| PCPavestone - Cincinnati, Oh Plant | Cincinnati | OH | — | ◇ UNVERIFIED |
| PCPavestone Cst - Branchville, Nj Plant | Branchville | NJ | — | ◇ UNVERIFIED |
| PCPavestone Cst - Montgomery, Ny Plant | Montgomery | NY | — | ◇ UNVERIFIED |
| PLPavestone - Las Vegas, Nv Plant | Las Vegas | NV | — | ◇ UNVERIFIED |
| PLPavestone - Lee's Summit, Mo Plant | Lees Summit | MO | — | ◇ UNVERIFIED |
| PNPavestone - New Orleans, La Plant | Lacombe | LA | — | ◇ UNVERIFIED |
| PTPavestone - Tyrone, Ga Plant | Tyrone | GA | — | ◇ UNVERIFIED |
| PWPavestone - Winters, Ca Plant | Winters | CA | — | ◇ UNVERIFIED |
| PBPreferred-edgewater Block | Edgewater | FL | — | ◇ UNVERIFIED |
| PMPreferred Materials - Goldenrod Cbp | Winter Park | FL | — | ◇ UNVERIFIED |
| PMPreferred Materials INC | Punta Gorda | FL | — | ◇ UNVERIFIED |
| PMPreferred Materials INC | Odessa | FL | — | ◇ UNVERIFIED |
| PMPreferred Materials-winter Garden Cbp | Winter Garden | FL | — | ◇ UNVERIFIED |
| PMPrime Metals Acquisition LLC - Lucerne Mines | Lucernemines | PA | — | ◇ UNVERIFIED |
| QBQuikrete - Bowman, Sc Plant | Bowman | SC | — | ◇ UNVERIFIED |
| QHQuikrete - Hagerstown, Md Plant | Hagerstown | MD | — | ◇ UNVERIFIED |
| QKQuikrete - Kansas City 2 Plant | Kansas City | MO | — | ◇ UNVERIFIED |
| RBRedland Brick Incorporated - Lawrenceville Plant | Lawrenceville | VA | — | ◇ UNVERIFIED |
| RERepublic Engineered Products INC | Blasdell | NY | — | ◇ UNVERIFIED |
| RMRocky Mountain Steel Mill | Pueblo | CO | — | ◇ UNVERIFIED |
| STSalem Tube Mfg | Greenville | PA | — | ◇ UNVERIFIED |
| SSSand Springs | Sand Springs | OK | — | ◇ UNVERIFIED |
| SMSandvik Materials Technology | Houston | TX | — | ◇ UNVERIFIED |
| SBSierra Building Products | Stockton | CA | — | ◇ UNVERIFIED |
| SSSmi Steel LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| SMSpecial Metals | Princeton | KY | — | ◇ UNVERIFIED |
| SDSteel Dynamics Incorporated | Butler | IN | — | ◇ UNVERIFIED |
| SDSteel Dynamics Southwest - Sinton Division | Sinton | TX | — | ◇ UNVERIFIED |
| SDSteel Dynamics Structural | Columbia City | IN | — | ◇ UNVERIFIED |
| SWSteel Warehouse Company, LLC. | Calvert | AL | — | ◇ UNVERIFIED |
| SLSt. Louis Diecasting | Bridgeton | MO | — | ◇ UNVERIFIED |
| SBSuperlite Block | Phoenix | AZ | — | ◇ UNVERIFIED |
| SBSuperlite Block | Tucson | AZ | — | ◇ UNVERIFIED |
| SBSuperlite Block INC | Gilbert | AZ | — | ◇ UNVERIFIED |
| SBSuperlite Block INC. | Chandler | AZ | — | ◇ UNVERIFIED |
| SBSuperlite Block INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| SISwva INC | Huntington | WV | — | ◇ UNVERIFIED |
| TCTechalloy CO INC | Union | IL | — | ◇ UNVERIFIED |
| TCThyssenkrupp Crankshaft Company | Veedersburg | IN | — | ◇ UNVERIFIED |
| TFTitan Florida-orlando Block Plant | Orlando | FL | — | ◇ UNVERIFIED |
| TATremron - Arcadia, Fl Plant | Arcadia | FL | — | ◇ UNVERIFIED |
| TDTremron - Douglasville, Ga Plant | Douglasville | GA | — | ◇ UNVERIFIED |
| TJTremron - Jacksonville, Fl Plant | Jacksonville | FL | — | ◇ UNVERIFIED |
| TLTremron - Lakeland, Fl Plant | Lakeland | FL | — | ◇ UNVERIFIED |
| TCTube City Ims | Norfolk | NE | — | ◇ UNVERIFIED |
| TCTube City Ims/slag Processing | Braddock | PA | — | ◇ UNVERIFIED |
| USUnited States Steel Corporationfairfield Pipe Mil | Fairfield | AL | — | ◇ UNVERIFIED |
| UDUS Denro Steels | Baytown | TX | — | ◇ UNVERIFIED |
| UPUS Pipe & Foundry CO | Bessemer | AL | — | ◇ UNVERIFIED |
| UCUss Corp/edgar Thomson Works | Braddock | PA | — | ◇ UNVERIFIED |
| UMUss Mon Valley Works - Irvin Plant | West Mifflin | PA | — | ◇ UNVERIFIED |
| USUS Steel Fairless Hills Works | Fairless Hills | PA | — | ◇ UNVERIFIED |
| VSVast Sumitec INC | Benton Harbor | MI | — | ◇ UNVERIFIED |
| VPVcna Prestige Concrete-groveland | Groveland | FL | — | ◇ UNVERIFIED |
| VIVest INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| VCVictaulic Company/alburtis Facility | Alburtis | PA | — | ◇ UNVERIFIED |
| VVoestalpine | Portland | TX | — | ◇ UNVERIFIED |
| WCWatkins Concrete Block CO | Omaha | NE | — | ◇ UNVERIFIED |
| WDWells Denver Precast | Brighton | CO | — | ◇ UNVERIFIED |
| WRWestlake Royal Stone LLC | Chester | SC | — | ◇ UNVERIFIED |
| WSWhemco Steel Castings Inc/west Homestead | Homestead | PA | — | ◇ UNVERIFIED |
| WGWillamette Graystone - Eugene, Or Block Plant | Eugene | OR | — | ◇ UNVERIFIED |
| WGWillamette Graystone - Wood Village, Or Paver Plan | Troutdale | OR | — | ◇ UNVERIFIED |
| 2F2000 Foundation Products LLC - GA MFG | Garland | TX | 20–99 | ◐ LIKELY ACTIVE |
| EC"4018 - Eau Claire Concrete Plant" | Eau Claire | WI | 20–99 | ◐ LIKELY ACTIVE |
| EC"4019 - Eau Claire Bagging Plant" | Eau Claire | WI | 20–99 | ◐ LIKELY ACTIVE |
| EC"4041 - Eau Claire Concrete Admin" | Eau Claire | WI | 20–99 | ◐ LIKELY ACTIVE |
| SC"4118 - Sullivan Concrete Plant" | Sullivan | MO | 20–99 | ◐ LIKELY ACTIVE |
| PC"4218 - Plano Concrete Plant" | Plano | IL | 20–99 | ◐ LIKELY ACTIVE |
| HC"4318 - Holiday City Concrete Plant" | Holiday City | OH | 20–99 | ◐ LIKELY ACTIVE |
| JC"4378 - Jeffersonville Concrete Plant" | Washington Ct House | OH | 20–99 | ◐ LIKELY ACTIVE |
| SR"4418 - Shell Rock Concrete Plant" | Shell Rock | IA | 20–99 | ◐ LIKELY ACTIVE |
| SB"4419 - Shelby Bagging Plant" | Shelby | IA | 20–99 | ◐ LIKELY ACTIVE |
| VC"4518 - Valley Concrete Plant" | Valley | NE | 20–99 | ◐ LIKELY ACTIVE |
| TH"4618 - Terre Haute Concrete Plant" | Terre Haute | IN | 20–99 | ◐ LIKELY ACTIVE |
| IR"4719 - Iron Ridge Concrete Bagging" | Iron Ridge | WI | 20–99 | ◐ LIKELY ACTIVE |
| SC"4818 - Saginaw Concrete Plant" | Saginaw | MI | 20–99 | ◐ LIKELY ACTIVE |
| MC"4918 - McKenzie Concrete Plant" | Mckenzie | ND | 20–99 | ◐ LIKELY ACTIVE |
| ACABC Coating Co of Illinois | Manteno | IL | 20–99 | ◐ LIKELY ACTIVE |
| AIAlcon Industries, INC. | Cleveland | OH | — | ◐ LIKELY ACTIVE |
| AFAllied Fabricators, LLC | Mc Gregor | TX | 20–99 | ◐ LIKELY ACTIVE |
| AAlloy | Springdale | PA | 1–19 | ◐ LIKELY ACTIVE |
| AUAlloy Unlimited Processing LLC | Austintown | OH | 1–19 | ◐ LIKELY ACTIVE |
| ACAM Calvert | Calvert | AL | 500+ | ◐ LIKELY ACTIVE |
| ASAmerican Steel Castings LLC | Midland | PA | — | ◐ LIKELY ACTIVE |
| AVAmerican Veterans Steel LLC | Southwest Ranches | FL | — | ◐ LIKELY ACTIVE |
| AAmg | Sylacauga | AL | 20–99 | ◐ LIKELY ACTIVE |
| ABAMICO - Birmingham | Birmingham | AL | 20–99 | ◐ LIKELY ACTIVE |
| ABAngelus Block - Bakersfield | Bakersfield | CA | 20–99 | ◐ LIKELY ACTIVE |
| ABAngelus Block - Fontana | Fontana | CA | 20–99 | ◐ LIKELY ACTIVE |
| ABAngelus Block - Indio | Indio | CA | 20–99 | ◐ LIKELY ACTIVE |
| ABAngelus Block - Oxnard | Oxnard | CA | 20–99 | ◐ LIKELY ACTIVE |
| ABAngelus Block - Rialto | Rialto | CA | 20–99 | ◐ LIKELY ACTIVE |
| ACAPG - Cartersville | Cartersville | GA | 20–99 | ◐ LIKELY ACTIVE |
| ADAPG- Denton | Denton | TX | 1–19 | ◐ LIKELY ACTIVE |
| AFAPG - Florence | Florence | AL | 20–99 | ◐ LIKELY ACTIVE |
| AGAPG - Gilroy | Gilroy | CA | 20–99 | ◐ LIKELY ACTIVE |
| AJAPG- Jonesboro GA | Jonesboro | GA | 20–99 | ◐ LIKELY ACTIVE |
| ALAPG- Lawrenceville Mfg | Lawrenceville | GA | 20–99 | ◐ LIKELY ACTIVE |
| AMAPG - Macon GA | Macon | GA | 1–19 | ◐ LIKELY ACTIVE |