| ASAegis Station Infrastructure LLC | Chicago | IL | Transportation Equipment Manufacturing336414 | — | ◐ LIKELY ACTIVE |
| AAA-F Acquisitions LLC | Chicago | IL | Food Manufacturing311225 | 20-99 | ◐ LIKELY ACTIVE |
| APAgnelo Pereira | Chicago | IL | Transportation Equipment Manufacturing336320 | — | ◐ LIKELY ACTIVE |
| AFAlexandra Foods, LLC | Chicago | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| ADAlex Deli | Chicago | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| AMAlex Meats, Inc. | Chicago | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| ABAllen Brothers, 1893, LLC | Chicago | IL | Food Manufacturing311612 | 20-99 | ◐ LIKELY ACTIVE |
| ABAllen Brothers, Inc | Chicago | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| ABAlpha Baking Fullerton | Chicago | IL | Food Manufacturing311812 | 20-99 | ◐ LIKELY ACTIVE |
| ABAlpha Baking Lyndale | Chicago | IL | Food Manufacturing311812 | 100-499 | ◐ LIKELY ACTIVE |
| ABAlpha Baking Polk | Chicago | IL | Food Manufacturing311812 | 500+ | ◐ LIKELY ACTIVE |
| AWAndreu World Chicago INC | Chicago | IL | Furniture and Related Product Manufacturing337211 | — | ◐ LIKELY ACTIVE |
| ABAnichini Bros Inc | Chicago | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| AMArdagh Metal Packaging - Chicago | Chicago | IL | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
| ACAstronics Chicago | Chicago | IL | Transportation Equipment Manufacturing336411 | 1-19 | ◐ LIKELY ACTIVE |
| A2Avenue 27 LLC | Chicago | IL | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| AIAyalytical Instruments, INC | Chicago | IL | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| BWBasic Wire and Cable | Chicago | IL | Electrical Equipment, Appliance & Component Manufacturing335929 | 20-99 | ◐ LIKELY ACTIVE |
| BFBatory Foods - Oakley Facility | Chicago | IL | Food Manufacturing311314 | 20-99 | ◐ LIKELY ACTIVE |
| BDBattaglia Distributing Co Inc | Chicago | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
Bearing Sales Corporation dba Isostatic Industries Inc. | Chicago | IL | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| BMBednar Meats Inc. (DBA-Custom Foods) | Chicago | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| BBeltone | Chicago | IL | Computer and Electronic Product Manufacturing334510 | 100-499 | ◐ LIKELY ACTIVE |
| BTBeppe & the Architect, LLC | Chicago | IL | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| BRBerkshire Refrigerated Warehousing, LLC | Chicago | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| BBIA-Midwest | Chicago | IL | Furniture and Related Product Manufacturing337910 | 100-499 | ◐ LIKELY ACTIVE |
| BBBlind Buried Circuits INC | Chicago | IL | Computer and Electronic Product Manufacturing334418 | — | ◐ LIKELY ACTIVE |
| BPBlind Pig Distilling, LLC | Chicago | IL | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| BWBonafide Wine | Chicago | IL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| BFBox Form Inc. | Chicago | IL | Paper Manufacturing322219 | 20-99 | ◐ LIKELY ACTIVE |
| BSBrella Spirits | Chicago | IL | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| BPBrighton Packing LLC | Chicago | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| BGBruce & Gilmore Supply Company LLC | Chicago | IL | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| BCBway Chicago | Chicago | IL | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
| CWCannon Wear LLC | Chicago | IL | Printing and Related Support Activities323113 | — | ◐ LIKELY ACTIVE |
| CCCAPS Chicago | Chicago | IL | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| CMCath' Management INC. | Chicago | IL | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◐ LIKELY ACTIVE |
Cenveo Worldwide Limited Chicago | Chicago | IL | Paper Manufacturing322230 | 100-499 | ◐ LIKELY ACTIVE |
| CDCh Distillery | Chicago | IL | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| CChi | Chicago | IL | Food Manufacturing311352 | 20-99 | ◐ LIKELY ACTIVE |
| CChicago | Chicago | IL | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| CAChicago Asmby | Chicago | IL | Transportation Equipment Manufacturing336111 | 500+ | ◐ LIKELY ACTIVE |
| CBChicago Bagcraft Novolex Plant | Chicago | IL | Paper Manufacturing322220 | 100-499 | ◐ LIKELY ACTIVE |
| CBChicago Bakery | Chicago | IL | Food Manufacturing311812 | 100-499 | ◐ LIKELY ACTIVE |
| CCChicago Central, IL - Plant - 339 | Chicago | IL | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| CDChicago Distilling Company, LLC | Chicago | IL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CHChicago HQ | Chicago | IL | Food Manufacturing311421 | 100-499 | ◐ LIKELY ACTIVE |
| CICHICAGO, IL container | Chicago | IL | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| CAChicago-il-federal Apd Midway | Chicago | IL | Miscellaneous Manufacturing339113 | 1-19 | ◐ LIKELY ACTIVE |
| CIChicago Illinois | Chicago | IL | Fabricated Metal Product Manufacturing332439 | 1-19 | ◐ LIKELY ACTIVE |