| AIAstec Industries | Yankton | SD | — | ◐ LIKELY ACTIVE |
| AIAstec Industries, Pdc | Prairie Du Chien | WI | — | ◐ LIKELY ACTIVE |
| BRBig River Industries Gravelite Division | Erwinville | LA | — | ◐ LIKELY ACTIVE |
| BHBrion Hardin Construction Co., INC. | Tuscaloosa | AL | — | ◐ LIKELY ACTIVE |
| BIBurrell Industries INC. | New Kensington | PA | — | ◐ LIKELY ACTIVE |
| CCCarbo Ceramics INC | New Iberia | LA | — | ◐ LIKELY ACTIVE |
| CCaterpillar | Aurora | IL | — | ◐ LIKELY ACTIVE |
| CCCaterpillar Const Equip Mfg | York | PA | — | ◐ LIKELY ACTIVE |
| CCCentral Concrete Supply Company | San Jose | CA | — | ◐ LIKELY ACTIVE |
| CMC.j. Moyna and Sons, INC. | Elkader | IA | — | ◐ LIKELY ACTIVE |
| CBCleveland Bros Equip CO Inc/camp Hill | Camp Hill | PA | — | ◐ LIKELY ACTIVE |
| CMCleveland Mica CO | Lakewood | OH | — | ◐ LIKELY ACTIVE |
| DMDagsboro Materials/division of Haines & Kibbleho | Millsboro | DE | — | ◐ LIKELY ACTIVE |
| DFDay, F.o. Bituminous - Piney Mtg | Rockville | MD | — | ◐ LIKELY ACTIVE |
| ECEdw C Levy CO - Plant 3 | Ecorse | MI | — | ◐ LIKELY ACTIVE |
| FRFabrizi Recycling, INC. | Middleburg Heights | OH | — | ◐ LIKELY ACTIVE |
| HCHarsco CORP. | La Cygne | KS | — | ◐ LIKELY ACTIVE |
| HMHarsco Metals Plant 1 | Gadsden | AL | — | ◐ LIKELY ACTIVE |
| IOImerys Oilfield Solutions | Wrens | GA | — | ◐ LIKELY ACTIVE |
| IPImerys Perlite Usa, INC. | Lake Wales | FL | — | ◐ LIKELY ACTIVE |
| JIJlg Ind Inc/state Line Wrecker Plt | Greencastle | PA | — | ◐ LIKELY ACTIVE |
| KQKutztown Quarry | Kutztown | PA | — | ◐ LIKELY ACTIVE |
| LCLafarge CORP Duquesne_plant | Pittsburgh | PA | — | ◐ LIKELY ACTIVE |
| LILiebherr-america INC | Newport News | VA | — | ◐ LIKELY ACTIVE |
| LCLincoln Contr & Equip Co/boswell | Stoystown | PA | — | ◐ LIKELY ACTIVE |
| MIManatts INC | Ankeny | IA | — | ◐ LIKELY ACTIVE |
| MLMicro-lite, L.l.c. | Buffalo | KS | — | ◐ LIKELY ACTIVE |
| NRNorwalk Ready Mix | Grimes | IA | — | ◐ LIKELY ACTIVE |
| PGPhoenix Global | Riverdale | IL | — | ◐ LIKELY ACTIVE |
| QEQuality Enterprises USA INC | Naples | FL | — | ◐ LIKELY ACTIVE |
| RMRaptor Materials - Portable Crusher/scre | Frederick | CO | — | ◐ LIKELY ACTIVE |
| RMRecovermat Mid-atlantic, LLC | Baltimore | MD | — | ◐ LIKELY ACTIVE |
| RIRichway Industries, Limited | Janesville | IA | — | ◐ LIKELY ACTIVE |
| SCSilbrico Corp/easton | Forks Township | PA | — | ◐ LIKELY ACTIVE |
| SISolem Industries | Fairmount | GA | — | ◐ LIKELY ACTIVE |
| SSSouth Shore Slag LLC - Contractor of Uss Gary Works (00121) | Gary | IN | — | ◐ LIKELY ACTIVE |
| SMStandard Mineral Company Incorporated | Robbins | NC | — | ◐ LIKELY ACTIVE |
| TSTerex South Dakota - Main Plant | Watertown | SD | — | ◐ LIKELY ACTIVE |
| TMThe Manitowoc Company, INC. | Manitowoc | WI | — | ◐ LIKELY ACTIVE |
| TITms International, LLC | Broadview Heights | OH | — | ◐ LIKELY ACTIVE |
| TSTraylor Shea Precast, Ajv | Stockton | CA | — | ◐ LIKELY ACTIVE |
| TUTrebol USA LLC | Andrews | SC | — | ◐ LIKELY ACTIVE |
| UUrbix | Mesa | AZ | — | ◐ LIKELY ACTIVE |
| USUS Silica Millen Plant-sand Unloading Facility and Bagging Facility | Millen | GA | — | ◐ LIKELY ACTIVE |
| VCVulcan Const Mat LP Anderson Quarry | Anderson | SC | — | ◐ LIKELY ACTIVE |
| VCVulcan Construction Material Limited Partnership Pacolet Quarry | Pacolet | SC | — | ◐ LIKELY ACTIVE |
| WEWausau Equipment Company INC | New Berlin | WI | — | ◐ LIKELY ACTIVE |
| WDWilliam Dickson CO | Puyallup | WA | — | ◐ LIKELY ACTIVE |
| ZIZiegler INC - Bloomington | Minneapolis | MN | — | ◐ LIKELY ACTIVE |
| 2C2r Construction Midway Site | Shreveport | LA | — | ◇ UNVERIFIED |