| CMCommercial Metals Company | Jacksonville | FL | — | ◇ UNVERIFIED |
| CMCommercial Metals Company Rebar | San Antonio | TX | — | ◇ UNVERIFIED |
| CSCommercial Steel Corporation | Glassport | PA | — | ◇ UNVERIFIED |
| CFConsolidated Fabricators CORP | Vernon | CA | — | ◇ UNVERIFIED |
| CSConsolidated Steel Svc | Englewood | CO | — | ◇ UNVERIFIED |
| CMConstruction Materials, INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| CSContinental Steel Works, INC. | Butte | MT | — | ◇ UNVERIFIED |
| CSContractors Steel Company | Belleville | MI | — | ◇ UNVERIFIED |
| CAControlled Automation | Bauxite | AR | — | ◇ UNVERIFIED |
| CMCoronado Manufacturing LLC | Sun Valley | CA | — | ◇ UNVERIFIED |
| CMCosmos Manufacturing, INC. | South Chicago Heights | IL | — | ◇ UNVERIFIED |
| CSCuenca Steel Corporation | Miami | FL | — | ◇ UNVERIFIED |
| CBCustom Bilt Metals LLC | Whittier | CA | — | ◇ UNVERIFIED |
| CSCustom Sheet & Metal Fabricators LLC | Chattanooga | TN | — | ◇ UNVERIFIED |
| CSCustom Steel Fabricators, INC. | Columbia | TN | — | ◇ UNVERIFIED |
| CSCustom Steel Processing, INC. | Granite City | IL | — | ◇ UNVERIFIED |
| COCycling on Two Wheels, LLC | Grovetown | GA | — | ◇ UNVERIFIED |
| DCDaiki Corporation | Adairsville | GA | — | ◇ UNVERIFIED |
 Dameron Alloy Foundries Dba Dafco INC | Louisville | KY | — | ◇ UNVERIFIED |
| DTDanaher Tool Group | Gastonia | NC | — | ◇ UNVERIFIED |
| DSDanick Specialties & Support, INC. | Niceville | FL | — | ◇ UNVERIFIED |
| DIDanmar Installation INC | Memphis | TN | — | ◇ UNVERIFIED |
| DRDayton Rogers Manufacturing company | Newberry | SC | — | ◇ UNVERIFIED |
| DRDayton Rogers of Ohio, Inc. | Obetz | OH | — | ◇ UNVERIFIED |
| DMDb Motoring Group, INC. | Miami | FL | — | ◇ UNVERIFIED |
| DDD & D Machine Works, INC. | Orem | UT | — | ◇ UNVERIFIED |
| DKDelaco Kasle Processing Indiana LLC | Jeffersonville | IN | — | ◇ UNVERIFIED |
| DFDelafield Fluid Technologies | Mabank | TX | — | ◇ UNVERIFIED |
| DIDelos Industries Inc. | Payson | UT | — | ◇ UNVERIFIED |
| DMDelta Metals Company, INC. | Memphis | TN | — | ◇ UNVERIFIED |
| DADesign Assistance Construction Systems INC | Sparrows Point | MD | — | ◇ UNVERIFIED |
| DSDetroit Steel CO Trenton | Trenton | MI | — | ◇ UNVERIFIED |
| DCDexmet Corporation - Naugatuck | Naugatuck | CT | — | ◇ UNVERIFIED |
| DMDexter Marine Products LLC | San Marcos | CA | — | ◇ UNVERIFIED |
| DSDfp Systems | El Cajon | CA | — | ◇ UNVERIFIED |
| DGD & G Fabrication and Pipe Supports | Theodore | AL | — | ◇ UNVERIFIED |
| DIDima Industries | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| DSDirect Sales INC. | Hollywood | FL | — | ◇ UNVERIFIED |
| DMDluhos Metal Works INC. | El Campo | TX | — | ◇ UNVERIFIED |
| DIDominguez Iron Work, Inc. | Miami | FL | — | ◇ UNVERIFIED |
| DIDominguez Iron Work, Inc. | Miami | FL | — | ◇ UNVERIFIED |
| DSDoral Steel, INC. | Toledo | OH | — | ◇ UNVERIFIED |
| DHDouglas-kent Holdings, LLC | Ontario | CA | — | ◇ UNVERIFIED |
| DSDouglas Steel Supply | Los Angeles | CA | — | ◇ UNVERIFIED |
| DCDow Corning Alabama, INC. | Mount Meigs | AL | — | ◇ UNVERIFIED |
| DMD&s Metal Solutions LLC | Gilbert | AZ | — | ◇ UNVERIFIED |
| DSDunkirk Speciality Steel, LLC | Dunkirk | NY | — | ◇ UNVERIFIED |
 Dunkirk Specialty Steel LLC | Dunkirk | NY | — | ◇ UNVERIFIED |
| DSDunn-wright Steel | Lapeer | MI | — | ◇ UNVERIFIED |
| EIEarly Iron Restoration | Rochester | MN | — | ◇ UNVERIFIED |
| ECEast Coast Steel, INC. | Sewell | NJ | — | ◇ UNVERIFIED |
| ESEastern Steel | Mount Hope | WV | — | ◇ UNVERIFIED |
| ETElemco Tool LTD | Clinton Twp | MI | — | ◇ UNVERIFIED |
 Embassy Powdered Metals/emporium | Emporium | PA | — | ◇ UNVERIFIED |
| EAEmc Ashtabula INC (0204010003) | Ashtabula | OH | — | ◇ UNVERIFIED |
| ESEmpire Sheet Metal, INC. | Manchester | NH | — | ◇ UNVERIFIED |
| ESEndura Steel, Inc., a California Corporation | Fort Mohave | AZ | — | ◇ UNVERIFIED |
| EAEngineered Alloys LLC | Chattanooga | TN | — | ◇ UNVERIFIED |
| EPEquip Pro | Temecula | CA | — | ◇ UNVERIFIED |
| EMEramet Marietta INC. (0684020006) | Marietta | OH | — | ◇ UNVERIFIED |
| EGEsab Group INC | Ashtabula | OH | — | ◇ UNVERIFIED |
| EWEsab Welding & Cutting Prod/hanover | Hanover | PA | — | ◇ UNVERIFIED |
| ECEvraz Claymont Steel | Claymont | DE | — | ◇ UNVERIFIED |
| ESExotic Sounds and Wheel Company | West Palm Beach | FL | — | ◇ UNVERIFIED |
| EVExploratory Ventures, LLC | Osceola | AR | — | ◇ UNVERIFIED |
| FSFab Steel, INC. | Lexington | KY | — | ◇ UNVERIFIED |
| FSFamily System Solution Wheel INC | Miramar | FL | — | ◇ UNVERIFIED |
| FFecr | Jacksonville | FL | — | ◇ UNVERIFIED |
| FMFederated Metals CORP | Whiting | IN | — | ◇ UNVERIFIED |
| FPFelman Prodduction LLC | New Haven | WV | — | ◇ UNVERIFIED |
| FCFeralloy Corporation | Portland | OR | — | ◇ UNVERIFIED |
| FWFeralloy Wheeling | Wheeling | WV | — | ◇ UNVERIFIED |
| FMFerguson Mfg. CO. INC. | Spirit Lake | IA | — | ◇ UNVERIFIED |
| FIFerret, Inc. | Elkhart | IN | — | ◇ UNVERIFIED |
| FUFerroglobe USA Metallurgical, INC. (0684000105) | Waterford | OH | — | ◇ UNVERIFIED |
| FUFerro Union | City of Industry | CA | — | ◇ UNVERIFIED |
| FMFerrousouth/ferrous Metal Transfer | Iuka | MS | — | ◇ UNVERIFIED |
| FUFilaments Unlimited INC | Rahway | NJ | — | ◇ UNVERIFIED |
| FSFive Star Grinding | Covina | CA | — | ◇ UNVERIFIED |
| FIFlexmag Industries, INC. | Marengo | IL | — | ◇ UNVERIFIED |
| FIFloe International INC | Cambridge | MN | — | ◇ UNVERIFIED |
| FSFlores Steel Construction | Anaheim | CA | — | ◇ UNVERIFIED |
| FSFlorida Steel CORP Tampa Mill Division | Tampa | FL | — | ◇ UNVERIFIED |
| FSF&M Steel Services, Inc. | Washington | UT | — | ◇ UNVERIFIED |
| FAFollansbee & Associates INC. | Blawnox | PA | — | ◇ UNVERIFIED |
| FOFormer Okie Chem | Tulsa | OK | — | ◇ UNVERIFIED |
| FPForte' Products LLC | Argyle | WI | — | ◇ UNVERIFIED |
| FMFrancisco's Metal | Los Angeles | CA | — | ◇ UNVERIFIED |
| FSFrontier Steel | Neville Island | PA | — | ◇ UNVERIFIED |
| FSFurnace & Steel Mill | Seguin | TX | — | ◇ UNVERIFIED |
| GEGalactic Engineering LLC | Garfield | NJ | — | ◇ UNVERIFIED |
| GSGardner Steel Corporation | New Castle | PA | — | ◇ UNVERIFIED |
| GMGateway Metals, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| GMGayle Manufacturing CO INC | Woodland | CA | — | ◇ UNVERIFIED |
| GSGeneral Steel Drum, LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| GHGen H2 | Titusville | FL | — | ◇ UNVERIFIED |
| GGerdau | O Fallon | MO | — | ◇ UNVERIFIED |
| GGerdau | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| GGerdau | Oklahoma City | OK | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel US INC | Saint Paul | MN | — | ◇ UNVERIFIED |
