| UAUnited American Metal | Chicago | IL | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| UMUnited Metal Finishers | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| UDUS Diecasting INC | Chicago | IL | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| UMUS Motor Recycling | Chicago | IL | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| USUS Steel - Gary Works | Chicago | IL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois Building Materials LLC Yard 1007 | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VPVcna Prairie Illinois INC P118 | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VBVienna Beef | Chicago | IL | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| VIVision Integrated Graphics LLC | Chicago | IL | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| VDVj Dolan & CO INC | Chicago | IL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| VAVp Anodizing | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| VPVp Plating | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| WFWagner Foundry INC | Chicago | IL | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| WMWaste Management of Il./cid Transfer Sta | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| WRWelsch Ready Mix Plant | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WSWesco Spring CO | Chicago | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| WPWestrock Packaging Systems LLC | Chicago | IL | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| WCWeyerhaeuser CO | Chicago | IL | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| WYWilliam Yuenger Manufacturing CO | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| WEWm E Wright CO | Chicago | IL | Miscellaneous Manufacturing339993 | — | ◇ UNVERIFIED |
| WCWood Creations INC | Chicago | IL | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| WFWorlds Finest Chocolate INC | Chicago | IL | Food Manufacturing311320 | — | ◇ UNVERIFIED |
| WPWrico Packaging | Chicago | IL | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| WMWrigley Manufacturing Company | Chicago | IL | Food Manufacturing311340 | — | ◇ UNVERIFIED |
| WNW-z Nma Office Owner Viii LLC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| YPYale Polishing & Plating | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ZIZarco Industries INC | Chicago | IL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ZLZf Lemforder | Chicago | IL | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| AAAabbitt Adhesives, INC. | Chicago | IL | Chemical Manufacturing325520 | 1-19 | ◇ UNVERIFIED |
| AMAbbey Metal Services, INC | Chicago | IL | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| AIAde, INC. | Chicago | IL | Plastics and Rubber Products Manufacturing326140 | 1-19 | ◇ UNVERIFIED |
| ASAdvanced Security Group INC | Chicago | IL | Fabricated Metal Product Manufacturing332510 | 1-19 | ◇ UNVERIFIED |
| AEAdvance Enameling CO | Chicago | IL | Fabricated Metal Product Manufacturing332812 | 20-99 | ◇ UNVERIFIED |
| ALA. Lava & Son Co. | Chicago | IL | Furniture and Related Product Manufacturing337910 | — | ◇ UNVERIFIED |
| AMAll Metal Solutions, INC | Chicago | IL | Machinery Manufacturing333999 | 1-19 | ◇ UNVERIFIED |
| AEArtistry Engraving and Embossing | Chicago | IL | Miscellaneous Manufacturing339999 | 1-19 | ◇ UNVERIFIED |
| AWA.w.t. World Trade INC | Chicago | IL | Machinery Manufacturing333292 | — | ◇ UNVERIFIED |
| BWBecker Works, Ltd. | Chicago | IL | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◇ UNVERIFIED |
| BWBecker Works, Ltd. | Chicago | IL | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◇ UNVERIFIED |
| BDBest Diamond Plastics, LLC | Chicago | IL | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◇ UNVERIFIED |
| BSBridgewater Studio INC | Chicago | IL | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| BMBright Metal Finishing CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| BABroadway and Briar LLC | Chicago | IL | Beverage and Tobacco Product Manufacturing312120 | 20-99 | ◇ UNVERIFIED |
| CTCheap Tart Bakery, LLC | Chicago | IL | Food Manufacturing311811 | 100-499 | ◇ UNVERIFIED |
| CMChicago Metal Polishing | Chicago | IL | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| CDComputer Digital Imaging, CORP. | Chicago | IL | Printing and Related Support Activities323115 | 1-19 | ◇ UNVERIFIED |
| CWContinental Windows and Glass Corporation | Chicago | IL | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◇ UNVERIFIED |
| CGCorporate Graphics of America, Incorporated. | Chicago | IL | Printing and Related Support Activities323111 | 1-19 | ◇ UNVERIFIED |
| DPDario's Pallets, CORP. | Chicago | IL | Wood Product Manufacturing321920 | 1-19 | ◇ UNVERIFIED |
| DGD & G Pallet Service, INC. | Chicago | IL | Wood Product Manufacturing321920 | 20-99 | ◇ UNVERIFIED |
