| ITIrwin Telescopic Seating CO | Altamont | IL | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| IDItw Deltar | Paxton | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| KIKb I LTD | Lake in the Hills | IL | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| LELakeside Energy Facility | Waukegan | IL | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| MTMark Twain Industries | West Frankfort | IL | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
Mclaughlin Body CO | East Moline | IL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| MEMetro East Industries INC | Alorton | IL | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| MTMickey Truck Bodies INC | Bloomington | IL | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| MMModine Mfg CO | Mchenry | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| MMMohr Mfg Dba Cronkhite Industries INC | Danville | IL | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| MAMorse Automotive CORP | Chicago | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| MAMorse Automotive CORP | Chicago | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| NANorth American Lighting | Mattoon | IL | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| PEPlastech Engineered Products | Chicago | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| PAPremier Air Center INC Dba West Star Aviation INC | East Alton | IL | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| QMQuarter Master Industries INC | Lake Zurich | IL | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| SMScreen Machine CO the | Elk Grove Village | IL | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| SMScreen Machine INC the | Elk Grove Village | IL | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| SESparton Engineered Prod | Flora | IL | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| SOSpectran of Chicago | Markham | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| TITeleweld INC | Streator | IL | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| TIThule INC. | Forest Park | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| TATower Automotive | Rockford | IL | Transportation Equipment Manufacturing336000 | — | ◇ UNVERIFIED |
| TIToy-tex INC | Skokie | IL | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| TTTrailmobile Trailer LLC | Charleston | IL | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| TCTranscraft CORP | Anna | IL | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| UIUgn INC | Chicago | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| UIUnison Industries INC | Rockford | IL | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| UTUnited Technologies Automotive INC. | Newton | IL | Transportation Equipment Manufacturing336000 | — | ◇ UNVERIFIED |
| VAVista-pro Automotive LLC | Burr Ridge | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| WCWehrli Custom Fabrication | Dekalb | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| WGWest Grant Dev INC | Rockton | IL | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| WIWoodward INC. | Niles | IL | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| XMXenia Mfg INC | Olney | IL | Transportation Equipment Manufacturing336321 | — | ◇ UNVERIFIED |
| ZLZf Lemforder | Chicago | IL | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| ZSZf Services North America | Vernon Hills | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| 1R100 Rivian Motorway (Normal, Illinois) | Normal | IL | Transportation Equipment Manufacturing336112 | 500+ | ◐ LIKELY ACTIVE |
| 1J1990 Janice Ave. | Melrose Park | IL | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| 2U2701 United Lane | Elk Grove Village | IL | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| 8D801 Diesel Radiator Co. | Elk Grove Village | IL | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| ANAdient Normal | Normal | IL | Transportation Equipment Manufacturing336360 | 20-99 | ◐ LIKELY ACTIVE |
| ASAegis Station Infrastructure LLC | Chicago | IL | Transportation Equipment Manufacturing336414 | — | ◐ LIKELY ACTIVE |
| APAgnelo Pereira | Chicago | IL | Transportation Equipment Manufacturing336320 | — | ◐ LIKELY ACTIVE |
| AGAIRCRAFT GEAR CORPORATION - Plant 1 | Loves Park | IL | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| AGAIRCRAFT GEAR CORPORATION - Plant 2 | Rockford | IL | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| AIAlorton IL Trackwork | Alorton | IL | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| APAMS Performance LLC | Batavia | IL | Transportation Equipment Manufacturing336310 | 20-99 | ◐ LIKELY ACTIVE |
| AMAMST Main Branch | University Park | IL | Transportation Equipment Manufacturing336212 | 100-499 | ◐ LIKELY ACTIVE |
| ASAntolin Southern Illinois, LLC (dba Antolin Nashville) | Nashville | IL | Transportation Equipment Manufacturing336360 | 100-499 | ◐ LIKELY ACTIVE |
| AAApplied Aeronautics LLC | Lake Bluff | IL | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |