| CEClev Engine 1 | Cleveland | OH | Transportation Equipment Manufacturing336312 | 500+ | ◐ LIKELY ACTIVE |
| CSCooper Standard New Lexington | New Lexington | OH | Transportation Equipment Manufacturing336340 | 100-499 | ◐ LIKELY ACTIVE |
| CSCst Support Services LLC | Dayton | OH | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| CMCustom Metal Works, Inc (TRUCK) | Norwalk | OH | Transportation Equipment Manufacturing336211 | 1-19 | ◐ LIKELY ACTIVE |
| DIDana Inc. (Lima Facility) | Lima | OH | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| DIDana Inc. (Napoleon Facility) | Napoleon | OH | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| DIDana Incorporated | Maumee | OH | Transportation Equipment Manufacturing336350 | — | ◐ LIKELY ACTIVE |
| DIDana Inc. (Toledo Facility) | Toledo | OH | Transportation Equipment Manufacturing336350 | 500+ | ◐ LIKELY ACTIVE |
| DDayton | Miamisburg | OH | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| DODECKED Ohio | Defiance | OH | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| DADefense and Systems UD EPISCenter | Dayton | OH | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| DADefense and Systems Vandalia OH | Vandalia | OH | Transportation Equipment Manufacturing336320 | 100-499 | ◐ LIKELY ACTIVE |
| ELEast Liberty Automobile Plant | East Liberty | OH | Transportation Equipment Manufacturing336112 | 500+ | ◐ LIKELY ACTIVE |
| ELEast-Trailers, LLC | Randolph | OH | Transportation Equipment Manufacturing336212 | 100-499 | ◐ LIKELY ACTIVE |
| EGElizabeth Greathouse-davis | Columbus | OH | Transportation Equipment Manufacturing336360 | — | ◐ LIKELY ACTIVE |
| EMEuclid Manufacturing Plant | Euclid | OH | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| FEFederal Eagle, LLC | West Chester | OH | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| FMFederal Mogul Powertrain Brunswick | Brunswick | OH | Transportation Equipment Manufacturing336310 | 1-19 | ◐ LIKELY ACTIVE |
| FSFederal Supply Core LLC | Cleveland | OH | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| FCFeintool Cincinnati Inc. Creek Rd. Manufacturing | Cincinnati | OH | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| FCFeintool Cincinnati Inc. Creek rd. Shipping | Cincinnati | OH | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| FCFeintool Cincinnati Inc. Grooms Rd. | Cincinnati | OH | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| FCFeintool Cincinnati Inc. Joslyn Rd. | Cincinnati | OH | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| FCFeintool Cincinnati, Inc. Rebuild Center 6833 Creek Rd. | Cincinnati | OH | Transportation Equipment Manufacturing336370 | 1-19 | ◐ LIKELY ACTIVE |
| FTFlex Trailers, INC. | Wapakoneta | OH | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| FSFoxconn System | Lordstown | OH | Transportation Equipment Manufacturing336111 | 100-499 | ◐ LIKELY ACTIVE |
| FOFranklin Ohio | Franklin | OH | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| FBFs Bmw Financial Services | Columbus | OH | Transportation Equipment Manufacturing336111 | 500+ | ◐ LIKELY ACTIVE |
| GEGe Engine Services LLC | Cincinnati | OH | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| GAGeneral Atomics Aeronautical Systems, INC. | Beavercreek | OH | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Land Systems INC | Port Clinton | OH | Transportation Equipment Manufacturing336992 | — | ◐ LIKELY ACTIVE |
| GEGeneral Electric Company | Cincinnati | OH | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| GAGKN Automotive Bowling Green | Bowling Green | OH | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| GEGoldman Engineering & Technical Services LLC | Mentor | OH | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| GCGoodrich Corporation | Uniontown | OH | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| GGra-mag | London | OH | Transportation Equipment Manufacturing336360 | 20-99 | ◐ LIKELY ACTIVE |
| GMGSW Manufacturing, Inc. Findlay | Findlay | OH | Transportation Equipment Manufacturing336320 | 20-99 | ◐ LIKELY ACTIVE |
| GTGT Technologies, Toledo | Toledo | OH | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| HCHaltec Corporation Leetonia | Leetonia | OH | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
Hartzell Propeller at Hartzell Airfield | Piqua | OH | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| HTHayashi Telempu North America - Ohio | Lebanon | OH | Transportation Equipment Manufacturing336360 | 100-499 | ◐ LIKELY ACTIVE |
| HLHDI Landing Gear | Springfield | OH | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| HHebron | Hebron | OH | Plastics and Rubber Products Manufacturing326112 | 100-499 | ◐ LIKELY ACTIVE |
| HMHelgeson, Michael | Sandusky | OH | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
Henderson Products - Upfit Service Center Bucyrus | Bucyrus | OH | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| HEHits Engineering INC. | Cincinnati | OH | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| HHoneywell | US, OH, Urbana | OH | Transportation Equipment Manufacturing336413 | 500+ | ◐ LIKELY ACTIVE |
| HNHSM New Washington (212) | New Washington | OH | Transportation Equipment Manufacturing336360 | 20-99 | ◐ LIKELY ACTIVE |
| HSHydro Sidney | Sidney | OH | Transportation Equipment Manufacturing336211 | 100-499 | ◐ LIKELY ACTIVE |
| IMIntegrated Manufacturing Additive Technology Center | West Chester | OH | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |