| DODawkins On-site, LLC - Missouri Portable Nucor | Sedalia | MO | — | ◇ UNVERIFIED |
| DSDefuniak Springs Block USA | Defuniak Springs | FL | — | ◇ UNVERIFIED |
 Dubose Strapping Inc.-treatment Plant #1 | Crawfordsville | IN | — | ◇ UNVERIFIED |
| EEEckart Effect Pigments | Louisville | KY | — | ◇ UNVERIFIED |
| EGElectralloy Go Carlson - Oil City Facility | Oil City | PA | — | ◇ UNVERIFIED |
| EMElkem Metals | Alloy | WV | — | ◇ UNVERIFIED |
| EREllwood Remelt Steel Proposed Var/esr Facility | New Castle, City of | PA | — | ◇ UNVERIFIED |
| EHEp Henry CORP Woodbury Plant | Woodbury | NJ | — | ◇ UNVERIFIED |
| EMEramet Marietta Metallurgical Plant | Marietta | OH | — | ◇ UNVERIFIED |
| EPEsco Phoenix | Phoenix | AZ | — | ◇ UNVERIFIED |
| FUFerroglobe USA Bridgeport, Llc, Fka-tennessee Alloys Corporation | Bridgeport | AL | — | ◇ UNVERIFIED |
| FRFlorida Rock 50th Street Ready Mix Plant | Tampa | FL | — | ◇ UNVERIFIED |
| FRFlorida Rock Alico Road Block Plant | Fort Myers | FL | — | ◇ UNVERIFIED |
| FPForterra Pipe & Precast-bonner Springs | Shawnee | KS | — | ◇ UNVERIFIED |
| FBFortress Block, Labelle Facility | Labelle | FL | — | ◇ UNVERIFIED |
| FBFortress Block LLC | Punta Gorda | FL | — | ◇ UNVERIFIED |
| FPFrederickson Paver and Block Plant Site | Tacoma | WA | — | ◇ UNVERIFIED |
| FSFrog Switch & Manufacturing CO | Carlisle | PA | — | ◇ UNVERIFIED |
| GEGateway Energy & Coke CO LLC | Granite City | IL | — | ◇ UNVERIFIED |
| GSGautier Steel Holdings Inc/gautier Steel Johnstown | Johnstown | PA | — | ◇ UNVERIFIED |
| GMGeorgia Masonry Supply Cartersville | Cartersville | GA | — | ◇ UNVERIFIED |
| GMGeorgia Masonry Supply (gms) Block | Tyrone | GA | — | ◇ UNVERIFIED |
| GMGeorgia Masonry Supply-jonesboro | Jonesboro | GA | — | ◇ UNVERIFIED |
| GMGeorgia Masonry Supply Lawrenceville Block | Lawrenceville | GA | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel US INC - Sms Mill Services LLC | Jackson | TN | — | ◇ UNVERIFIED |
| GMGlobe Metallurgical | Selma | AL | — | ◇ UNVERIFIED |
| GIGrand Isle Shipyard INC - Training Facility & Main Office | Galliano | LA | — | ◇ UNVERIFIED |
| GCGranite City Works of United States Steel CORP | Granite City | IL | — | ◇ UNVERIFIED |
| HIHannibal Industries INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| HPHanson Paver Products Haines City Plant | Haines City | FL | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products Southeast INC Pelham | Pelham | AL | — | ◇ UNVERIFIED |
| HMHarsco Minerals Briquetting LLC | East Chicago | IN | — | ◇ UNVERIFIED |
| HBHcm Block and Brick San Antonio Plant | San Antonio | TX | — | ◇ UNVERIFIED |
| HBHcm Block & Brick L.p. | Alleyton | TX | — | ◇ UNVERIFIED |
| HCHeadwaters Concrete Products - East Houston | Houston | TX | — | ◇ UNVERIFIED |
| HCHeadwaters Construction Materials - Dallas | Dallas | TX | — | ◇ UNVERIFIED |
| HCHeadwaters Construction Materials LLC - Eagle Lake | Eagle Lake | TX | — | ◇ UNVERIFIED |
| HCHoeganeas CORP | Riverton | NJ | — | ◇ UNVERIFIED |
| HAHp Acquisition Corp/e Hempfield | Lancaster | PA | — | ◇ UNVERIFIED |
| HCHydro Conduit San Antonio | Castroville | TX | — | ◇ UNVERIFIED |
| IBIpc Building Products Plant | Sugar Land | TX | — | ◇ UNVERIFIED |
| ILIronunits LLC | Toledo | OH | — | ◇ UNVERIFIED |
| ICIsg Columbus Coatings | Columbus | OH | — | ◇ UNVERIFIED |
| JBJay Battenberg | Bonner Springs | KS | — | ◇ UNVERIFIED |
| JPJensen Precast | North Las Vegas | NV | — | ◇ UNVERIFIED |
| JAJewel Acquisition LLC - Louisville | Louisville | OH | — | ◇ UNVERIFIED |
| JCJewell Concrete Products | Waco | TX | — | ◇ UNVERIFIED |
| JJJ J Ryan Corporation Southington Galvanize Division | Plantsville | CT | — | ◇ UNVERIFIED |
| JSJsw Steel USA Ohio (0641090010) | Mingo Junction | OH | — | ◇ UNVERIFIED |
| KSKeystone Steel & Wire CO | Peoria | IL | — | ◇ UNVERIFIED |
| KSKrm South, LLC - Plant 17 | Beaufort | SC | — | ◇ UNVERIFIED |
| LSLatrobe Spec Steel Sandycreek Svc Ctr | Franklin | PA | — | ◇ UNVERIFIED |
| LSLehigh Specialty Melting INC | Latrobe | PA | — | ◇ UNVERIFIED |
| MPMaschmeyer-cement Products | Lakeland | FL | — | ◇ UNVERIFIED |
| MCMaschmeyer Concrete CO of Florida INC | Debary | FL | — | ◇ UNVERIFIED |
| MMMetromont Materials CORP Holly Hill | Holly Hill | SC | — | ◇ UNVERIFIED |
| MMMiller Material CO | Kansas City | MO | — | ◇ UNVERIFIED |
| MMMm Metals USA LLC | Fairless Hills | PA | — | ◇ UNVERIFIED |
| NSNatl Steel & Shipbuilding a General Dynamics CO | San Diego | CA | — | ◇ UNVERIFIED |
| NUNew United Motor Manufacturing | Fremont | CA | — | ◇ UNVERIFIED |
| NINlmk Indiana | Portage | IN | — | ◇ UNVERIFIED |
| NANorthfield an Oldcastle Company | Sheffield Lake | OH | — | ◇ UNVERIFIED |
| NBNorthfield Block CO | Morris | IL | — | ◇ UNVERIFIED |
| NFNorthfield Forest View | Berwyn | IL | — | ◇ UNVERIFIED |
| NNorthfield-rhino | West Des Moines | IA | — | ◇ UNVERIFIED |
| NSNorth Star Steel CO | Monroe | MI | — | ◇ UNVERIFIED |
| NCNucor CORP - Darlington Plant | Darlington | SC | — | ◇ UNVERIFIED |
| NCNucor CORP - Nucor Steel | Blytheville | AR | — | ◇ UNVERIFIED |
| NSNucor Steel - a Div of Nucor CORP | Plymouth | UT | — | ◇ UNVERIFIED |
| NSNucor Steel Auburn INC | Auburn | NY | — | ◇ UNVERIFIED |
| NSNucor Steel Birmingham INC | Birmingham | AL | — | ◇ UNVERIFIED |
| NSNucor Steel - Cofield Facility | Cofield | NC | — | ◇ UNVERIFIED |
| NSNucor Steel Jackson INC | Flowood | MS | — | ◇ UNVERIFIED |
| NSNucor Steel Louisiana LLC | Convent | LA | — | ◇ UNVERIFIED |
| NSNucor Steel Marion, INC. (0351010017) | Marion | OH | — | ◇ UNVERIFIED |
| NSNucor Steel Seattle INC | Seattle | WA | — | ◇ UNVERIFIED |
| OOOberfields - Obetz, Oh Hardscapes Plant | Columbus | OH | — | ◇ UNVERIFIED |
| OSOberfields - Sunbury, Oh Masonry Plant | Sunbury | OH | — | ◇ UNVERIFIED |
| OAOldcastle Adams Products | Clarksville | TN | — | ◇ UNVERIFIED |
| OAOldcastle Apg Mid-atlantic | Chesapeake | VA | — | ◇ UNVERIFIED |
| OAOldcastle Apg Mid-atlantic Crofton, Md | Odenton | MD | — | ◇ UNVERIFIED |
| OAOldcastle Apg Mid-atlantic Richmond, Va | Richmond | VA | — | ◇ UNVERIFIED |
| OAOldcastle Apg New England | Victor | NY | — | ◇ UNVERIFIED |
| OAOldcastle Apg New England | Cranston | RI | — | ◇ UNVERIFIED |
| OAOldcastle Apg Northeast, INC. | West Lebanon | NH | — | ◇ UNVERIFIED |
| OCOldcastle Coastal Concrete Products | West Palm Beach | FL | — | ◇ UNVERIFIED |
| OCOldcastle Coastal Concrete Products | Orlando | FL | — | ◇ UNVERIFIED |
| OCOldcastle Coastal, INC. | Zephyrhills | FL | — | ◇ UNVERIFIED |
 Oldcastle Infrastructure INC. | Fredericksburg | VA | — | ◇ UNVERIFIED |
| OMOldcastle Matt Stone Holdings Incorporated | Cowpens | SC | — | ◇ UNVERIFIED |
| OPOldcastle Precast | Idaho Falls | ID | — | ◇ UNVERIFIED |
| OPOldcastle Precast | Avon | CT | — | ◇ UNVERIFIED |
| OSOutokumpu Stainless USA LLC | Mount Vernon | AL | — | ◇ UNVERIFIED |
| OCOwatonna Construction CO - Masonry | Medford | MN | — | ◇ UNVERIFIED |
| PBPabco Building Products (f#4070) | Sacramento | CA | — | ◇ UNVERIFIED |
| PCPalestine Concrete Tile CO. L.p. | Palestine | TX | — | ◇ UNVERIFIED |
| PPavestone | Grapevine | TX | — | ◇ UNVERIFIED |
| PPavestone | San Marcos | TX | — | ◇ UNVERIFIED |
| PCPavestone - Cape Girardeau, Mo Plant | Scott City | MO | — | ◇ UNVERIFIED |
| PCPavestone - Charlotte, Nc Plant | Charlotte | NC | — | ◇ UNVERIFIED |
