| SESouth Elgin Yard 287 | Elgin | IL | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| STSt.Charles Trading Inc | Elgin | IL | Food Manufacturing311999 | 20-99 | ◐ LIKELY ACTIVE |
| SEStratasys Elgin | Elgin | IL | Machinery Manufacturing333248 | 1-19 | ◐ LIKELY ACTIVE |
| TLTeledyne LeCroy Elgin | Elgin | IL | Computer and Electronic Product Manufacturing334515 | 20-99 | ◐ LIKELY ACTIVE |
| TIThe Itreeware Group LLC | Elgin | IL | Chemical Manufacturing325620 | — | ◐ LIKELY ACTIVE |
| WSWeber Stephen Products LLC | Elgin | IL | Electrical Equipment, Appliance & Component Manufacturing335220 | 20-99 | ◐ LIKELY ACTIVE |
| XSXeikon (a subsidiary of Flint Group Packaging Ink North America Corp) | Elgin | IL | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| AIAwesomecampaigns.com INC. | Elgin | IL | Printing and Related Support Activities323119 | 1-19 | ◇ UNVERIFIED |
| CACharter Automotive | Elgin | IL | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| CCCustom Color Ink & Coating, Inc. | Elgin | IL | Chemical Manufacturing325998 | 1-19 | ◇ UNVERIFIED |
| DPDirect Pallet, INC. | Elgin | IL | Wood Product Manufacturing321920 | 20-99 | ◇ UNVERIFIED |
| JPJohn P. O'Malley DBA Ozark Sign Group | Elgin | IL | Miscellaneous Manufacturing339950 | 1-19 | ◇ UNVERIFIED |
| LDLabels & Decals International, Inc. | Elgin | IL | Printing and Related Support Activities323111 | 1-19 | ◇ UNVERIFIED |
| MIMacCARB, Inc. | Elgin | IL | Chemical Manufacturing325998 | 20-99 | ◇ UNVERIFIED |
| PCPoly Compounding LLC | Elgin | IL | Chemical Manufacturing325991 | 1-19 | ◇ UNVERIFIED |
| VTVf Transformer | Elgin | IL | Electrical Equipment, Appliance & Component Manufacturing335311 | 100-499 | ◇ UNVERIFIED |
| AWAdp Water Reclamation Facility | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| APA&e Plastics, LLC | Elgin | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| APAmm Petro INC | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BIBergen International, LLC | Elgin | IL | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| BCBiggers Chevrolet INC | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BBodycote | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BABp Amoco | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BIBrandenburg Industrial Service CO | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BTBus Transportation Ctr | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CLCambridge LLC | Elgin | IL | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CTCement Transport Company | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CKCitgo K Boil CORP | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CWCoco Winter Properties LLC | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CEComed Elgin | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CIConopco INC D B a Lipton | Elgin | IL | Food Manufacturing311222 | — | ◇ UNVERIFIED |
| CKCook & Kane INC | Elgin | IL | Leather and Allied Product Manufacturing316110 | — | ◇ UNVERIFIED |
| COCreekside Operating LLC | Elgin | IL | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| DSDiversified Sales, LLC | Elgin | IL | Computer and Electronic Product Manufacturing334118 | — | ◇ UNVERIFIED |
| DLDnm LLC | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| EPEngineered Performance Polymers, LLC | Elgin | IL | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
 Fleet Maintenance | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| FIFoderaro Industrial Holdings, LLC | Elgin | IL | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◇ UNVERIFIED |
| FRFox River Water Reclamation District | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| HFH.b. Fuller Company | Elgin | IL | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| HEHertz Equipment Rental | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| HSHoward Sportswear Graphics Express, INC. | Elgin | IL | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| HSH & Sons INC | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| HCHydrox Chemical Company, INC. | Elgin | IL | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| IGIgna Group Corp | Elgin | IL | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| INItw North America Metal Fasteners | Elgin | IL | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| JWJerry's Welding INC. | Elgin | IL | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| KRKrish Ria INC Dba Elgin Mart | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LMLa Metal Polishing | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LTLorchem Technologies, INC. | Elgin | IL | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
