |
| SCSaint-gobain Crystals | Newbury | — | ◐ LIKELY ACTIVE |
| ASAtk Space Systems INC | Dayton | — | ◇ UNVERIFIED |
| CCCaptor Corporation (0855750070) | Tipp | — | ◇ UNVERIFIED |
| CPChannel Products INC | Chesterland | — | ◇ UNVERIFIED |
| CLConsumer Lighting (u.s.) LLC - Nela Park (1318182623) | East Cleveland | — | ◇ UNVERIFIED |
| DIDiebold, Incorporated | Canton | — | ◇ UNVERIFIED |
| EIEcd INC | Sebring | — | ◇ UNVERIFIED |
| EBElsag Bailey INC | Wickliffe | — | ◇ UNVERIFIED |
| HSHamilton Standard Controls | Lexington | — | ◇ UNVERIFIED |
| HHH H Electronics INC | Twinsburg | — | ◇ UNVERIFIED |
| IIInservco INC | Lagrange | — | ◇ UNVERIFIED |
| LPL.g. Phillips Displays Usa, INC. | Ottawa | — | ◇ UNVERIFIED |
| MMMetal Management Ohio | Defiance | — | ◇ UNVERIFIED |
| MIMicro Industries CORP | Westerville | — | ◇ UNVERIFIED |
| OOmnitec-plating | Painesville | — | ◇ UNVERIFIED |
| PPPerlmuter Printing CO. | Brooklyn Heights | — | ◇ UNVERIFIED |
| PCPinecrest Condominium #521 | Broadview Heights | — | ◇ UNVERIFIED |
| PIPioneer Industrial Component Sys | Springboro | — | ◇ UNVERIFIED |
| PEPowell Electrical Systems INC | North Canton | — | ◇ UNVERIFIED |
Projects Unlimited INC | Dayton | — | ◇ UNVERIFIED |
| RIRanco INC | Delaware | — | ◇ UNVERIFIED |
| RNRanco North America | Plain City | — | ◇ UNVERIFIED |
Rockwell Automation | Westerville | — | ◇ UNVERIFIED |
| SCSaint-gobain Crystals | Solon | — | ◇ UNVERIFIED |
Staco Energy Products, INC. (0857040283) | Dayton | — | ◇ UNVERIFIED |
| SPSumco Phoenix CORP | Maineville | — | ◇ UNVERIFIED |