| JWJerry's Welding INC. | Elgin | — | ◇ UNVERIFIED |
| JBJjj Brass & Aluminum Foundry, LLC | South Beloit | — | ◇ UNVERIFIED |
| KTKazmier Tooling Inc., | Chicago | — | ◇ UNVERIFIED |
| KMKellerman Manufacturing Company INC. | Wauconda | — | ◇ UNVERIFIED |
| KNK. N. M. Industries, INC. | Harwood Heights | — | ◇ UNVERIFIED |
| KIK.n.m. Industries, INC. Dba Lexco Cable | Norridge | — | ◇ UNVERIFIED |
| KWKrazy Wills | Rockford | — | ◇ UNVERIFIED |
| LTLeavitt Tube Co., LLC | Northbrook | — | ◇ UNVERIFIED |
| LBLeitelt Brothers Foundry, INC | Chicago | — | ◇ UNVERIFIED |
| LMLouis Meskan Brass Foundry, INC. | Chicago | — | ◇ UNVERIFIED |
| LLLyon LLC | Paris | — | ◇ UNVERIFIED |
| MMMagnus Metal INC | East Peoria | — | ◇ UNVERIFIED |
| MMMan-sea Metal, INC. | Mount Zion | — | ◇ UNVERIFIED |
| MAMapes and Sprowl Steel, LTD. | Elk Grove Village | — | ◇ UNVERIFIED |
| MMMarble Machine, INC. | Danville | — | ◇ UNVERIFIED |
| MGMarion Gardner Jr | Dennison | — | ◇ UNVERIFIED |
| MMMaster Machine & Repair Corporation | Bedford Park | — | ◇ UNVERIFIED |
| MFMercedes Fabricating, INC. | Chicago Heights | — | ◇ UNVERIFIED |
| MRMerdian Rail Products CORP | Cicero | — | ◇ UNVERIFIED |
| MPMetal Partners Rebar, LLC | Chicago | — | ◇ UNVERIFIED |
| MRMetal Resource INC. | Hinsdale | — | ◇ UNVERIFIED |
| MIMgf Industries | Rockford | — | ◇ UNVERIFIED |
| MIMgf Industries LLC | Rockford | — | ◇ UNVERIFIED |
| MIMid-state Industries Operating, INC. | Arcola | — | ◇ UNVERIFIED |
| MZMidwest Zinc-hillsboro INC | Hillsboro | — | ◇ UNVERIFIED |
| MCModern Custom Casting | Rockford | — | ◇ UNVERIFIED |
| MWMoffat Wire & Display, INC. | Addison | — | ◇ UNVERIFIED |
| MWMomentum Wheels & More | Petersburg | — | ◇ UNVERIFIED |
| MTMonski Tool* | Elmhurst | — | ◇ UNVERIFIED |
| MAMzg Associates Ii LLC | Chicago Heights | — | ◇ UNVERIFIED |
| NMNational Material CO | Elk Grove Village | — | ◇ UNVERIFIED |
| NMNational Material Processing, LLC | Chicago | — | ◇ UNVERIFIED |
| NPNational Processing Company | Chicago | — | ◇ UNVERIFIED |
| NPNew Process Steel - Nps | Alsip | — | ◇ UNVERIFIED |
| NVNew Vermillion Iron Works, INC. | Hoopeston | — | ◇ UNVERIFIED |
| NPNorthern Partners Cooperative | Mendota | — | ◇ UNVERIFIED |
| NSNorthwestern Steel & Wire CO | Rock Falls | — | ◇ UNVERIFIED |
| OKO & K American CORP. | Chicago | — | ◇ UNVERIFIED |
| PDParagon Die Casting CO | Chicago | — | ◇ UNVERIFIED |
| POPeerless of America Ii, INC. | Effingham | — | ◇ UNVERIFIED |
| PAPenn Aluminum Industries | Murphysboro | — | ◇ UNVERIFIED |
| PAPetersen Aluminum Corporation Dba Pac-clad | Elk Grove Village | — | ◇ UNVERIFIED |
| PSPoffy's Scrap Metal | Shannon | — | ◇ UNVERIFIED |
| PMPrecious Metal Refining Services Inc/progressive Env Svcs | Wauconda | — | ◇ UNVERIFIED |
| PWP & W Foundry, INC. | Plano | — | ◇ UNVERIFIED |
| QCQuad City Die Casting CO | Moline | — | ◇ UNVERIFIED |
| QTQuadrant Tool and Manufacturing Company | Schaumburg | — | ◇ UNVERIFIED |
| QIQualitek International INC | Addison | — | ◇ UNVERIFIED |
| QFQuincy Foundry & Pattern INC | Quincy | — | ◇ UNVERIFIED |
| RIR.c.m. Industries, INC. | Wheeling | — | ◇ UNVERIFIED |
