| ALA & L's Construction and Redi-mix | Chicago Heights | IL | — | ◇ UNVERIFIED |
| ALA & L Septic Tank Products, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| ASAltamont Sidewalk | Altamont | KS | — | ◇ UNVERIFIED |
| ACAlvarado Cbp | Alvarado | TX | — | ◇ UNVERIFIED |
| ATAmador Transit Mix - Jackson | Jackson | CA | — | ◇ UNVERIFIED |
| A1Amarillo 1 | Amarillo | TX | — | ◇ UNVERIFIED |
| AMA Materials Group INC | Williston | FL | — | ◇ UNVERIFIED |
| AMA Materials Group, LLC | Fanning Springs | FL | — | ◇ UNVERIFIED |
| ASAmbassador Stone, LLC | Shawnee | OK | — | ◇ UNVERIFIED |
| ACAmber Chemical INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| ACAm Chemicals LLC | Vista | CA | — | ◇ UNVERIFIED |
| ALAm-c LLC | Coffeen | IL | — | ◇ UNVERIFIED |
| ALAmCorp, LLC | Trenton | TX | — | ◇ UNVERIFIED |
| APAmcor Precast | Idaho Falls | ID | — | ◇ UNVERIFIED |
| AUAMDI USA, Inc. | Fort Myers | FL | — | ◇ UNVERIFIED |
| ARAmelia Rmc Plant | Amelia Court House | VA | — | ◇ UNVERIFIED |
| ARAmelia Rmc Plant | Amelia | VA | — | ◇ UNVERIFIED |
| ARAme Red-e-mix INC | Elk River | MN | — | ◇ UNVERIFIED |
| AMAmerica Materials | Glenview | IL | — | ◇ UNVERIFIED |
| ABAmerican Bentonite International, INC. | Rockford | IL | — | ◇ UNVERIFIED |
| ABAmerican Bentonite International, INC. | Rockford | IL | — | ◇ UNVERIFIED |
| ACAmerican Civil Constructors West Coast | Costa Mesa | CA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products - Algona | Algona | IA | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products CO. | Valley | NE | — | ◇ UNVERIFIED |
| ACAmerican Concrete Supply INC. | Milton | FL | — | ◇ UNVERIFIED |
| ACAmerican Concrete Supply, INC. -fairhope | Fairhope | AL | — | ◇ UNVERIFIED |
| AEAmerican Eagle Ready Mix, LLC | North Las Vegas | NV | — | ◇ UNVERIFIED |
| ALAmerican Lithium Energy | Vista | CA | — | ◇ UNVERIFIED |
| AMAmerican Materials Corporation | Trenton | TX | — | ◇ UNVERIFIED |
| APAmerican Precast Concrete, Inc. | Calabasas | CA | — | ◇ UNVERIFIED |
| APAmerican Pre-mix Concrete CO. | Waco | TX | — | ◇ UNVERIFIED |
| ARAmerican Ready Mix | Fernley | NV | — | ◇ UNVERIFIED |
| ARAmerican Ready-mix - Greg Street | Sparks | NV | — | ◇ UNVERIFIED |
| ARAmerican Ready Mix - Moundhouse Facility | Carson City | NV | — | ◇ UNVERIFIED |
| ARAmerican Ready Mix Tracy Clark Plant | Sparks | NV | — | ◇ UNVERIFIED |
| ARAmerican Redi Mix CORP | Bolingbrook | IL | — | ◇ UNVERIFIED |
| ARAmerican Rock Products | Hermiston | OR | — | ◇ UNVERIFIED |
| ASAmerican Solder & Flux Co., INC. | Paoli | PA | — | ◇ UNVERIFIED |
| ATAmerican Tank & Concrete Service | Greensburg | PA | — | ◇ UNVERIFIED |
| ARAmerica's Renewable Energy LLC | Quincy | IL | — | ◇ UNVERIFIED |
| APAmeron Pole Products Division | Fillmore | CA | — | ◇ UNVERIFIED |
| ACAmes Construction- Glen Elder Dam | Glen Elder | KS | — | ◇ UNVERIFIED |
| ACAmes Construction INC. - Webster Dam | Stockton | KS | — | ◇ UNVERIFIED |
| APA&m Products Manufacturing Company | Martinsburg | WV | — | ◇ UNVERIFIED |
| AMA. M. Pyrotechnic Displays, LLC | Buffalo | MO | — | ◇ UNVERIFIED |
| AMAmrize Mid Atlantic INC Dba Patriot Ready Mix - Portable 21602 | Boydton | VA | — | ◇ UNVERIFIED |
| AMAmrize Mid Atlantic INC - Portable 52923 | Richmond | VA | — | ◇ UNVERIFIED |
| ACAmtec Corporation | Huntsville | AL | — | ◇ UNVERIFIED |
| AMA & M Victorian Decorations INC | South El Monte | CA | — | ◇ UNVERIFIED |
| ASAnatoliy Stone Products INC | Pendleton | SC | — | ◇ UNVERIFIED |
| AAnatrace | Holland | OH | — | ◇ UNVERIFIED |
| AIAnchor Ibc | Orange Park | FL | — | ◇ UNVERIFIED |
| ARAndale Ready Mix Central INC - Portable 52794 | Ashland | VA | — | ◇ UNVERIFIED |
| ARAndale Ready Mix - Milan | Milan | KS | — | ◇ UNVERIFIED |
| ARAndale Ready Mix - Milan (portable)(air) | Milan | KS | — | ◇ UNVERIFIED |
| APAndrew's Prestressed Concrete | Clear Lake | IA | — | ◇ UNVERIFIED |
| ACAngels Concrete Corporation | Irwindale | CA | — | ◇ UNVERIFIED |
| AHAnimal Health & Sciences, INC. | Thomaston | GA | — | ◇ UNVERIFIED |
| ATAntifreeze Technology Systems | Goffstown | NH | — | ◇ UNVERIFIED |
| ABAntioch Building Materials | Brentwood | CA | — | ◇ UNVERIFIED |
| AIAn-wil INC | Riverside | CA | — | ◇ UNVERIFIED |
| AIApac-central, Inc., Fayetteville Ready Mix | Fayetteville | AR | — | ◇ UNVERIFIED |
| AJApache Junction Plant #31 | Apache Junction | AZ | — | ◇ UNVERIFIED |
| ASApac - Southeast, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| ASApac Southeast, INC | Charlotte | NC | — | ◇ UNVERIFIED |
| AIApac-southeast, INC. | Panama City | FL | — | ◇ UNVERIFIED |
| ATApac Tennessee Inc, Starkville | Starkville | MS | — | ◇ UNVERIFIED |
| AIApac-tn INC /harrison Construction Division | Alcoa | TN | — | ◇ UNVERIFIED |
| AApco | Chicago | IL | — | ◇ UNVERIFIED |
| APApex Precision Technologies Ll | Camby | IN | — | ◇ UNVERIFIED |
| A1Applejack 199, L P | Milpitas | CA | — | ◇ UNVERIFIED |
| ASAppleridge Stone International, INC. | Blairsville | PA | — | ◇ UNVERIFIED |
| AVApple Valley Sand & Gravel | East Wenatchee | WA | — | ◇ UNVERIFIED |
| AVApple Valley Sand & Gravel | Wenatchee | WA | — | ◇ UNVERIFIED |
 Applied Biosystems, LLC | Foster City | CA | — | ◇ UNVERIFIED |
| ASApplied Specialties, INC. | Gila Bend | AZ | — | ◇ UNVERIFIED |
| ASApplied Specialties Llc, a Tidal Vision Company | Gila Bend | AZ | — | ◇ UNVERIFIED |
| ALAqauanano LLC | Monrovia | CA | — | ◇ UNVERIFIED |
| ATAquagenics Technologies, INC. | Naperville | IL | — | ◇ UNVERIFIED |
| ASAqua Solutions | Deer Park | TX | — | ◇ UNVERIFIED |
| ANAquaspersions North America Limited | Broussard | LA | — | ◇ UNVERIFIED |
| AIAquisol INC. | Katy | TX | — | ◇ UNVERIFIED |
| ADAragonesas Delsa | Ontario | CA | — | ◇ UNVERIFIED |
| APArban Precast Stone, LTD. | Dumfries | VA | — | ◇ UNVERIFIED |
| AArcee | Castle Rock Area | CO | — | ◇ UNVERIFIED |
| ARArcher Ready Mix Concrete LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| AWArcher Western Contractors | Georgia | GA | — | ◇ UNVERIFIED |
| ACArchitectural Cast Stone, INC | Wichita | KS | — | ◇ UNVERIFIED |
| ACArchitectural Cast Stone,inc. | West Chicago | IL | — | ◇ UNVERIFIED |
| ACArchitectural Concrete Company, INC. | Palmetto | GA | — | ◇ UNVERIFIED |
| ALArchitectural Limestone, Inc. | Gurnee | IL | — | ◇ UNVERIFIED |
| AOArchitectural Ornaments INC | Kansas City | MO | — | ◇ UNVERIFIED |
| APArchitectural Precast & Foam LLC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| APArchitectural Precast & Foam, LLC | Jupiter | FL | — | ◇ UNVERIFIED |
| APArchitectural Products, INC. | Manassas | VA | — | ◇ UNVERIFIED |
| ACArco Concrete INC. | Fort Lupton | CO | — | ◇ UNVERIFIED |
| ARArcola Rmc Plant | Rosharon | TX | — | ◇ UNVERIFIED |
| ADArelac Dba Fortera Redding | Redding | CA | — | ◇ UNVERIFIED |
| ABArgos Brunswick Concrete Plant | Brunswick | GA | — | ◇ UNVERIFIED |
| ADArgos Deerfield Beach | Deerfield Beach | FL | — | ◇ UNVERIFIED |
