| APA.a. Pallet, INC. | Chicago | IL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| ASAbitua Sewer Water & Plumbing | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ASAbitua Sewer Water & Plumbing INC | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| AMAb Marathon | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AIAccutech INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ASAce Styline Millwork Cabinetry | Chicago | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| AIAcl INC | Chicago | IL | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| ASAcl Staticide | Chicago | IL | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| AIAcme Ice CO | Chicago | IL | Beverage and Tobacco Product Manufacturing312113 | — | ◇ UNVERIFIED |
| AIAcura INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| APAdams Plastics LP | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AIAde, INC. | Chicago | IL | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| ABAdello Biologics LLC | Chicago | IL | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ASAdvanced Security Group INC | Chicago | IL | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| APAdvance Plastic CORP. | Chicago | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ASAdvantage Structures LLC | Chicago | IL | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| ABAetna Bearing CO | Chicago | IL | Fabricated Metal Product Manufacturing332991 | — | ◇ UNVERIFIED |
| AEAetna Engineering Works INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AEAira Enterprises | Chicago | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| AWAisha Wash & Fuel Island | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ASAj Svcs Ctr | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ATAj Trucking LLC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ABAl-Amir Bakery, Inc. | Chicago | IL | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| ADAldan Dental Studio Holdco LLC | Chicago | IL | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| AMAllied Metal CO | Chicago | IL | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| AMAll Masonry | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AMAll Metal Solutions, INC | Chicago | IL | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| ARAll Right Sign, INC | Chicago | IL | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| ASAll Star Professional Coatings | Chicago | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| ABAlpha Baking CO | Chicago | IL | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| ADAlpine Demolition Services | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ADAlpine Demolition Services LLC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ASAmazon.com Svcs LLC | Chicago | IL | Primary Metal Manufacturing331000 | — | ◇ UNVERIFIED |
| AAAmerican Axle & Manufacturing Holdings, INC. | Chicago | IL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| ADAmerican Demolition CORP | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ADAmerican Demolition CORP | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ADAmerican Demolition CORP | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ADAmerican Demolition CORP | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ALAmerican Labelmark Company Dba Labelmaster | Chicago | IL | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| AMAmerican Mail-well Envelope | Chicago | IL | Paper Manufacturing322230 | — | ◇ UNVERIFIED |
| ASAmerican Sugar Refining INC. | Chicago | IL | Food Manufacturing311312 | — | ◇ UNVERIFIED |
| AIAmiberica, INC | Chicago | IL | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| AAmoco | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AAmoco | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AJAmoco - Jabs CORP | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AAmstar | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ACAnderson Casting Co., INC. | Chicago | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| AEAngela Enterprises INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AOAngel Oil CO | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AMAntek Madison Plastics Usa, LTD | Chicago | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
