| BFBranson Family Holdings LLC | Rapid City | SD | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BCBrittany Catania | San Bernardino | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BIBronson Investments, Inc. | White City | OR | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BIBronson Investments, Inc. | White City | OR | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BSB & S Iron Works LLC | Bronx | NY | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BMBull Moose Tube Company Expansion | Elkhart | IN | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CPCalifornia Pipe Fabricators | Dixon | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CPCalifornia Pipe Recycling, INC. | Bakersfield | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CCCapital City Culvert Corporation | Brooklyn | WI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CECarlysle Engineering INC | Jamaica Plain | MA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CQChelan Quality Welding, LLC | Cashmere | WA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| COCity of Ontario | Ontario | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| COClarence Ornamental Works & Welding Services, LLC | Destrehan | LA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CSCmc Steel Us, Llc, Martinsburg | Martinsburg | WV | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CFCode Fabrication INC | West Valley City | UT | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CRCombustion Resources, LLC | Indianapolis | IN | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CMConsolidated Metals INC. | Jacksonville | FL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CHConstruction Hotline and Management Partners, INC. | Santa Ana | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CSContinental Steel Corporation | Salt Lake City | UT | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CICooksey Iron & Metal Company, INC. | Midville | GA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CSCooksey Steel Company, INC. | Tifton | GA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CCCopperweld Chicago Division | Chicago | IL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CFCrl Fab, LLC | Fort Myers | FL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CHCsr Hydro Conduit | Corona | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CFCT&C Fab LLC | Erda | UT | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CWCTS Welding LLC | Bloomingdale | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CWCTS Welding LLC | Bloomingdale | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CICustom Ii Metal Fabrication and Welding | Bozeman | MT | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DMDanay Miller | Simi Valley | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DPDelsea Pipe INC. | Sewell | NJ | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DTDetroit Tube Products LLC | Detroit | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DWDetroit Welded Tube | Detroit | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DMDiversified Metalworking, Inc. | Republic | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DMDiversified Metalworking, Inc. | Republic | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DMDiversified Metalworking, Inc. | Republic | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DIDmcg, INC. | Norcross | GA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| DSDubose Steel CORP. | Roseboro | NC | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| EMEagle Manufacturing Company, INC. | Colchester | CT | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ESEbenezer Steel | Phelan | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| EHE & H Tubing Incorporated | Salem | IN | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ECEl Campo Machine & Repair, INC. | El Campo | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| EMElectrolurgy Manufacturing, INC. | Santa Ana | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ESElite Storage Solutions, LLC | Monroe | GA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| EMEmet Manufacturing, INC. | Warren | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
 Energy Steel & Supply CO | Lapeer | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ETEnergy Transfer | Carrollton | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ERE. Ramirez Iron Works CO. | Opa Locka | FL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| EIEufaula Iron Works, INC. | Eufaula | AL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| EPExceptional Product Sales LLC | Clinton Township | MI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ESExpress Services, INC. | Santa Fe Springs | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
