| CSChicago Steel Container CORP | Chicago | IL | Fabricated Metal Product Manufacturing332439 | 20-99 | ◐ LIKELY ACTIVE |
| CIChromium Industries LLC | Chicago | IL | Fabricated Metal Product Manufacturing332410 | 1-19 | ◐ LIKELY ACTIVE |
| GEG E Mathis | Chicago | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| LFLarson Forgings | Chicago | IL | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| LMLaystrom Manufacturing CO. | Chicago | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| NPNobert Plating CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| PPPrecision Plating CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| TATower Automotive Operations USA I LLC | Chicago | IL | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| AEAble Electro-polishing CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| BCBway CORP | Chicago | IL | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| IPImperial Plating CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| SMSoudan Metals Company INC. | Chicago | IL | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| AMArdagh Metal Beverage USA INC | Chicago | IL | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| MSMeyer Steel Drum INC | Chicago | IL | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| ASAnderson Shumaker Company, LLC | Chicago | IL | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
Foster Works LLC | Chicago | IL | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| CTCalumet Tank & Equipment CO | Chicago | IL | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| CAChicago American Manufacturing LLC | Chicago | IL | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| DADavid Architectural Metals INC | Chicago | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| GSGeneral Surface Hardening | Chicago | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| GSGilbert Spring Corporation | Chicago | IL | Fabricated Metal Product Manufacturing332613 | 20-99 | ◐ LIKELY ACTIVE |
| RBR & B Powder Coating | Chicago | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| UPUS Plating CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| WIWiremasters, Incorporated | Chicago | IL | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| ANAmerican Nickel Works | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| DPDavies Plating INC | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| GPGriffin Plating CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| MSMeyer Steel Drum INC | Chicago | IL | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| PBProgressive Bronze Products LLC | Chicago | IL | Fabricated Metal Product Manufacturing332117 | — | ◐ LIKELY ACTIVE |
| SPSkild Plating INC | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| AAA & a Logistics and Supplies Inc., | Chicago | IL | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| AMArdagh Metal Packaging - Chicago | Chicago | IL | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
Bearing Sales Corporation dba Isostatic Industries Inc. | Chicago | IL | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| BCBway Chicago | Chicago | IL | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
| CIChicago Illinois | Chicago | IL | Fabricated Metal Product Manufacturing332439 | 1-19 | ◐ LIKELY ACTIVE |
| CChicago (Temtco) | Chicago | IL | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| CMCleats, Mfg. | Chicago | IL | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| CGClimate Guard | Chicago | IL | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| DBDudek & Bock Spring Mfg. Co. | Chicago | IL | Fabricated Metal Product Manufacturing332613 | 100-499 | ◐ LIKELY ACTIVE |
| EIEdwards International LLC | Chicago | IL | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| ETErva Tool & Die Co., Inc. | Chicago | IL | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| HHHarmony Haven Establishment LLC | Chicago | IL | Fabricated Metal Product Manufacturing332323 | — | ◐ LIKELY ACTIVE |
| HPH&K Perforating LLC | Chicago | IL | Fabricated Metal Product Manufacturing332119 | 1-19 | ◐ LIKELY ACTIVE |
| KMKCP Metal Fabrications, Inc. | Chicago | IL | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| MMauser | Chicago | IL | Fabricated Metal Product Manufacturing332439 | 20-99 | ◐ LIKELY ACTIVE |
| NHNew Hudson Facades - IL | Chicago | IL | Fabricated Metal Product Manufacturing332323 | 1-19 | ◐ LIKELY ACTIVE |
| PSParagon Spring Company | Chicago | IL | Fabricated Metal Product Manufacturing332613 | — | ◐ LIKELY ACTIVE |
| RMRi-del Manufacturing INC | Chicago | IL | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| RRockfon | Chicago | IL | Fabricated Metal Product Manufacturing332323 | 100-499 | ◐ LIKELY ACTIVE |
| SOSp One Global Group INC | Chicago | IL | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |