| BIBrigitflex INC | Elgin | IL | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
Core Bomb INC | Elgin | IL | Miscellaneous Manufacturing339920 | — | ◐ LIKELY ACTIVE |
| FPFirst Priority INC | Elgin | IL | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
Hardinge Grinding Group INC | Elgin | IL | Machinery Manufacturing333517 | — | ◐ LIKELY ACTIVE |
| KTKreis Tool & Manufacturing Co., INC. | Elgin | IL | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| PCPrice Circuits LLC | Elgin | IL | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| PIPrintpack INC | Elgin | IL | Plastics and Rubber Products Manufacturing326112 | — | ◐ LIKELY ACTIVE |
Sunset Healthcare Solutions, INC | Elgin | IL | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| EMElgin Molded Plastics LLC | Elgin | IL | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| HPHagg Press INC | Elgin | IL | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CIColony INC | Elgin | IL | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| FCFour Cents Holdings LLC - DBA NGS Printing | Elgin | IL | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| GCGerali Custom Design, INC. | Elgin | IL | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
Hansen Plastics CORP. | Elgin | IL | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| MPMultifilm Packaging CORP | Elgin | IL | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| OKO'hare Kars INC | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
| PLPregis LLC | Elgin | IL | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
| PMProampac Multifilm INC | Elgin | IL | Printing and Related Support Activities323120 | — | ◐ LIKELY ACTIVE |
| PFProfile Food Ingredients, INC. | Elgin | IL | Food Manufacturing311999 | — | ◐ LIKELY ACTIVE |
| TMThunderbird Molding Illinois LLC | Elgin | IL | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| UCUniversal Chemicals and Coatings, INC. | Elgin | IL | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| YCYork Container Company INC | Elgin | IL | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| AIAstroblast INC | Elgin | IL | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| EDExclusive Design Cabinetry | Elgin | IL | Furniture and Related Product Manufacturing337110 | — | ◐ LIKELY ACTIVE |
| LILawter INC | Elgin | IL | Chemical Manufacturing325998 | 100-499 | ◐ LIKELY ACTIVE |
| OOldcastle | Elgin | IL | Nonmetallic Mineral Product Manufacturing327332 | — | ◐ LIKELY ACTIVE |
| PPProven Partners Group | Elgin | IL | Food Manufacturing311999 | — | ◐ LIKELY ACTIVE |
| 737-eleven 33135 | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AIAlchemitron INC | Elgin | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| APAmax Plating Incorporated | Elgin | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| AEAmeren - Elgin Energy Center | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| AIAmerichem INC | Elgin | IL | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| BABall Aerosol & Specialty Container INC | Elgin | IL | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| BTBalzers Tool Coating INC | Elgin | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DED E H Printed Circuits | Elgin | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| DDDsm Desotech INC | Elgin | IL | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ECElmhurst Chicago Stone | Elgin | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| GPGraphic Packaging International LLC - Elgin | Elgin | IL | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| HAHenkel Adhesives Corporation | Elgin | IL | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| HSHinckley Springs | Elgin | IL | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| HGHytel Group | Elgin | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| ITIllinois Tool Works | Elgin | IL | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| ICImage Circuit INC | Elgin | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| IIIndevcon INC | Elgin | IL | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| IBItw Buildex | Elgin | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| JBJohn B Sanfilippo & Sons INC | Elgin | IL | Food Manufacturing311911 | — | ◇ UNVERIFIED |
| KEKinney Electrical Mfg CO | Elgin | IL | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◇ UNVERIFIED |
| LFLaird Funeral Home | Elgin | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MMMaster Molded Products | Elgin | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MCMiddleby Cooking System | Elgin | IL | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |