| APAccurate Perforating Co., INC. | Chicago | 100–499 | ● ACTIVE |
American Grinding & Machine CO | Chicago | 20–99 | ● ACTIVE |
| CPCentury Plating CO INC | Chicago | 20–99 | ● ACTIVE |
Cornell Forge Company | Chicago | 100–499 | ● ACTIVE |
Fotofab, LLC | Chicago | 20–99 | ● ACTIVE |
Servi-sure, LLC | Chicago | — | ● ACTIVE |
| SISkolnik Industries LLC | Chicago | 100–499 | ● ACTIVE |
A. Finkl & Sons CO. | Chicago | — | ● ACTIVE |
Alanson Mfg L.l.c | Chicago | — | ● ACTIVE |
Chicago Anodizing CO | Chicago | — | ● ACTIVE |
| CMChicago Metal Rolled Products Company | Chicago | 20–99 | ● ACTIVE |
Columbia Metal Spinning CO | Chicago | 20–99 | ● ACTIVE |
Equinox Group INC | Chicago | — | ● ACTIVE |
Nkp Metals LLC | Chicago | — | ● ACTIVE |
| RPReliable Plating CORP | Chicago | — | ● ACTIVE |
Stanley Spring and Stamping CORP | Chicago | 20–99 | ● ACTIVE |
Sterling Spring LLC | Chicago | 20–99 | ● ACTIVE |
| AWAcorn Wire and Iron Works LLC | Chicago | — | ● ACTIVE |
American Name Plate & Metal Decorating Company | Chicago | — | ● ACTIVE |
| AHApplied Hydraulics Corporation | Chicago | — | ● ACTIVE |
Aztec Plastic Company | Chicago | — | ● ACTIVE |
Burhani Enterprises INC | Chicago | — | ● ACTIVE |
| CCCall-oneill Containers LLC | Chicago | — | ● ACTIVE |
Chicago Metal Fabricators INC | Chicago | — | ● ACTIVE |
Chicago Ornamental Iron INC | Chicago | — | ● ACTIVE |
Dirtt Environmental Solutions, INC | Chicago | — | ● ACTIVE |
Flexicraft Industries, INC. | Chicago | — | ● ACTIVE |
Gmi Metalworks LLC | Chicago | — | ● ACTIVE |
Great Lakes Forge Company | Chicago | — | ● ACTIVE |
Haberkamp Industries, INC. | Chicago | — | ● ACTIVE |
Hcg Marketing Ventures LLC | Chicago | — | ● ACTIVE |
Lawson Products, INC. | Chicago | — | ● ACTIVE |
Milton Industries, INC | Chicago | — | ● ACTIVE |
Titan Product Development LLC | Chicago | — | ● ACTIVE |
Vector Custom Fabricating INC | Chicago | — | ● ACTIVE |
| CSChicago Steel Container CORP | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| CIChromium Industries LLC | Chicago | 1–19 | ◐ LIKELY ACTIVE |
| GEG E Mathis | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| LFLarson Forgings | Chicago | — | ◐ LIKELY ACTIVE |
| LMLaystrom Manufacturing CO. | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| NPNobert Plating CO | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| PPPrecision Plating CO | Chicago | 100–499 | ◐ LIKELY ACTIVE |
| TATower Automotive Operations USA I LLC | Chicago | 100–499 | ◐ LIKELY ACTIVE |
| AEAble Electro-polishing CO | Chicago | — | ◐ LIKELY ACTIVE |
| BCBway CORP | Chicago | — | ◐ LIKELY ACTIVE |
| IPImperial Plating CO | Chicago | — | ◐ LIKELY ACTIVE |
| SMSoudan Metals Company INC. | Chicago | 20–99 | ◐ LIKELY ACTIVE |
| AMArdagh Metal Beverage USA INC | Chicago | — | ◐ LIKELY ACTIVE |
| MSMeyer Steel Drum INC | Chicago | — | ◐ LIKELY ACTIVE |
| CTChicago Turnrite CO | Chicago | — | ◇ UNVERIFIED |