| DMDluhos Metal Works INC. | El Campo | TX | — | ◇ UNVERIFIED |
| DIDoren, INC. | Wampum | PA | — | ◇ UNVERIFIED |
| DSDoric South, INC. | Demopolis | AL | — | ◇ UNVERIFIED |
| DCDow Corning Alabama, INC. | Mount Meigs | AL | — | ◇ UNVERIFIED |
| DSDowell Schlumberger INC | Prestonsburg | KY | — | ◇ UNVERIFIED |
| DCDrb Company | Snohomish | WA | — | ◇ UNVERIFIED |
| DMD&s Metal Solutions LLC | Gilbert | AZ | — | ◇ UNVERIFIED |
 D-tek Manufacturing | San Jose | CA | — | ◇ UNVERIFIED |
| DPDukane Precast CO | Naperville | IL | — | ◇ UNVERIFIED |
 Dunkirk Specialty Steel LLC | Dunkirk | NY | — | ◇ UNVERIFIED |
| DSDunn-wright Steel | Lapeer | MI | — | ◇ UNVERIFIED |
| DADura Art Stone INC | Fontana | CA | — | ◇ UNVERIFIED |
| DBDz Block, INC. | Wildwood | FL | — | ◇ UNVERIFIED |
| DBDz Block Plant | The Villages | FL | — | ◇ UNVERIFIED |
| EIEarly Iron Restoration | Rochester | MN | — | ◇ UNVERIFIED |
| ECEast Coast Steel, INC. | Sewell | NJ | — | ◇ UNVERIFIED |
| ESEastern Steel | Mount Hope | WV | — | ◇ UNVERIFIED |
| ETEastern Tank & Utility Services INC | Bluefield | WV | — | ◇ UNVERIFIED |
| EBEaston Block Supply | Florham Park | NJ | — | ◇ UNVERIFIED |
| EDE Dillon & Company-treatment Plant | Swords Creek | VA | — | ◇ UNVERIFIED |
| ETElemco Tool LTD | Clinton Twp | MI | — | ◇ UNVERIFIED |
| EBElston Block Plant | Chicago | IL | — | ◇ UNVERIFIED |
| ESElwood Staffing Services, INC. | Middletown | PA | — | ◇ UNVERIFIED |
 Embassy Powdered Metals/emporium | Emporium | PA | — | ◇ UNVERIFIED |
| EAEmc Ashtabula INC (0204010003) | Ashtabula | OH | — | ◇ UNVERIFIED |
| ESEmery Sapp and Sons INC | Hiwasse | AR | — | ◇ UNVERIFIED |
| EDEMK Development Group, LLC | New Philadelphia | OH | — | ◇ UNVERIFIED |
| EAEngineered Alloys LLC | Chattanooga | TN | — | ◇ UNVERIFIED |
| EAEngineered Arresting Systems CORP | Logan Twp | NJ | — | ◇ UNVERIFIED |
| EPE P Henry CORP | New Jersey | NJ | — | ◇ UNVERIFIED |
| EPE P Henry Corporation | Parker Ford | PA | — | ◇ UNVERIFIED |
| EPEquip Pro | Temecula | CA | — | ◇ UNVERIFIED |
| EMEramet Marietta INC. (0684020006) | Marietta | OH | — | ◇ UNVERIFIED |
| EMErnest Maier INC. | Ocean City | MD | — | ◇ UNVERIFIED |
| EGEsab Group INC | Ashtabula | OH | — | ◇ UNVERIFIED |
| EMEulls Manufacturing Company INC | Saint Michael | MN | — | ◇ UNVERIFIED |
| EBEvansville Block CO Dba Miller Block & Brick CO | Evansville | IN | — | ◇ UNVERIFIED |
| ECEvraz Claymont Steel | Claymont | DE | — | ◇ UNVERIFIED |
| ESExotic Sounds and Wheel Company | West Palm Beach | FL | — | ◇ UNVERIFIED |
| EVExploratory Ventures, LLC | Osceola | AR | — | ◇ UNVERIFIED |
| FSFamily System Solution Wheel INC | Miramar | FL | — | ◇ UNVERIFIED |
| FBFay Block Materials, INC. | Fayetteville | NC | — | ◇ UNVERIFIED |
| FFecr | Jacksonville | FL | — | ◇ UNVERIFIED |
| FMFederated Metals CORP | Whiting | IN | — | ◇ UNVERIFIED |
| FPFelman Prodduction LLC | New Haven | WV | — | ◇ UNVERIFIED |
| FWFeralloy Wheeling | Wheeling | WV | — | ◇ UNVERIFIED |
| FUFerroglobe USA Metallurgical, INC. (0684000105) | Waterford | OH | — | ◇ UNVERIFIED |
| FPFirebaugh Precast, INC. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| FPFirerock Products, LLC | Fairfield | AL | — | ◇ UNVERIFIED |
| FSFive Star Grinding | Covina | CA | — | ◇ UNVERIFIED |
| FBFlemington Block & Supply CO | Raritan Twp | NJ | — | ◇ UNVERIFIED |
| FSFlores Steel Construction | Anaheim | CA | — | ◇ UNVERIFIED |
| FRFlorida Rock Industries INC | Jacksonville | FL | — | ◇ UNVERIFIED |
| FSFlorida Steel CORP Tampa Mill Division | Tampa | FL | — | ◇ UNVERIFIED |
| FFmyp2 | Fort Myers | FL | — | ◇ UNVERIFIED |
| FOFormer Okie Chem | Tulsa | OK | — | ◇ UNVERIFIED |
| FPForte' Products LLC | Argyle | WI | — | ◇ UNVERIFIED |
| FPForterra Pipe & Precast, LLC | Elgin | TX | — | ◇ UNVERIFIED |
| FRForterra Roof Tile INC | Fort Myers | FL | — | ◇ UNVERIFIED |
| FBFreeway Building Materials | Perris | CA | — | ◇ UNVERIFIED |
| FSFrontier Steel | Neville Island | PA | — | ◇ UNVERIFIED |
| GPGagne Precast Concrete Products, INC. | Veazie | ME | — | ◇ UNVERIFIED |
| GEGalactic Engineering LLC | Garfield | NJ | — | ◇ UNVERIFIED |
| GMGayle Manufacturing CO INC | Woodland | CA | — | ◇ UNVERIFIED |
| GEGC Easter Corp | Floresville | TX | — | ◇ UNVERIFIED |
| GSGeneral Shale Brick, INC. | Memphis | TN | — | ◇ UNVERIFIED |
| GSGeneral Shale Brick, INC. Dba Tri-cities Block - Plant #58 | Piney Flats | TN | — | ◇ UNVERIFIED |
| GSGeneral Shale INC. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| GCGenest Concrete | Biddeford | ME | — | ◇ UNVERIFIED |
| GMGeorgia Masonry Supply-macon | Macon | GA | — | ◇ UNVERIFIED |
| GMGeorgia Masonry Supply Montgomery | Montgomery | AL | — | ◇ UNVERIFIED |
| GGerdau | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| GGerdau | O Fallon | MO | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel US INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel US INC. | Jackson | TN | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel Us, INC. | Duluth | GA | — | ◇ UNVERIFIED |
| GSGhent Steel Industries LLC | Warsaw | KY | — | ◇ UNVERIFIED |
| GSGkn Sinter Metals - Emporium Boro Plant 2 | Emporium | PA | — | ◇ UNVERIFIED |
| GGGlen Gery CORP Landmark Stone Products LLC | Cynthiana | KY | — | ◇ UNVERIFIED |
| GGGlen Gery Corporation | Summerville | PA | — | ◇ UNVERIFIED |
| GBGlenstone Block Co-glenstone Block CO | Springfield | MO | — | ◇ UNVERIFIED |
| GMGlobe Metallurgical INC | Niagara Falls | NY | — | ◇ UNVERIFIED |
| GCGo Carlson | Peachtree City | GA | — | ◇ UNVERIFIED |
| GPGoc Property Hodings Redevelopment Pennzoil Refinery | Rouseville | PA | — | ◇ UNVERIFIED |
| GCGrand Concourse - Historic District 675 Walton Ave INC | Bronx | NY | — | ◇ UNVERIFIED |
| GMGraymont Materials, INC. | Plattsburgh | NY | — | ◇ UNVERIFIED |
| GLGreat Lakes an Oldcastle Company | Sheffield | OH | — | ◇ UNVERIFIED |
 Great Lakes Concrete Products LLC | Hamburg | NY | — | ◇ UNVERIFIED |
| GLGreat Lakes Minerals LLC | Wurtland | KY | — | ◇ UNVERIFIED |
| GCGreen Cold Formed Steel LLC | Edinburg | TX | — | ◇ UNVERIFIED |
| HMHalstead Management Company LLC | New York | NY | — | ◇ UNVERIFIED |
| HPHanover Prest Paving Brick Plt | Hanover | PA | — | ◇ UNVERIFIED |
| HPHanson Paver Products INC | Pompano Beach | FL | — | ◇ UNVERIFIED |
| HPHanson Pipe & Precast INC Hanover Block Plant | Ashland | VA | — | ◇ UNVERIFIED |
| HPHanson Pipe & Precast INC Petersburg Block Plant | Prince George | VA | — | ◇ UNVERIFIED |
| HIHarsco Infrastructure | Marion | OH | — | ◇ UNVERIFIED |
| HMHarsco Metals Bri Llc/braddock | Braddock | PA | — | ◇ UNVERIFIED |
| HCH C Muddox | Ione | CA | — | ◇ UNVERIFIED |
| HCH C Muddox-sacramento | Sacramento | CA | — | ◇ UNVERIFIED |
| HWHead West INC | Compton | CA | — | ◇ UNVERIFIED |
