| ATAmerenue Taum Sauk Plant | Centerville | MO | — | ◇ UNVERIFIED |
| ACAmerican Concrete | Taylorsville | KY | — | ◇ UNVERIFIED |
| ACAmerican Concrete (air) | Pittsburg | KS | — | ◇ UNVERIFIED |
| ACAmerican Concrete INC. | Aiken | SC | — | ◇ UNVERIFIED |
| ACAmerican Concrete, INC. | Morganton | NC | — | ◇ UNVERIFIED |
| ACAmerican Concrete of Wny | Lockport | NY | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products | Johnston | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products - Guthrie Center | Guthrie Center | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products INC | Lakota | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products INC | Jefferson | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products INC | Adel | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products Incorporated | Mount Ayr | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products Ms Inc, Hattiesburg Plant | Hattiesburg | MS | — | ◇ UNVERIFIED |
| ACAmerican Concrete Supply Atmore Plant | Atmore | AL | — | ◇ UNVERIFIED |
| ACAmerican Concrete Supply Flomaton Plant | Flomaton | AL | — | ◇ UNVERIFIED |
| ACAmerican Concrete Supply - Foley | Foley | AL | — | ◇ UNVERIFIED |
| ACAmerican Concretesupply, INC - Cantonment Plant | Cantonment | FL | — | ◇ UNVERIFIED |
| ACAmerican Concrete Supply - Stapleton | Stapleton | AL | — | ◇ UNVERIFIED |
| AMAmerican Materials - Eau Claire | Eau Claire | WI | — | ◇ UNVERIFIED |
| AMAmerican Materials - Menomonie | Menomonie | WI | — | ◇ UNVERIFIED |
| APAmerican Pre-mix Concrete Gholson Plant | Waco | TX | — | ◇ UNVERIFIED |
| ARAmerican Ready Mix-fenton | Saint Louis | MO | — | ◇ UNVERIFIED |
| ARAmerican Ready Mix LLC | Gulfport | MS | — | ◇ UNVERIFIED |
| ARAmerican Rock Products Hanford | Richland | WA | — | ◇ UNVERIFIED |
 American Wilbert Vault CORP | Chicago | IL | — | ◇ UNVERIFIED |
| AMAmeri-con Materials INC | Tryon | NC | — | ◇ UNVERIFIED |
| AIAmericrete Inc, Plant Number 5, Philadelphia | Philadelphia | MS | — | ◇ UNVERIFIED |
| AMAmrize Mid Atlantic INC. | Ashland | VA | — | ◇ UNVERIFIED |
| AMAmrize Mid-atlantic INC - Dumfries | Dumfries | VA | — | ◇ UNVERIFIED |
| AMAmrize Mid-atlantic INC - Stephens City | Stephens City | VA | — | ◇ UNVERIFIED |
| ASAnchorage Sand and Gravel Klatt Rd Facility | Anchorage | AK | — | ◇ UNVERIFIED |
| AAAnchor an Oldcastle CO | Fredonia | PA | — | ◇ UNVERIFIED |
| ACAnchor Concrete Prods. | Phillipsburg | NJ | — | ◇ UNVERIFIED |
| ACAnchor Concrete Products | Gainesville | VA | — | ◇ UNVERIFIED |
| ARAndale Ready Mix Central- Port. Plt 1 (water) | Harper | KS | — | ◇ UNVERIFIED |
| ACAnderson Concrete Corp-plant #5 | Westerville | OH | — | ◇ UNVERIFIED |
| ACAnderson Concrete Plant #9 | Johnstown | OH | — | ◇ UNVERIFIED |
| ARAndesite Rock CO | Longmont | CO | — | ◇ UNVERIFIED |
| ARAndesite Rock Company | Henderson | CO | — | ◇ UNVERIFIED |
| ASAndrew Shirk Dba East Mississippi Concrete | Macon | MS | — | ◇ UNVERIFIED |
| APAndrews Prestressed Concrete INC | Clear Lake | IA | — | ◇ UNVERIFIED |
| ACAngelle Concrete | Denham Springs | LA | — | ◇ UNVERIFIED |
| ACAngelle Concrete CO - Crowley Facility | Crowley | LA | — | ◇ UNVERIFIED |
| ABAngelus Block CO INC | Sun Valley | CA | — | ◇ UNVERIFIED |
| ABAngelus Block CO INC | Fontana | CA | — | ◇ UNVERIFIED |
| ABAngelus Block Company | Oxnard | CA | — | ◇ UNVERIFIED |
| AGAnimas Glacier Gravel | Durango | CO | — | ◇ UNVERIFIED |
| AMAnniston Mobile Refurbishing Unit | Anniston | AL | — | ◇ UNVERIFIED |
| AAApac Atlantic, INC. Harrison Division / Cmi (dandridge) | Dandridge | TN | — | ◇ UNVERIFIED |
| AAApac Atlantic INC Myrtle Beach Plt #603 | Myrtle Beach | SC | — | ◇ UNVERIFIED |
