| MMMidland Mfg | Skokie | IL | Fabricated Metal Product Manufacturing332911 | 100-499 | ◐ LIKELY ACTIVE |
| MTMorrison Timing Screw Co dba Morrison Container Handling Solutions | Glenwood | IL | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| NTNanophase Technologies Corporation | Bolingbrook | IL | Chemical Manufacturing325180 | 100-499 | ◐ LIKELY ACTIVE |
| NENehring Electrical Works/Conex Cable | Dekalb | IL | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| OGOsi Group | West Chicago | IL | Food Manufacturing311412 | 100-499 | ◐ LIKELY ACTIVE |
| ODOttawa Dental Laboratory, LLC - Starfire Location | Ottawa | IL | Miscellaneous Manufacturing339116 | 100-499 | ◐ LIKELY ACTIVE |
| PIPnc INC | Polo | IL | Plastics and Rubber Products Manufacturing326111 | 100-499 | ◐ LIKELY ACTIVE |
| PPPrecision Products INC | Lincoln | IL | Chemical Manufacturing325612 | 100-499 | ◐ LIKELY ACTIVE |
| PPProfile Plastics, Inc. | Lake Bluff | IL | Plastics and Rubber Products Manufacturing326130 | 100-499 | ◐ LIKELY ACTIVE |
| RBRed Bud Industries, INC. | Red Bud | IL | Machinery Manufacturing333519 | 100-499 | ◐ LIKELY ACTIVE |
Reynolds Consumer Products LLC | Wheeling | IL | Primary Metal Manufacturing331313 | 100-499 | ◐ LIKELY ACTIVE |
| RPRockford Powertrain INC | Loves Park | IL | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| RMRoeslein Modular Fabrication | Red Bud | IL | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| SRSecon Rubber and Plastics INC | Red Bud | IL | Plastics and Rubber Products Manufacturing326150 | 100-499 | ◐ LIKELY ACTIVE |
| SCSemblex CORP | Elmhurst | IL | Fabricated Metal Product Manufacturing332722 | 100-499 | ◐ LIKELY ACTIVE |
| SFSeneca Foods CORP | Princeville | IL | Food Manufacturing311421 | 100-499 | ◐ LIKELY ACTIVE |
| SFSensient Flavors INC | Amboy | IL | Food Manufacturing311920 | 100-499 | ◐ LIKELY ACTIVE |
Service Filtration CORP | Northbrook | IL | Machinery Manufacturing333914 | 100-499 | ◐ LIKELY ACTIVE |
| SOSeymour of Sycamore | Sycamore | IL | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
| SISpringfield INC | Geneseo | IL | Fabricated Metal Product Manufacturing332994 | 100-499 | ◐ LIKELY ACTIVE |
| SISwd INC | Addison | IL | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| SFSynergy Flavors INC | Wauconda | IL | Food Manufacturing311930 | 100-499 | ◐ LIKELY ACTIVE |
| TDT & D Metal Products | Watseka | IL | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| TRThe Rdi Group General Partnership | Itasca | IL | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| TPTriangle Package Machinery Company | Chicago | IL | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| ULUnited Laboratories, Inc. | St. Charles | IL | Chemical Manufacturing325612 | 100-499 | ◐ LIKELY ACTIVE |
| VSV&V Supremo Foods | Chicago | IL | Food Manufacturing311513 | 100-499 | ◐ LIKELY ACTIVE |
| WPWeber-stephen Products LLC | Huntley | IL | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ◐ LIKELY ACTIVE |
| WPWeiman Products LLC | Gurnee | IL | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| WPWinpak Portion Packaging | Sauk Village | IL | Plastics and Rubber Products Manufacturing326112 | 100-499 | ◐ LIKELY ACTIVE |
| WOWis-pak of Quincy | Quincy | IL | Beverage and Tobacco Product Manufacturing312111 | 100-499 | ◐ LIKELY ACTIVE |
| WFWorld's Finest Chocolate INC. | Chicago | IL | Food Manufacturing311320 | 100-499 | ◐ LIKELY ACTIVE |
| 1A1st Ayd Corporation | Elgin | IL | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| AFAxium Foods INC | South Beloit | IL | Food Manufacturing311423 | 100-499 | ◐ LIKELY ACTIVE |
| BABellota Agrisolutions & Tools LLC | Rock Island | IL | Fabricated Metal Product Manufacturing332119 | 100-499 | ◐ LIKELY ACTIVE |
| CNClayens Np USA INC | Crystal Lake | IL | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| FIFull-fill Industries LLC | Henning | IL | Miscellaneous Manufacturing339999 | 100-499 | ◐ LIKELY ACTIVE |
| HMHeadly Mfg | Broadview | IL | Fabricated Metal Product Manufacturing332116 | 100-499 | ◐ LIKELY ACTIVE |
| ITIhi Turbo America | Shelbyville | IL | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| LFLifeway Foods, INC | Morton Grove | IL | Food Manufacturing311511 | 100-499 | ◐ LIKELY ACTIVE |
| MMMidstate Manufacturing | Galesburg | IL | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| MMMorgan Marshall Industries INC | Chicago Heights | IL | Furniture and Related Product Manufacturing337127 | 100-499 | ◐ LIKELY ACTIVE |
| PLPetdine LLC | Harvard | IL | Food Manufacturing311111 | 100-499 | ◐ LIKELY ACTIVE |
| RIRtc Ind | Rolling Meadows | IL | Miscellaneous Manufacturing339950 | 100-499 | ◐ LIKELY ACTIVE |
| SSSelig Sealing Products INC | Forrest | IL | Miscellaneous Manufacturing339991 | 100-499 | ◐ LIKELY ACTIVE |
| SASigan America LLC | Ottawa | IL | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| SPSpecialty Printing CO | Niles | IL | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
| SISpringfield INC | Geneseo | IL | Fabricated Metal Product Manufacturing332994 | 100-499 | ◐ LIKELY ACTIVE |
| SCSuncast CORP | Batavia | IL | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| SFSynergy Flavors INC | Wauconda | IL | Food Manufacturing311930 | 100-499 | ◐ LIKELY ACTIVE |