| WHWilliams Healthcare Systems LLC | Elgin | IL | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| CSCap & Seal LP | Elgin | IL | Miscellaneous Manufacturing339991 | 20-99 | ◐ LIKELY ACTIVE |
| CPChemtech Plastics, Inc. | Elgin | IL | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| NDNewhaven Display International INC | Elgin | IL | Computer and Electronic Product Manufacturing334419 | 20-99 | ◐ LIKELY ACTIVE |
| WEWeiler Engineering INC | Elgin | IL | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| 1A1st Ayd Corporation | Elgin | IL | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| HUHenkel US Operating CORP | Elgin | IL | Wood Product Manufacturing321911 | — | ◐ LIKELY ACTIVE |
| UBUS Brick Elgin Plant | Elgin | TX | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| AEAdvance Engineering CORP | Elgin | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| 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 |
| 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 |
| BMBoggs Materials INC Elgin Plant | Elgin | SC | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
Boise Cascade - Elgin Complex | Elgin | OR | Wood Product Manufacturing321113 | — | ◐ LIKELY ACTIVE |
| CVCallaghan Vineyards | Elgin | AZ | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| 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 |
| HCHenkel CORP | Elgin | IL | Chemical Manufacturing325520 | 20-99 | ◐ 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 |
| SVSonoita Vineyards, LTD. | Elgin | AZ | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| SMSouthside Market & Barbeque | Elgin | TX | Food Manufacturing311612 | 20-99 | ◐ LIKELY ACTIVE |
| SCStaffords Custom Meats | Elgin | OR | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| SCStrata Concrete-elgin | Elgin | ND | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SSSuncat Solar LLC | Elgin | AZ | Electrical Equipment, Appliance & Component Manufacturing335999 | 1-19 | ◐ 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 |
| OLOldcastle Lawn & Garden | Elgin | TX | Wood Product Manufacturing321999 | — | ◐ 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 |