| ECEntire Car Protection | Woodridge | IL | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
ERA Industries, LLC - EGV | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| EEstwing | Rockford | IL | Fabricated Metal Product Manufacturing332216 | 100-499 | ◐ LIKELY ACTIVE |
| EEvonik (2) | Mapleton | IL | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| FFactor75 | Lake Zurich | IL | Food Manufacturing311991 | 100-499 | ◐ LIKELY ACTIVE |
| FHFANUC - Hoffman Estates | Hoffman Estates | IL | Machinery Manufacturing333998 | 100-499 | ◐ LIKELY ACTIVE |
| FCFerrara Candy Company - DeKalb | Ferrara Candy Company - DeKalb | IL | Food Manufacturing311340 | 100-499 | ◐ LIKELY ACTIVE |
| FNFidelity National Information Services, Inc. - Romeoville | Romeoville | IL | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
| FAFirst Alert | Aurora | IL | Computer and Electronic Product Manufacturing334290 | 100-499 | ◐ LIKELY ACTIVE |
| FDFlexco - Downers Grove | Downers Grove | IL | Fabricated Metal Product Manufacturing332510 | 100-499 | ◐ LIKELY ACTIVE |
| FNFlex N Gate Plastics Danville | Danville | IL | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| FRFlex-N-Gate Rantoul LLC | Rantoul | IL | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| FAFlexsys America L.P. | Sauget | IL | Chemical Manufacturing325998 | 100-499 | ◐ LIKELY ACTIVE |
| FAFood and Beverage Business Unit FRANKLIN PARK | Franklin Park | IL | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| FAFood and Beverage Business Unit GRANT PARK | Grant Park | IL | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| FAFood and Beverage Business Unit MANTENO | Manteno | IL | Plastics and Rubber Products Manufacturing326113 | 100-499 | ◐ LIKELY ACTIVE |
| FBFoodservice BEDFORD PARK THERMO | Bedford Park | IL | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| FFFoodservice FRANKFORT | Frankfort | IL | Plastics and Rubber Products Manufacturing326140 | 100-499 | ◐ LIKELY ACTIVE |
| FSFoodservice ST CHARLES | Saint Charles | IL | Paper Manufacturing322212 | 100-499 | ◐ LIKELY ACTIVE |
| FSFoodservice ST CHARLES | St. Charles | IL | Paper Manufacturing322212 | 100-499 | ◐ LIKELY ACTIVE |
| FHFPM Heat Treating - Elk Grove Village | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332811 | 100-499 | ◐ LIKELY ACTIVE |
| FIFreeburg, IL | Freeburg | IL | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| FLFresh Logistics | Hodgkin's ILL | IL | Food Manufacturing311411 | 100-499 | ◐ LIKELY ACTIVE |
| FFFreudenberg Filtration Technologies - Best Air (Belvidere) | Belvidere | IL | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| FFulton | Chicago | IL | Primary Metal Manufacturing331491 | 100-499 | ◐ LIKELY ACTIVE |
| FWFXI - West Chicago | West Chicago | IL | Plastics and Rubber Products Manufacturing326150 | 100-499 | ◐ LIKELY ACTIVE |
| GCGCM Chicago | Addison | IL | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| GAGEHC Arlington Heights IL PDx | Arlington Heights | IL | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| GMGeka Manufacturing Corporation | Elgin | IL | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
General Mills - Geneva | Geneva | IL | Food Manufacturing311811 | 100-499 | ◐ LIKELY ACTIVE |
| GCGerresheimer CHI | Chicago Heights | IL | Nonmetallic Mineral Product Manufacturing327213 | 100-499 | ◐ LIKELY ACTIVE |
| GDGiesecke & Devrient Epayments | Bolingbrook | IL | Printing and Related Support Activities323113 | 100-499 | ◐ LIKELY ACTIVE |
| GCGivaudan Carol Stream | Carol Stream | IL | Food Manufacturing311942 | 100-499 | ◐ LIKELY ACTIVE |
| GNGreat Northern Instore - Des Plaines | Des Plaines | IL | Miscellaneous Manufacturing339950 | 100-499 | ◐ LIKELY ACTIVE |
| GCGSI : Corporate | Assumption | IL | Machinery Manufacturing333111 | 100-499 | ◐ LIKELY ACTIVE |
| GPGSI Paris | Paris | IL | Machinery Manufacturing333111 | 100-499 | ◐ LIKELY ACTIVE |
| GTGSI : Taylorville | Taylorville | IL | Machinery Manufacturing333111 | 100-499 | ◐ LIKELY ACTIVE |
| HDHalf Day School | Lincolnshire | IL | Furniture and Related Product Manufacturing337127 | 100-499 | ◐ LIKELY ACTIVE |
| HFHB Fuller Frankfort Fey Drive | Frankfort | IL | Chemical Manufacturing325520 | 100-499 | ◐ LIKELY ACTIVE |
| HMHeadly Manufacturing Co. | Broadview | IL | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| HHeadquarters | Chicago | IL | Food Manufacturing311991 | 100-499 | ◐ LIKELY ACTIVE |
| HFHearthside Food Solutions Geneva | Geneva | IL | Food Manufacturing311999 | 100-499 | ◐ LIKELY ACTIVE |
| HFHearthside Food Solutions Itasca | Itasca | IL | Food Manufacturing311991 | 100-499 | ◐ LIKELY ACTIVE |
| HFHearthside Food Solutions, LLC. | Bolingbrook | IL | Food Manufacturing311999 | 100-499 | ◐ LIKELY ACTIVE |
| H3Hillside 3 | Hillside | IL | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| HHollister-Whitney | Qunicy | IL | Machinery Manufacturing333921 | 100-499 | ◐ LIKELY ACTIVE |
| HCHome Chef - Bedford Park | Bedford Park | IL | Food Manufacturing311991 | 100-499 | ◐ LIKELY ACTIVE |
| HCHood Container Chicago | Chicago | IL | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| HHorizons | Waukegan | IL | Furniture and Related Product Manufacturing337920 | 100-499 | ◐ LIKELY ACTIVE |
| HUHubergroup USA, (P005) | Lisle | IL | Chemical Manufacturing325910 | 100-499 | ◐ LIKELY ACTIVE |