| MTMonroe Truck Equipment | Joliet | IL | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| NANorth American Lighting INC | Salem | IL | Transportation Equipment Manufacturing336320 | — | ◐ LIKELY ACTIVE |
| NANorth American Lighting INC | Paris | IL | Transportation Equipment Manufacturing336320 | — | ◐ LIKELY ACTIVE |
| PHP & H Mfg CO | Shelbyville | IL | Machinery Manufacturing333111 | 100-499 | ◐ LIKELY ACTIVE |
| WMWoodward Mpc INC | Niles | IL | Fabricated Metal Product Manufacturing332813 | 500+ | ◐ LIKELY ACTIVE |
| CLChampion Laboratories INC | Albion | IL | Transportation Equipment Manufacturing336390 | — | ◐ LIKELY ACTIVE |
| DMDynamic Manufacturing CO | Melrose Park | IL | Transportation Equipment Manufacturing336350 | — | ◐ LIKELY ACTIVE |
| ECEakas CORP | Peru | IL | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| FMFord Motor CO. - Chgo Assembly Plant | Chicago | IL | Transportation Equipment Manufacturing336110 | — | ◐ LIKELY ACTIVE |
| GDGreat Dane | Kewanee | IL | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| NANorth American Lighting INC | Flora | IL | Transportation Equipment Manufacturing336320 | — | ◐ LIKELY ACTIVE |
| FMFord Motor CO | Chicago Heights | IL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| HBHendrickson Bumper & Trim | Crest Hill | IL | Transportation Equipment Manufacturing336330 | — | ◇ UNVERIFIED |
| MMMitsubishi Motors North America INC | Normal | IL | Transportation Equipment Manufacturing336110 | — | ◇ UNVERIFIED |
Astronics Connectivity Systems & Certification CORP. | Waukegan | IL | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
Elliott Aviation, LLC | Milan | IL | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| HIHelitune INC | Wood Dale | IL | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| HUHendrickson Usa, L.l.c. | Woodridge | IL | Transportation Equipment Manufacturing336330 | — | ◐ LIKELY ACTIVE |
| SESystems & Electronics INC | Wood Dale | IL | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
Tf Acquisition CO LLC | Sandoval | IL | Transportation Equipment Manufacturing336120 | — | ◐ LIKELY ACTIVE |
Valqari LLC | Lombard | IL | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| ATAcbl Transportation Svc LLC | Cairo | IL | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| ALAisin Light Metals LLC | Marion | IL | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| AIAndersons INC the - Danville Rail | Danville | IL | Transportation Equipment Manufacturing336510 | — | ◐ LIKELY ACTIVE |
| ASA. Stucki dba Wheelworx | Pekin | IL | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| CRCalumet River Fleeting - Chicago Dry Dock | Chicago | IL | Transportation Equipment Manufacturing336611 | 1-19 | ◐ LIKELY ACTIVE |
| CEChemring Energetic Devices INC | Downers Grove | IL | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| DMDanville Metal Stamping 17 oakwood Ave | Danville | IL | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| DIDynomax, Inc. | Wheeling | IL | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| EWEagle Wings Industries INC | Rantoul | IL | Transportation Equipment Manufacturing336370 | — | ◐ LIKELY ACTIVE |
| FCFlex-N-Gate Chicago | Chicago | IL | Transportation Equipment Manufacturing336390 | 500+ | ◐ LIKELY ACTIVE |
| GAGe Aviation Systems LLC | Loves Park | IL | Fabricated Metal Product Manufacturing332911 | — | ◐ LIKELY ACTIVE |
| HSHamilton Sundstrand Corporation | Rockford | IL | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| HSHamilton Sundstrand Corporation | Rockford | IL | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| JCJnr Custo-matic Screw, INC. | Glendale Heights | IL | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| KMKnapheide Manufacturing 6th & State | Quincy | IL | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| KMKnapheide Manufacturing CO | Quincy | IL | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| KTKnapheide Truck Equipment CO | Quincy | IL | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| MEMagna Exteriors Belvidere (2) | Belvidere | IL | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| NMNational Maintenance & Repair INC | Hartford | IL | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| PBPrikos & Becker | Skokie | IL | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| PMPrincipal Manufacturing Corporation | Braodview | IL | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| RMRandall Manufacturing LLC | Elmhurst | IL | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| RCRicon CORP | Buffalo Grove | IL | Transportation Equipment Manufacturing336340 | 20-99 | ◐ LIKELY ACTIVE |
| RARivian Automotive | Normal | IL | Transportation Equipment Manufacturing336110 | — | ◐ LIKELY ACTIVE |
| RARivian Automotive LLC | Normal | IL | Transportation Equipment Manufacturing336110 | — | ◐ LIKELY ACTIVE |
| RPRockford Powertrain INC | Loves Park | IL | Transportation Equipment Manufacturing336350 | — | ◐ LIKELY ACTIVE |
| SCSteiner CORP. | Chicago | IL | Apparel Manufacturing315990 | 20-99 | ◐ LIKELY ACTIVE |
| SDStellantis Dba Fca US LLC - Belvidere Assembly Plant | Belvidere | IL | Transportation Equipment Manufacturing336110 | — | ◐ LIKELY ACTIVE |
| TDthyssenkrupp Dynamic Components Danville, LLC. | Danville | IL | Transportation Equipment Manufacturing336310 | 100-499 | ◐ LIKELY ACTIVE |