| AFAmerican Fine Sinter | Tiffin | OH | Transportation Equipment Manufacturing336310 | 100-499 | ◐ LIKELY ACTIVE |
| AIAmg Industries INC | Mount Vernon | OH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| AAAti Aviation Services LLC | Cleveland | OH | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| ANAutoneum North America INC | Oregon | OH | Electrical Equipment, Appliance & Component Manufacturing335314 | 100-499 | ◐ LIKELY ACTIVE |
| BIBrown Industrial INC | Botkins | OH | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| CACtl Aerospace | Cincinnati | OH | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| DGDayton-phoenix Group INC | Dayton | OH | Machinery Manufacturing333513 | 100-499 | ◐ LIKELY ACTIVE |
| DWDayton Wheel Concepts INC | Dayton | OH | Transportation Equipment Manufacturing336322 | 20-99 | ◐ LIKELY ACTIVE |
| DSDefiance Stamping Company | Napoleon | OH | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| EMEngineered Mobile Solutions INC | Batavia | OH | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| FSFalls Stamping & Welding CO | Cuyahoga Falls | OH | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| FUFca US LLC | Toledo | OH | Transportation Equipment Manufacturing336110 | — | ◐ LIKELY ACTIVE |
| FUFca US LLC - Toledo Machining Plant (0387040123) | Perrysburg | OH | Transportation Equipment Manufacturing336330 | 100-499 | ◐ LIKELY ACTIVE |
| FPFindlay Products | Findlay | OH | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| FTF T Precision | Fredericktown | OH | Machinery Manufacturing333612 | 100-499 | ◐ LIKELY ACTIVE |
| FIFulton Industries, LLC | Wauseon | OH | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
Hartzell Propeller, LLC (0855100373) | Piqua | OH | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| HLHfi LLC | Canal Winchester | OH | Transportation Equipment Manufacturing336322 | 100-499 | ◐ LIKELY ACTIVE |
| HAHitachi Astemo Americas INC. | Findlay | OH | Transportation Equipment Manufacturing336322 | 100-499 | ◐ LIKELY ACTIVE |
| JIJefferson Industries | West Jefferson | OH | Transportation Equipment Manufacturing336111 | 500+ | ◐ LIKELY ACTIVE |
| KMKalida Manufacturing INC | Kalida | OH | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| KTKuka Toledo Production Operations | Toledo | OH | Transportation Equipment Manufacturing336320 | 100-499 | ◐ LIKELY ACTIVE |
| LILakepark Industries INC | Greenwich | OH | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| MBMahle Behr Mt Sterling INC | Mount Sterling | OH | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| MMancor | Dayton | OH | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| MAMeggitt Aircraft Braking Systems Corporation | Akron | OH | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| MWMid West Fabricating - Amanda | Amanda | OH | Fabricated Metal Product Manufacturing332618 | 100-499 | ◐ LIKELY ACTIVE |
| MEMitsubishi Electric Automotive America (1483090295) | Mason | OH | Transportation Equipment Manufacturing336310 | 100-499 | ◐ LIKELY ACTIVE |
| MNMobis North America, LLC | Toledo | OH | Transportation Equipment Manufacturing336110 | 100-499 | ◐ LIKELY ACTIVE |
| MTMorgan Truck Body LLC (0285010292) | Orrville | OH | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| PMPacific Manufacturing | Fairfield | OH | Transportation Equipment Manufacturing336370 | 500+ | ◐ LIKELY ACTIVE |
| PAP & a Industries | Findlay | OH | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| PAPcc Airfoils LLC | Crooksville | OH | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| PIPentaflex, INC. | Springfield | OH | Machinery Manufacturing333513 | 20-99 | ◐ LIKELY ACTIVE |
| PPProduction Products INC. | Columbus Grove | OH | Fabricated Metal Product Manufacturing332116 | 100-499 | ◐ LIKELY ACTIVE |
| PSProgressive Stamping INC | Ottoville | OH | Fabricated Metal Product Manufacturing332116 | 100-499 | ◐ LIKELY ACTIVE |
| RWRace Winning Brands | Mentor | OH | Fabricated Metal Product Manufacturing332112 | 100-499 | ◐ LIKELY ACTIVE |
| RPRiker Products | Toledo | OH | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| SEStanley Electric U.S Co Inc - ALP | London | OH | Transportation Equipment Manufacturing336111 | 500+ | ◐ LIKELY ACTIVE |
| SISuperb Industries INC | Sugarcreek | OH | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| TCTaiho Corporation of America | Tiffin | OH | Transportation Equipment Manufacturing336310 | 100-499 | ◐ LIKELY ACTIVE |
| TITech-med, INC. | Euclid | OH | Transportation Equipment Manufacturing336413 | 1-19 | ◐ LIKELY ACTIVE |
| TIToth Industries, INC. | Toledo | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| TUTremcar USA INC | Strasburg | OH | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| TTTs Trim Industries, INC. | Canal Winchester | OH | Transportation Equipment Manufacturing336322 | 100-499 | ◐ LIKELY ACTIVE |
| YNYamada North America | South Charleston | OH | Transportation Equipment Manufacturing336330 | 500+ | ◐ LIKELY ACTIVE |
| YCYusa Corporation (0124010098) | Washington Court House | OH | Transportation Equipment Manufacturing336330 | 100-499 | ◐ LIKELY ACTIVE |
| CDCleveland Die and Manufacturing Plant 2 | Middleburg Heights | OH | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| EMEast Manufacturing CORP | Randolph | OH | Transportation Equipment Manufacturing336211 | 100-499 | ◐ LIKELY ACTIVE |
| EMErnst Metal Technologies | Moraine | OH | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |