Forge Resources Group LLC | Dekalb | — | ● ACTIVE |
Frey & Weiss Precision Machining INC | Wood Dale | — | ● ACTIVE |
Gc Machining Solutions CORP | Wood Dale | — | ● ACTIVE |
| GMGeneral Manufacturing LLC | Melrose Park | — | ● ACTIVE |
| GIGett Industries, LTD. | Milan | 20–99 | ● ACTIVE |
Graymills Corporation | Broadview | 20–99 | ● ACTIVE |
Gripple INC | Aurora | 100–499 | ● ACTIVE |
Helander Metal Spinning CO | Lombard | — | ● ACTIVE |
Henry Technologies, INC. | Chatham | — | ● ACTIVE |
Hts Coatings LLC | Madison | — | ● ACTIVE |
Hydraforce INC | Vernon Hills | — | ● ACTIVE |
Hyspan Precision Products INC | South Holland | — | ● ACTIVE |
Imprex International, INC | Arlington Heights | — | ● ACTIVE |
Industrial Enclosure CORP | Aurora | — | ● ACTIVE |
| IMInterlake Mecalux INC | Pontiac | 100–499 | ● ACTIVE |
International Paint LLC | Waukegan | — | ● ACTIVE |
Ironworx LLC | Mount Vernon | — | ● ACTIVE |
Jacksonville Machine, INC | Jacksonville | 20–99 | ● ACTIVE |
| JCJohn Crane, INC | Morton Grove | — | ● ACTIVE |
Johnson Contracting CO INC | East Moline | 20–99 | ● ACTIVE |
Kaskaskia Tool and Machine, INC | New Athens | — | ● ACTIVE |
Kiene Diesel Accessories, INC. | Addison | 20–99 | ● ACTIVE |
| KPKksp Precision Machining LLC | Glendale Heights | 20–99 | ● ACTIVE |
Liftseat CORP | Oak Brook | — | ● ACTIVE |
| LOLmt Onsrud | Waukegan | 100–499 | ● ACTIVE |
M-1 Tool Works, INC. | Mchenry | 20–99 | ● ACTIVE |
Manor Tool & Manufacturing CO | Schiller Park | — | ● ACTIVE |
Marlboro Wire, Limited | Quincy | 20–99 | ● ACTIVE |
Meaden Precision Machined Products Company | Burr Ridge | 20–99 | ● ACTIVE |
| MDMechanical Devices CO | Bloomington | 100–499 | ● ACTIVE |
Mercury Products CORP | Schaumburg | — | ● ACTIVE |
Metal Impact LLC | Elk Grove Village | — | ● ACTIVE |
Metal Improvement Company, LLC | Addison | — | ● ACTIVE |
| MTMetals Technology CORP | Carol Stream | 20–99 | ● ACTIVE |
| MIMetamora Industries, LLC | Metamora | 20–99 | ● ACTIVE |
Methode Electronics INC | Rolling Meadows | — | ● ACTIVE |
Microtech Machine CO INC | Wheeling | — | ● ACTIVE |
| MTMid-state Tank CO INC | Sullivan | — | ● ACTIVE |
Minic Industries INC | Crystal Lake | — | ● ACTIVE |
Modern Advanced Manufacturing LLC | Rockford | 20–99 | ● ACTIVE |
| MFMoline Forge INC | Moline | 20–99 | ● ACTIVE |
Morgan Bronze Products, INC. | Lake Zurich | — | ● ACTIVE |
M & R Precision Machining INC | Elk Grove Village | — | ● ACTIVE |
Multax LLC | Morton | — | ● ACTIVE |
New Lenox Machine Co., INC. | Dwight | — | ● ACTIVE |
Nitrex INC | Aurora | — | ● ACTIVE |
Nkp Metals LLC | Chicago | — | ● ACTIVE |
North American E.n., INC. | Elk Grove Village | — | ● ACTIVE |
Odin Fabrication, INC. | Elburn | — | ● ACTIVE |
Pacific Bearing Company | Roscoe | — | ● ACTIVE |