| AEAble Electro-polishing CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| ASAnderson Shumaker Company, LLC | Chicago | IL | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| ATAtlas Tube INC | Chicago | IL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| CWCardwell Westinghouse | Chicago | IL | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| 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 |
| ESEnameled Steel and Sign CO | Chicago | IL | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| GEG E Mathis | Chicago | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| GEGold Eagle CO | Chicago | IL | Petroleum and Coal Products Manufacturing324191 | 100-499 | ◐ LIKELY ACTIVE |
| GIGoose Island Beer CO | Chicago | IL | Beverage and Tobacco Product Manufacturing312120 | — | ◐ LIKELY ACTIVE |
| HTHb Taylor CO | Chicago | IL | Food Manufacturing311224 | 20-99 | ◐ LIKELY ACTIVE |
| IPImperial Plating CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| IZImperial Zinc CORP | Chicago | IL | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |
| IMInternational Meat Co. | Chicago | IL | Food Manufacturing311611 | 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 |
| MPMercury Plastics, INC. | Chicago | IL | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| MBMeskan Brass Foundry | Chicago | IL | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| MGMondelez Global LLC | Chicago | IL | Food Manufacturing311812 | 500+ | ◐ LIKELY ACTIVE |
| NPNational Power LLC | Chicago | IL | Electrical Equipment, Appliance & Component Manufacturing335911 | 20-99 | ◐ LIKELY ACTIVE |
| NPNaylor Pipe CO | Chicago | IL | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| NWNewly Weds Foods INC | Chicago | IL | Food Manufacturing311812 | 100-499 | ◐ LIKELY ACTIVE |
| NPNobert Plating CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| NPNobert Plating CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| OIOsi Industries Incorporated | Chicago | IL | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| OIOsi Industries LLC | Chicago | IL | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| PPPrecision Plating CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| PCPrimrose Candy Company | Chicago | IL | Food Manufacturing311340 | 100-499 | ◐ LIKELY ACTIVE |
| SMSoudan Metals Company INC. | Chicago | IL | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| TRTootsie Roll Industries LLC | Chicago | IL | Food Manufacturing311330 | 500+ | ◐ LIKELY ACTIVE |
| TATower Automotive Operations USA I LLC | Chicago | IL | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| UFUnited Foods | Chicago | IL | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| UMUnity Manufacturing CO | Chicago | IL | Electrical Equipment, Appliance & Component Manufacturing335110 | 20-99 | ◐ LIKELY ACTIVE |
| VOVantage Oleochemicals | Chicago | IL | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| WTWheatland Tube CO - Chicago Div | Chicago | IL | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| BSButler Specialty | Chicago | IL | Furniture and Related Product Manufacturing337122 | 20-99 | ◐ LIKELY ACTIVE |
| EHEmpire Hard Chrome | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| FMFinished Metals INC | Chicago | IL | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| GIGatto Industrial Platers INC | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| GIGenieco INC | Chicago | IL | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| IEInglot Electronics CORP | Chicago | IL | Electrical Equipment, Appliance & Component Manufacturing335311 | 20-99 | ◐ LIKELY ACTIVE |
| ICInterior Crafts INC | Chicago | IL | Furniture and Related Product Manufacturing337122 | 1-19 | ◐ LIKELY ACTIVE |
| MIMidland Industries INC | Chicago | IL | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |
| MAMike's Anodizing CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| OKO & K American CORP. | Chicago | IL | Primary Metal Manufacturing331111 | 100-499 | ◐ LIKELY ACTIVE |
| OSOrlandi Statuary | Chicago | IL | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| PAPure Asphalt Company | Chicago | IL | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| SBS & B Finishing CO INC | Chicago | IL | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| VFVita Food Products INC | Chicago | IL | Food Manufacturing311710 | 1-19 | ◐ LIKELY ACTIVE |
| WFWatersaver Faucet CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |