American Wilbert Vault Des Plaines | Des Plaines | IL | 20–99 | ◐ LIKELY ACTIVE |
| ACAmes Concrete Batch Plant at Glen Elder Dam (air) | Glen Elder | KS | — | ◐ LIKELY ACTIVE |
| ACAmes Concrete- Webster Dam | Stockton | KS | — | ◐ LIKELY ACTIVE |
| AMA & M Products | Spring Hill | KS | — | ◐ LIKELY ACTIVE |
| AMAmrize Mid-atlantic INC - Front Royal | Front Royal | VA | — | ◐ LIKELY ACTIVE |
| AIApac-kansas Inc-lone Elm Quarry | Olathe | KS | — | ◐ LIKELY ACTIVE |
| AMApplied Material Solutions, INC. | Elkhorn | WI | 100–499 | ◐ LIKELY ACTIVE |
| ANAquaserv New Warehouse and Production Facility | Memphis | TN | — | ◐ LIKELY ACTIVE |
| ACAries Chemical Inc (2) | Beaver Falls | NY | 20–99 | ◐ LIKELY ACTIVE |
| ABArnold Bros Concrete Inc. | Cape Coral | FL | 20–99 | ◐ LIKELY ACTIVE |
| ACArrow Concrete Company - Beaufort | Beaufort | SC | — | ◐ LIKELY ACTIVE |
| ALArxada, LLC | Morristown | NJ | — | ◐ LIKELY ACTIVE |
| ALArxada Llc/williamsport Plt | Williamsport | PA | — | ◐ LIKELY ACTIVE |
| ACAshland Chemical CO | Greensboro | NC | — | ◐ LIKELY ACTIVE |
| ACASK Chemicals LLC - Headquarters | Dublin | OH | 20–99 | ◐ LIKELY ACTIVE |
| ALAtk Launch Systems LLC | Corinne | UT | — | ◐ LIKELY ACTIVE |
| ACAtlantic Concrete MD, LLC | Cockeysville | MD | 20–99 | ◐ LIKELY ACTIVE |
| ACAtlantic Contracting and Material Company | Chantilly | VA | — | ◐ LIKELY ACTIVE |
| AMAtlantic Metrocast INC - Portsmouth | Portsmouth | VA | — | ◐ LIKELY ACTIVE |
| APAtlantic Precast Concrete | Tullytown | PA | 20–99 | ◐ LIKELY ACTIVE |
| AQAtlantic Quikrete | Berlin Boro | NJ | — | ◐ LIKELY ACTIVE |
| ACAtlas Crypt and Mfg. CO. | La Crescent | MN | — | ◐ LIKELY ACTIVE |
| AQATL Quikrete | Lithonia | GA | 20–99 | ◐ LIKELY ACTIVE |
| AUAtotech Usa, LLC | Rock Hill | SC | — | ◐ LIKELY ACTIVE |
| ASAurum Standards Group | Laramie | WY | — | ◐ LIKELY ACTIVE |
| AWAzure Water Services, LLC | West Haven | CT | — | ◐ LIKELY ACTIVE |
| BLBaldwin Lighting INC | Bay Minette | AL | — | ◐ LIKELY ACTIVE |
| BCBallard Concrete-deer Meadows Plant | Moundville | AL | — | ◐ LIKELY ACTIVE |
| BCBama Concrete Birmingham, Bessemer Plant | Bessemer | AL | — | ◐ LIKELY ACTIVE |
| BCBama Concrete Birmingham Woodstock Plant | Woodstock | AL | — | ◐ LIKELY ACTIVE |
| BCBama Concrete - Whitson Temporary Plant | Berry | AL | — | ◐ LIKELY ACTIVE |
| BCBanaszak Concrete Corporation | Davie | FL | — | ◐ LIKELY ACTIVE |
| BAB and B Concrete Company | Holly Springs | MS | — | ◐ LIKELY ACTIVE |
| BAB and B Concrete Company Inc, Pontotoc Division | Pontotoc | MS | — | ◐ LIKELY ACTIVE |
| BSBartoo Sand & Gravel INC | Truth Or Consequences | NM | — | ◐ LIKELY ACTIVE |
| BBasf | Vidalia | LA | 20–99 | ◐ LIKELY ACTIVE |
| BIBastech INC | Natchez | MS | — | ◐ LIKELY ACTIVE |
| BCBates County Redi-mix INC - Butler Plant | Butler | MO | — | ◐ LIKELY ACTIVE |
| BCBayou Concrete LLC - Tallahassee Four Points Plant | Tallahassee | FL | — | ◐ LIKELY ACTIVE |
| BFBayscience Formulators, LLC | Dudley | MA | 20–99 | ◐ LIKELY ACTIVE |
| BCBayshore Concrete Products CORP - Cape Charles | Cape Charles | VA | — | ◐ LIKELY ACTIVE |
| BMBc Mississippi INC | Columbus | MS | — | ◐ LIKELY ACTIVE |
| BSBecker & Scrivens Concrete Products, Inc. | Hillsdale | MI | 20–99 | ◐ LIKELY ACTIVE |
| BRBedford Ready Mix Concrete Company | Bedford | VA | — | ◐ LIKELY ACTIVE |
| BRBender Ready Mix INC | Santa Ana | CA | 20–99 | ◐ LIKELY ACTIVE |
| BCBenevento Concrete Nh LLC | Loudon | NH | — | ◐ LIKELY ACTIVE |
| BRBenton Ready Mix | Benton | AR | — | ◐ LIKELY ACTIVE |
| BCBestway Concrete CO | Windsor | CO | — | ◐ LIKELY ACTIVE |
| BCBexar Concrete Works I, Ltd | San Antonio | TX | 100–499 | ◐ LIKELY ACTIVE |
| BSBig Sky Scientific LLC | Sun River | MT | — | ◐ LIKELY ACTIVE |