| UMUS Motor Recycling | Chicago | — | ◇ UNVERIFIED |
| VAVp Anodizing | Chicago | — | ◇ UNVERIFIED |
| VPVp Plating | Chicago | — | ◇ UNVERIFIED |
| WSWesco Spring CO | Chicago | — | ◇ UNVERIFIED |
| YPYale Polishing & Plating | Chicago | — | ◇ UNVERIFIED |
| AAA & a Logistics and Supplies Inc., | Chicago | — | ◐ LIKELY ACTIVE |
| AMArdagh Metal Packaging - Chicago | Chicago | 100–499 | ◐ LIKELY ACTIVE |
Bearing Sales Corporation dba Isostatic Industries Inc. | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| BCBway Chicago | Chicago | 100–499 | ◐ LIKELY ACTIVE |
| CECharles E Larson & Sons INC | Chicago | — | ◐ LIKELY ACTIVE |
| CIChicago Illinois | Chicago | 1–19 | ◐ LIKELY ACTIVE |
| CChicago (Temtco) | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| CMCleats, Mfg. | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| CGClimate Guard | Chicago | 100–499 | ◐ LIKELY ACTIVE |
| DBDudek & Bock Spring Mfg. Co. | Chicago | 100–499 | ◐ LIKELY ACTIVE |
| EIEdwards International LLC | Chicago | — | ◐ LIKELY ACTIVE |
| ETErva Tool & Die Co., Inc. | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| HHHarmony Haven Establishment LLC | Chicago | — | ◐ LIKELY ACTIVE |
| HPH&K Perforating LLC | Chicago | 1–19 | ◐ LIKELY ACTIVE |
| KMKCP Metal Fabrications, Inc. | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| MMauser | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| NHNew Hudson Facades - IL | Chicago | 1–19 | ◐ LIKELY ACTIVE |
| PSParagon Spring Company | Chicago | — | ◐ LIKELY ACTIVE |
| PAPursuit Aerospace - Larson Forge | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| RCR C Industries INC | Chicago | — | ▲ REPORTED CLOSED |
| RMRi-del Manufacturing INC | Chicago | — | ◐ LIKELY ACTIVE |
| RRockfon | Chicago | 100–499 | ◐ LIKELY ACTIVE |
| SOSp One Global Group INC | Chicago | — | ◐ LIKELY ACTIVE |
| TAThe Advance Equipment Manufacturing Co. | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| WSWorthington Steel Company Chicago | Chicago | 100–499 | ◐ LIKELY ACTIVE |
| WEW.W. Engineering | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| OLOptimum Logistic Solutions LLC | Chicago | — | ◐ LIKELY ACTIVE |
| SASlidematic Acquisition, LLC | Chicago | — | ◐ LIKELY ACTIVE |
| SISkw Industries LLC | Chicago | — | ◇ UNVERIFIED |
| 4W4340 W 47th St LLC | Chicago | — | ◇ UNVERIFIED |
| ASAdvanced Security Group INC | Chicago | — | ◇ UNVERIFIED |
| ASAdvantage Structures LLC | Chicago | — | ◇ UNVERIFIED |
| ABAetna Bearing CO | Chicago | — | ◇ UNVERIFIED |
| ASAll Star Professional Coatings | Chicago | — | ◇ UNVERIFIED |
| AAAmerican Axle & Manufacturing Holdings, INC. | Chicago | — | ◇ UNVERIFIED |
| ARAssociated Rack Corporation Dba American Rack Company | Chicago | — | ◇ UNVERIFIED |
| ACAvis Commercial | Chicago | — | ◇ UNVERIFIED |
| BMBright Metal Finishing CO | Chicago | — | ◇ UNVERIFIED |
| CCCalumet Container Corporation | Chicago | — | ◇ UNVERIFIED |
| CTCasward Tool Works | Chicago | — | ◇ UNVERIFIED |
| CBC & B Welders, INC. | Chicago | — | ◇ UNVERIFIED |
Chicago Anodizing Company | Chicago | — | ◇ UNVERIFIED |
Chicago Anodizing Company | Chicago | — | ◇ UNVERIFIED |
Chicago Anodizing Company | Chicago | — | ◇ UNVERIFIED |
| CMChicago Metal Polishing | Chicago | — | ◇ UNVERIFIED |