Cornell Forge CO | Bedford Park | IL | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| CCCrown Cork & Seal CO (usa) | Aurora | IL | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| CSCst Storage | Dekalb | IL | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| DFDekalb Forge CO | Dekalb | IL | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| DCDeltrol CORP | Bellwood | IL | Fabricated Metal Product Manufacturing332912 | — | ◐ LIKELY ACTIVE |
| DRDiesel Radiator CO | Melrose Park | IL | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| DCDynaburr Chicago INC | Northlake | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| EFEconomy Fasteners INC | Rockford | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| EMEdsal Mfg CO INC | Chicago | IL | Fabricated Metal Product Manufacturing332119 | — | ◐ LIKELY ACTIVE |
| EMElkay Manufacturing CO | Lanark | IL | Fabricated Metal Product Manufacturing332913 | — | ◐ LIKELY ACTIVE |
| EMElkay Mfg | Broadview | IL | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| ECEllwood Chrome Crankshaft CO LLC | Joliet | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| EHEmpire Hard Chrome INC | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| EPEn-chro Plating LTD | Melrose Park | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| FAFic America | Bloomingdale | IL | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| FMFord Motor CO | Chicago Heights | IL | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| FLFpm LLC | Cherry Valley | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| FLFpm LLC | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Ordnance & Tactical Systems INC I Area | Marion | IL | Fabricated Metal Product Manufacturing332992 | — | ◐ LIKELY ACTIVE |
| GBGentek Building Prods | Franklin Park | IL | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| GIGerlin INC | Carol Stream | IL | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| GGGsi Group | Taylorville | IL | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| HMHeadly Mfg | Broadview | IL | Fabricated Metal Product Manufacturing332116 | 100-499 | ◐ LIKELY ACTIVE |
| HWHubbell - Wiegmann | Freeburg | IL | Fabricated Metal Product Manufacturing332119 | — | ◐ LIKELY ACTIVE |
| HIHydroforce INC | Lincolnshire | IL | Fabricated Metal Product Manufacturing332912 | 500+ | ◐ LIKELY ACTIVE |
| IFIllinois Forge CO | Rock Falls | IL | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| IMIllinois Mpp CO | Du Quoin | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| IPInternational Processing CO of America | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| JBJ B Inds INC | Aurora | IL | Fabricated Metal Product Manufacturing332919 | — | ◐ LIKELY ACTIVE |
| JIJernberg Industries INC | Chicago | IL | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| LCLcn Closers Division of Schlage Lock CO LLC | Princeton | IL | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| MCMaclean-fogg Component Systems | Mundelein | IL | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| MTManchester Tank & Equipment CO | Quincy | IL | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| MMMatcor Metal Fabrication | Morton | IL | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| MSMetal Spinners - a Division of Samuel, Son & CO. (usa) INC. | Rock Falls | IL | Fabricated Metal Product Manufacturing332119 | — | ◐ LIKELY ACTIVE |
| MCMetform CORP | Savanna | IL | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| MSMeyer Steel Drum INC | Chicago | IL | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| MMMidland Metals Products | Chicago | IL | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| MMMidstate Manufacturing | Galesburg | IL | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| MRMidwestern Rust Proof INC | Chicago | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| MPMnp Precision Parts LLC | Rockford | IL | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| MMMorton Metalcraft CO | Morton | IL | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| MGMw Galvanizing INC | Chicago | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| NMNorthstar Metals | Glendale Heights | IL | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| NFNylok Fastener CORP | Lincolnwood | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| OPOmega Plating | Crestwood | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| QLQcc LLC | Harwood Heights | IL | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| QCQuanex CORP | Chatsworth | IL | Fabricated Metal Product Manufacturing332114 | — | ◐ LIKELY ACTIVE |
| RIRexnord Industries INC Bearing Div | Downers Grove | IL | Fabricated Metal Product Manufacturing332991 | — | ◐ LIKELY ACTIVE |
| RSRexnord Seal Division | Wheeling | IL | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |