| 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 |
| 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 |
| FMFargo Manufacturing CO | Franklin Park | IL | Transportation Equipment Manufacturing336413 | 1-19 | ◐ 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 |
| MBMartin Barkey Racing Products (mbrp Ltd) | Huntsville, Ontario, Ca | IL | Transportation Equipment Manufacturing336390 | — | ◐ LIKELY ACTIVE |
| NMNational Maintenance & Repair INC | Hartford | IL | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| PDPrecision Dynamics LCC | Machesney Park | IL | Transportation Equipment Manufacturing336390 | 20-99 | ◐ 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 |
| SSSchaumburg Specialties | Schaumburg | IL | Transportation Equipment Manufacturing336999 | 20-99 | ◐ 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 |
| ZSZf Services LLC | Vernon Hills | IL | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| BCBoeing CO Bldg 850 & 858 | Mascoutah | IL | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| BEBorg-warner Emissions/thermal Systems | Dixon | IL | Transportation Equipment Manufacturing336399 | — | ◐ LIKELY ACTIVE |
| CCChevron Commercial, INC. | Highland | IL | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| DMDynamic Manufacturing- Hillside 5 | Hillside | IL | Transportation Equipment Manufacturing336350 | — | ◐ LIKELY ACTIVE |
| DMDynamic Manufacturing INC | Hillside | IL | Transportation Equipment Manufacturing336350 | — | ◐ LIKELY ACTIVE |
| FSFreedman Seating Company | Chicago | IL | Transportation Equipment Manufacturing336360 | 500+ | ◐ LIKELY ACTIVE |
| NMNational Maintenance and Repair | Hartford | IL | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| NRNational Railway Equipment | Silvis | IL | Transportation Equipment Manufacturing336510 | — | ◐ LIKELY ACTIVE |
| RARivian Automotive | Le Roy | IL | Transportation Equipment Manufacturing336110 | — | ◐ LIKELY ACTIVE |
| TIThule INC. | Forest Park | IL | Transportation Equipment Manufacturing336390 | — | ◐ LIKELY ACTIVE |
| ARAdm Rail Car Repair Facility | Decatur | IL | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| APAircraft Propeller Service LLC | Lake Zurich | IL | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| APAirtex Products | Fairfield | IL | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| APAirtex Products Division | Fairfield | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| APAirtex Products INC | Fairfield | IL | Transportation Equipment Manufacturing336312 | — | ◇ UNVERIFIED |
| AAAmerican Allied Rail | Washington | IL | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| AAApplied Acoustics Intl | Chicago Heights | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| ATAutomotive Technology Systems | Lawrenceville | IL | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BPBabbitrite Products CO | Peoria | IL | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| BNBloomington Normal Seating CO | Normal | IL | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |