| HEHml Elevators INC | Chicago | IL | Machinery Manufacturing333921 | — | ◐ LIKELY ACTIVE |
| HHollister-Whitney | Qunicy | IL | Machinery Manufacturing333921 | 100-499 | ◐ LIKELY ACTIVE |
| HSHorsburgh & Scott- Roscoe | Roscoe | IL | Machinery Manufacturing333612 | 1-19 | ◐ LIKELY ACTIVE |
| HTHydraulic Technologies USA LLC | Rockford | IL | Machinery Manufacturing333996 | — | ◐ LIKELY ACTIVE |
| HMHydro-Gear, Mattoon | Mattoon | IL | Machinery Manufacturing333996 | 1-19 | ◐ LIKELY ACTIVE |
| IEIDEX Energy AFS - Wheeling | Wheeling | IL | Machinery Manufacturing333913 | 1-19 | ◐ LIKELY ACTIVE |
| ICImperium Commeatus LLC | Park Ridge | IL | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| IMIndustrial Maintenance and Welding | Chicago | IL | Machinery Manufacturing333517 | 100-499 | ◐ LIKELY ACTIVE |
| ITIndustrial Technologies and Services LLC | Alsip | IL | Machinery Manufacturing333996 | — | ◐ LIKELY ACTIVE |
| ICIpsen Cherry Valley | Cherry Valley | IL | Machinery Manufacturing333994 | 100-499 | ◐ LIKELY ACTIVE |
| IIIpsen, Inc. Pecatonica | Pecatonica | IL | Machinery Manufacturing333994 | 1-19 | ◐ LIKELY ACTIVE |
| IItasca | Itasca | IL | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
| IGITW- Global Tool Unit- Libertyville | Libertyville | IL | Machinery Manufacturing333991 | 100-499 | ◐ LIKELY ACTIVE |
| IRITW Residential & Renovation - Elgin | Elgin | IL | Machinery Manufacturing333991 | 20-99 | ◐ LIKELY ACTIVE |
| JIJanome Industrial Equipment USA INC | Elk Grove Village | IL | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| JDJohn Deere Cylinder Div Moline | Moline | IL | Machinery Manufacturing333995 | 100-499 | ◐ LIKELY ACTIVE |
| JDJohn Deere Research & Development Center- Silvis | East Moline | IL | Machinery Manufacturing333111 | 500+ | ◐ LIKELY ACTIVE |
| JCJohnson County Highway Department | Vienna | IL | Machinery Manufacturing333120 | 1-19 | ◐ LIKELY ACTIVE |
| JIJtec Industries Carver | East Peoria | IL | Machinery Manufacturing333924 | 20-99 | ◐ LIKELY ACTIVE |
| JIJtec Industries - Washington | East Peoria | IL | Machinery Manufacturing333924 | 20-99 | ◐ LIKELY ACTIVE |
| KLKarl Lambrecht CORP. | Chicago | IL | Machinery Manufacturing333310 | — | ▲ REPORTED CLOSED |
| KMKB Machines - Elgin | Elgin | IL | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| KCKkt Chillers, INC | Wood Dale | IL | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| KAKomatsu America Corp PMO | Peoria | IL | Machinery Manufacturing333131 | 500+ | ◐ LIKELY ACTIVE |
| KCKSi Conveyors, Inc. - Cissna Park | Cissna Park | IL | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| LALenze Americas - Schaumburg | Schaumburg | IL | Machinery Manufacturing333612 | 1-19 | ◐ LIKELY ACTIVE |
| LILiquiTech, Inc. | Lombard | IL | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
| LALogan Actuator CO | Harvard | IL | Machinery Manufacturing333131 | — | ◐ LIKELY ACTIVE |
| MMMAAC Machinery Co, Inc | Carol Stream | IL | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| MMMacLean - Mallard IC | Sterling | IL | Machinery Manufacturing333922 | 1-19 | ◐ LIKELY ACTIVE |
| MOMain Office | Elk Grove Village | IL | Machinery Manufacturing333995 | 1-19 | ◐ LIKELY ACTIVE |
| MSMartin Sprocket & Gear Des Plaines | Des Plaines | IL | Machinery Manufacturing333613 | 1-19 | ◐ LIKELY ACTIVE |
| MAMBC Aerosol | Elgin | IL | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
McLaughlin Body Company - Rock Island | Rock Island | IL | Machinery Manufacturing333111 | 100-499 | ◐ LIKELY ACTIVE |
| MPMiddleby Packaging Solutions - Elgin | Elgin | IL | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| MPMidOpt Palatine | Palatine | IL | Machinery Manufacturing333314 | 20-99 | ◐ LIKELY ACTIVE |
| MBMidwest Blow Molding LLC | Vandalia | IL | Machinery Manufacturing333111 | 1-19 | ◐ LIKELY ACTIVE |
| MIMidwest Industrial Sales | Gardner | IL | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| MWMiller Welding Automation | Carol Stream | IL | Machinery Manufacturing333992 | 20-99 | ◐ LIKELY ACTIVE |
| MEMiner Elastomer Products Corporation | Geneva | IL | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| MLMitsubishi Logisnext Americas Marengo | Marengo | IL | Machinery Manufacturing333924 | 100-499 | ◐ LIKELY ACTIVE |
| MMokena | Mokena | IL | Machinery Manufacturing333612 | 20-99 | ◐ LIKELY ACTIVE |
Motion Systems Machesney Park | Machesney Park | IL | Machinery Manufacturing333995 | 20-99 | ◐ LIKELY ACTIVE |
| NGNalco Glenwood, IL Manufacturing | Glenwood | IL | Machinery Manufacturing333310 | 20-99 | ◐ LIKELY ACTIVE |
| NFNorman Filter Company & Norman Equipment Company | Bridgeview | IL | Machinery Manufacturing333999 | 20-99 | ◐ LIKELY ACTIVE |
| OIOakley Industrial Machinery INC. | Elk Grove Village | IL | Machinery Manufacturing333994 | 1-19 | ◐ LIKELY ACTIVE |
| OTOregon Tool - Oregon (IL) | Oregon | IL | Machinery Manufacturing333111 | 100-499 | ◐ LIKELY ACTIVE |
| OUOSG USA, Inc Bensenville | Bensenville | IL | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| OUOSG USA, Inc St. Charles | St. Charles | IL | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| PPPacific Press Holdings | Mt Carmel | IL | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |