| HEHella Electronics CORP | Flora | 100–499 | ◐ LIKELY ACTIVE |
| LPLeisure Properties LLC D/b/a Crownline Boats | West Frankfort | 20–99 | ◐ LIKELY ACTIVE |
| TCThyssenkrupp Crankshaft CO | Danville | 100–499 | ◐ LIKELY ACTIVE |
| TATower Automotive Operations USA I LLC | Chicago | 100–499 | ◐ LIKELY ACTIVE |
| UMUnity Manufacturing CO | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| ANAntolin Nashville | Nashville | — | ◐ LIKELY ACTIVE |
| BTBorgwarner Transmission Products LLC | Bellwood | — | ◐ LIKELY ACTIVE |
| FCFlex-n-gate CORP | Urbana | 100–499 | ◐ LIKELY ACTIVE |
| GWGuardian West | Urbana | 100–499 | ◐ LIKELY ACTIVE |
| HAHeligear Acquisition CO Dbanorthstar Aerospace (chicago) INC | Bedford Park | — | ◐ LIKELY ACTIVE |
| MDMidland Divison of American Industries | Jerseyville | 20–99 | ◐ LIKELY ACTIVE |
| MTMonroe Truck Equipment | Joliet | 20–99 | ◐ LIKELY ACTIVE |
| NANorth American Lighting INC | Paris | — | ◐ LIKELY ACTIVE |
| NANorth American Lighting INC | Salem | — | ◐ LIKELY ACTIVE |
| PHP & H Mfg CO | Shelbyville | 100–499 | ◐ LIKELY ACTIVE |
| WMWoodward Mpc INC | Niles | 500+ | ◐ LIKELY ACTIVE |
| CLChampion Laboratories INC | Albion | — | ◐ LIKELY ACTIVE |
| DMDynamic Manufacturing CO | Melrose Park | — | ◐ LIKELY ACTIVE |
| ECEakas CORP | Peru | — | ◐ LIKELY ACTIVE |
| FMFord Motor CO. - Chgo Assembly Plant | Chicago | — | ◐ LIKELY ACTIVE |
| GDGreat Dane | Kewanee | — | ◐ LIKELY ACTIVE |
| NANorth American Lighting INC | Flora | — | ◐ LIKELY ACTIVE |
| FMFord Motor CO | Chicago Heights | — | ◇ UNVERIFIED |
| HBHendrickson Bumper & Trim | Crest Hill | — | ◇ UNVERIFIED |
| MMMitsubishi Motors North America INC | Normal | — | ◇ UNVERIFIED |
| HIHeidts Industrial LLC | Lake Zurich | — | ▲ REPORTED CLOSED |
Valqari LLC | Lombard | — | ◐ LIKELY ACTIVE |
| ATAcbl Transportation Svc LLC | Cairo | — | ◐ LIKELY ACTIVE |
| ALAisin Light Metals LLC | Marion | 100–499 | ◐ LIKELY ACTIVE |
| AIAndersons INC the - Danville Rail | Danville | — | ◐ LIKELY ACTIVE |
| ASA. Stucki dba Wheelworx | Pekin | 20–99 | ◐ LIKELY ACTIVE |
| CRCalumet River Fleeting - Chicago Dry Dock | Chicago | 1–19 | ◐ LIKELY ACTIVE |
| CEChemring Energetic Devices INC | Downers Grove | — | ◐ LIKELY ACTIVE |
| DMDanville Metal Stamping 17 oakwood Ave | Danville | 100–499 | ◐ LIKELY ACTIVE |
| DIDynomax, Inc. | Wheeling | 100–499 | ◐ LIKELY ACTIVE |
| EWEagle Wings Industries INC | Rantoul | — | ◐ LIKELY ACTIVE |
| FCFlex-N-Gate Chicago | Chicago | 500+ | ◐ LIKELY ACTIVE |
| GAGe Aviation Systems LLC | Loves Park | — | ◐ LIKELY ACTIVE |
| HSHamilton Sundstrand Corporation | Rockford | — | ◐ LIKELY ACTIVE |
| HSHamilton Sundstrand Corporation | Rockford | — | ◐ LIKELY ACTIVE |
| JCJnr Custo-matic Screw, INC. | Glendale Heights | 20–99 | ◐ LIKELY ACTIVE |
| KMKnapheide Manufacturing 6th & State | Quincy | 20–99 | ◐ LIKELY ACTIVE |
| KMKnapheide Manufacturing CO | Quincy | — | ◐ LIKELY ACTIVE |
| KTKnapheide Truck Equipment CO | Quincy | — | ◐ LIKELY ACTIVE |
| MEMagna Exteriors Belvidere (2) | Belvidere | 20–99 | ◐ LIKELY ACTIVE |
| NMNational Maintenance & Repair INC | Hartford | — | ◐ LIKELY ACTIVE |
| PBPrikos & Becker | Skokie | 20–99 | ◐ LIKELY ACTIVE |
| PMPrincipal Manufacturing Corporation | Braodview | 100–499 | ◐ LIKELY ACTIVE |
| RMRandall Manufacturing LLC | Elmhurst | 20–99 | ◐ LIKELY ACTIVE |
| RCRicon CORP | Buffalo Grove | 20–99 | ◐ LIKELY ACTIVE |