| ACAdvanced Circuits Aurora Plant | Aurora | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CCCrown Cork & Seal CO (usa) | Aurora | IL | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| FPFiberglass Products | Aurora | NE | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FFFoster Farms Donald | Aurora | OR | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| FVFox Valley Forge CO | Aurora | IL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| HSHenkel Surface Technologies | Aurora | IL | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| HIHolcim-wcr INC - Sand Cree | Aurora | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| JBJ B Inds INC | Aurora | IL | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| LFLinpac Filmco INC | Aurora | OH | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| MMMartin Marietta - 2401 Picadilly Rd | Aurora | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MMMartin Marietta Chambers Ready Mix | Aurora | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RURahn USA CORP | Aurora | IL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
 Spg International LLC Br #x032 Universal Brand | Aurora | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| VCVwr Chemicals LLC | Aurora | OH | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RPRoyal Printing Solutions | Aurora | CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| AMAdvanced Material Svcs | Aurora | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr INC. Gun Club Ready Mix Plant | Aurora | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr, INC. -havana | Aurora | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ACAll Cleaners | Aurora | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ACAmes Construction Inc.cn | Aurora | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| ASArchitectural Systems INC Aurora | Aurora | MO | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| APAtmi Precast | Aurora | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ACAurora Casket Company | Aurora | IN | Miscellaneous Manufacturing339995 | — | ◇ UNVERIFIED |
| ACAurora Circuits LLC | Aurora | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| ACAurora Co-op Elevator Company | Aurora | NE | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| ADAurora Distribution Center - 3m Company | Aurora | IL | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| AEAurora Equipment CO | Aurora | IL | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| ASAurora Specialty Textiles Group INC | Aurora | IL | Textile Mills313311 | — | ◇ UNVERIFIED |
| BPBerry Plastics | Aurora | IL | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| BCBoeing Company-3800 Lewiston Generator | Aurora | CO | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| BBBrk Brands INC | Aurora | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CMCabot Microelectronics CORP | Aurora | IL | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CCCajon CO Aurora | Aurora | OH | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CUChep USA | Aurora | IL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| CTCoffman Truck Sales INC | Aurora | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CCColumbine Container CORP | Aurora | CO | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| CFConagra Foods Packaged Foods - Aurora | Aurora | CO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CBCooper B-line | Aurora | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CMCore Metals Group LLC (mpm Facility) | Aurora | IN | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
 Drake Williams Steel | Aurora | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DDDunlee Div of Philips Medical Systems Cleveland INC | Aurora | IL | Computer and Electronic Product Manufacturing334517 | — | ◇ UNVERIFIED |
| EAEaton Aviation Corporation | Aurora | CO | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| ECEaton CORP Aurora | Aurora | OH | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| EHEdward Hines Precision Staining CO | Aurora | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ECEngineered Custom Lubricants | Aurora | IL | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| ETEpix Tube Company, INC. | Aurora | IL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| FFactor75 | Aurora | IL | Food Manufacturing311991 | — | ◇ UNVERIFIED |
| FWFcp Webindery INC | Aurora | IL | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| FIFiberbasin INC | Aurora | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FIFiberbasin INC | Aurora | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
