| DCDeltrol CORP | Bellwood | IL | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| DRDiesel Radiator CO | Melrose Park | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| DCDynaburr Chicago INC | Northlake | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| EFEconomy Fasteners INC | Rockford | IL | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| EMEdsal Mfg CO INC | Chicago | IL | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| EMElkay Manufacturing CO | Lanark | IL | Fabricated Metal Product Manufacturing332913 | — | ◇ UNVERIFIED |
| EMElkay Mfg | Broadview | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| ECEllwood Chrome Crankshaft CO LLC | Joliet | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| EHEmpire Hard Chrome | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| EHEmpire Hard Chrome INC | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| EPEn-chro Plating LTD | Melrose Park | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| EIEnduro Industries INC. | Addison | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| FAFic America | Bloomingdale | IL | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| FMFord Motor CO | Chicago Heights | IL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| FVFox Valley Forge CO | Aurora | IL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| FLFpm LLC | Cherry Valley | IL | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| FLFpm LLC | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| GIGatto Industrial Platers INC | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| GBGentek Building Prods | Franklin Park | IL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| GIGerlin INC | Carol Stream | IL | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| GMG & M Mfg CORP | Crystal Lake | IL | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| GPGrove Plating CO INC | Fox River Grove | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| GGGsi Group | Taylorville | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| HWHubbell - Wiegmann | Freeburg | IL | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| HMHudapack Metal Treating of Illinois INC | Glendale Heights | IL | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| IFIllinois Forge CO | Rock Falls | IL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| IMIllinois Mpp CO | Du Quoin | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| JBJ B Inds INC | Aurora | IL | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| JIJernberg Industries INC | Chicago | IL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| KFK&j Finishing INC | Rockford | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| LCLcn Closers Division of Schlage Lock CO LLC | Princeton | IL | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| LSLockport Steel Fabricators | Lockport | IL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| MCMaclean-fogg Component Systems | Mundelein | IL | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| MTManchester Tank & Equipment CO | Quincy | IL | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| MMMatcor Metal Fabrication | Morton | IL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| MPMckay Plating CO | Hampton | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| MMMeminger Metal Finishing INC | Aledo | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| MSMetal Spinners - a Division of Samuel, Son & CO. (usa) INC. | Rock Falls | IL | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| MCMetform CORP | Savanna | IL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| MRMidwestern Rust Proof INC | Chicago | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MPMidwest Patterns INC | Quincy | IL | Fabricated Metal Product Manufacturing332997 | — | ◇ UNVERIFIED |
| MPMnp Precision Parts LLC | Rockford | IL | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| MGMw Galvanizing INC | Chicago | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| NPNobert Plating CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| OPOmega Plating | Crestwood | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| QLQcc LLC | Harwood Heights | IL | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| RIRexnord Industries INC Bearing Div | Downers Grove | IL | Fabricated Metal Product Manufacturing332991 | — | ◇ UNVERIFIED |
| RSRexnord Seal Division | Wheeling | IL | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| RPRiverdale Plating and Heat Treating CO | Riverdale | IL | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| RFRocknel Fastener INC | Rockford | IL | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
