| AMAllied Metal CO | Chicago | IL | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| BMBullen Midwest INC | Chicago | IL | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CICargill, Inc.industrial Oils & Lubricant | Chicago | IL | Food Manufacturing311225 | — | ◇ UNVERIFIED |
| CTChicago Turnrite CO | Chicago | IL | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
 Color Communications, INC. | Chicago | IL | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| EMEdsal Mfg CO INC | Chicago | IL | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| EPElastomer Processing Group - Chicago | Chicago | IL | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| EHEmpire Hard Chrome | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| EHEmpire Hard Chrome INC | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| FCFerrara Candy CO | Chicago | IL | Food Manufacturing311340 | — | ◇ UNVERIFIED |
| GIGatto Industrial Platers INC | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| GAGcp Applied Technologies | Chicago | IL | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| HIHolcim (us) INC | Chicago | IL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| IGIcp Group | Chicago | IL | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| JIJernberg Industries INC | Chicago | IL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| LML & M Cast Stone INC | Chicago | IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| MIMidland Industries INC | Chicago | IL | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| MRMidwestern Rust Proof INC | Chicago | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MGMw Galvanizing INC | Chicago | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| NPNobert Plating CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| OSOrlandi Statuary | Chicago | IL | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| OCOzinga Chicago Rmc INC | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OROzinga Ready Mix Company | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OROzinga Ready-mix Concrete - Chinatown | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRyerson Coil Pickling | Chicago | IL | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| SCSherwin-williams CO | Chicago | IL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SISwitchcraft INC | Chicago | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| TSTemtco Steel INC | Chicago | IL | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| UEUniversal Electric Foundry INC | Chicago | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1005 | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC Yard 1033 | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VPVcna Prairie Inc-yard 1032 | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WFWatersaver Faucet CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| AFAbbey Finishing CORP | Chicago | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| APAce Plating CO | Chicago | IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| ADAction Disposal | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ARAction Rack & Mfg CO | Chicago | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| ACAdjustable Clamp CO | Chicago | IL | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| AMAdm Milling CO | Chicago | IL | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| APAero Plating Works | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| AFA Finkl & Sons CO | Chicago | IL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| AUAirgas USA LLC | Chicago | IL | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| APAkers Packaging Service INC | Chicago | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| ARA-korn Roller INC | Chicago | IL | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| ABAl-amir Bakery INC D/b/a Sanabel Bakery | Chicago | IL | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| AHAllied Hastings Barrel Drum Service | Chicago | IL | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| AKAltman & Koehler Foundry CO INC | Chicago | IL | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| ARAltman Ron | Chicago | IL | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| AAlumetco | Chicago | IL | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| APAmber Plating Works INC | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
