| ANAmerican Ntn Bearing Mfg CORP | Elgin | IL | Fabricated Metal Product Manufacturing332991 | 500+ | ◐ LIKELY ACTIVE |
| EIElgin Industries | Elgin | IL | Food Manufacturing311911 | 20-99 | ◐ LIKELY ACTIVE |
| HIHarting INC | Elgin | IL | Computer and Electronic Product Manufacturing334417 | 100-499 | ◐ LIKELY ACTIVE |
| 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 |
| HCHenkel Corporation | Elgin | IL | Wood Product Manufacturing321911 | — | ◐ LIKELY ACTIVE |
| 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 |
| 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 |
| 1A1st Ayd Building | Elgin | IL | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
Abrasive Technology - Elgin | Elgin | IL | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
American Wilbert Vault Corp. Elgin | Elgin | IL | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◐ LIKELY ACTIVE |
| BPBackyard Products, LLC (Branch 54) | Elgin | IL | Wood Product Manufacturing321992 | 1-19 | ◐ LIKELY ACTIVE |
| BEBelPak - Elgin | Elgin | IL | Food Manufacturing311999 | 100-499 | ◐ LIKELY ACTIVE |
| BHBucher Hydraulics Inc - Elgin | Elgin | IL | Fabricated Metal Product Manufacturing332912 | 100-499 | ◐ LIKELY ACTIVE |
| CUCaldic USA Inc. - Elgin IL | Elgin | IL | Food Manufacturing311942 | 20-99 | ◐ LIKELY ACTIVE |
| CLCfm/vr-tesco, LLC | Elgin | IL | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| CChicago | Elgin | IL | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| CCCold Chain Technologies- Elgin | Elgin | IL | Plastics and Rubber Products Manufacturing326150 | 1-19 | ◐ LIKELY ACTIVE |
| CDContinental Datalabel, Inc.- Illinois (Headquarters) | Elgin | IL | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| CECovestro Elgin | Elgin | IL | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| EMEngineered Materials Elgin | Elgin | IL | Plastics and Rubber Products Manufacturing326121 | 20-99 | ◐ LIKELY ACTIVE |
| GEGEHC Elgin IL | Elgin | IL | Computer and Electronic Product Manufacturing334510 | 20-99 | ◐ LIKELY ACTIVE |