| RARivian Automotive | Normal | — | ◐ LIKELY ACTIVE |
| RARivian Automotive LLC | Normal | — | ◐ LIKELY ACTIVE |
| RPRockford Powertrain INC | Loves Park | — | ◐ LIKELY ACTIVE |
| SCSteiner CORP. | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| SDStellantis Dba Fca US LLC - Belvidere Assembly Plant | Belvidere | — | ◐ LIKELY ACTIVE |
| TDthyssenkrupp Dynamic Components Danville, LLC. | Danville | 100–499 | ◐ LIKELY ACTIVE |
| WIWoodward INC | Loves Park | — | ◐ LIKELY ACTIVE |
| ZSZf Services LLC | Vernon Hills | 100–499 | ◐ LIKELY ACTIVE |
| BCBoeing CO Bldg 850 & 858 | Mascoutah | — | ◐ LIKELY ACTIVE |
| BEBorg-warner Emissions/thermal Systems | Dixon | — | ◐ LIKELY ACTIVE |
| FDFour Degree Trailer CO | Kewanee | — | ◐ LIKELY ACTIVE |
| NMNational Maintenance and Repair | Hartford | — | ◐ LIKELY ACTIVE |
| NRNational Railway | Mount Vernon | — | ◐ LIKELY ACTIVE |
| NRNational Railway Equipment | Silvis | — | ◐ LIKELY ACTIVE |
| RARivian Automotive | Le Roy | — | ◐ LIKELY ACTIVE |
| ARAdm Rail Car Repair Facility | Decatur | — | ◇ UNVERIFIED |
| APAircraft Propeller Service LLC | Lake Zurich | — | ◇ UNVERIFIED |
| APAirtex Products | Fairfield | — | ◇ UNVERIFIED |
| APAirtex Products Division | Fairfield | — | ◇ UNVERIFIED |
| APAirtex Products INC | Fairfield | — | ◇ UNVERIFIED |
| AAAmerican Allied Rail | Washington | — | ◇ UNVERIFIED |
| AAApplied Acoustics Intl | Chicago Heights | — | ◇ UNVERIFIED |
| ATAutomotive Technology Systems | Lawrenceville | — | ◇ UNVERIFIED |
| BPBabbitrite Products CO | Peoria | — | ◇ UNVERIFIED |
| BNBloomington Normal Seating CO | Normal | — | ◇ UNVERIFIED |
| BCBoeing CO | Mascoutah | — | ◇ UNVERIFIED |
| BCBoeing Company | Chicago | — | ◇ UNVERIFIED |
| BRBombardier Recreational Products | Benton | — | ◇ UNVERIFIED |
| BIBonnell Ind INC | Dixon | — | ◇ UNVERIFIED |
| BTBorgwarner Transmission Systems | Frankfort | — | ◇ UNVERIFIED |
| BPBrake Parts INC | Litchfield | — | ◇ UNVERIFIED |
| BBBrunswick Bicycles | Olney | — | ◇ UNVERIFIED |
| CICamryn Industries LLC | Belvidere | — | ◇ UNVERIFIED |
| CICentral Il Mfg CO | Bement | — | ◇ UNVERIFIED |
| CICenturion Investments Inc-avmats | Mascoutah | — | ◇ UNVERIFIED |
| CLChampion Laboratories INC | West Salem | — | ◇ UNVERIFIED |
| CHChicago Heights Railcar INC | Chicago Heights | — | ◇ UNVERIFIED |
| CDClarin Div of Greenwich Industries LP | Lake Bluff | — | ◇ UNVERIFIED |
| CACollins & Aikman CORP | Rantoul | — | ◇ UNVERIFIED |
| CECrawford Electric Generating Station | Chicago | — | ◇ UNVERIFIED |
| CBCrownline Boats INC | West Frankfort | — | ◇ UNVERIFIED |
| DMDanville Metal Stamping CO | Danville | — | ◇ UNVERIFIED |
| DADura Automotive Systems INC | Stockton | — | ◇ UNVERIFIED |
| DMDynamic Manufacturing- Hillside 5 | Hillside | — | ◇ UNVERIFIED |
| DMDynamic Manufacturing INC | Hillside | — | ◇ UNVERIFIED |
| DMDynamic Mfg INC | Melrose Park | — | ◇ UNVERIFIED |
| EBEnvision Boats INC | Monmouth | — | ◇ UNVERIFIED |
| FMFederal - Mogul Driveline Products | Chicago | — | ◇ UNVERIFIED |
| FPFlex-n-gate Plastics | Danville | — | ◇ UNVERIFIED |
| GEGeneral Electric CO | Morrison | — | ◇ UNVERIFIED |
