| WBWhiteville Building Supplies Incorporated | Whiteville | NC | — | ◐ LIKELY ACTIVE |
| WBWhitewater Building Materials - 940 S 10 | Grand Junction | CO | — | ◐ LIKELY ACTIVE |
Wieser Concrete Products | Roxana | IL | 20–99 | ◐ LIKELY ACTIVE |
Wieser Concrete Products, INC. | Portage | WI | 20–99 | ◐ LIKELY ACTIVE |
| WFWilbert Funeral Services Parsons | Parsons | KS | 20–99 | ◐ LIKELY ACTIVE |
| WBWILLE BROTHERS COMPANY- Oak Forest Ready Mix Plant | Oak Forest | IL | 20–99 | ◐ LIKELY ACTIVE |
| WBWILLE BROTHERS COMPANY- Sauk Village Ready Mix Plant | Sauk Village | IL | 1–19 | ◐ LIKELY ACTIVE |
| WNWilliam N. Lamarre Concrete Products, INC. | Greenville | NH | 20–99 | ◐ LIKELY ACTIVE |
| WCWilliamson CO Ready Mix Concrete CO | Nashville | TN | — | ◐ LIKELY ACTIVE |
| WMWill Madden | De Queen | AR | — | ◐ LIKELY ACTIVE |
| WRWillmar Ready Mix | Willmar | MN | 1–19 | ◐ LIKELY ACTIVE |
| WWilson | Wilson | NC | 20–99 | ◐ LIKELY ACTIVE |
| WMWjv Materials | Pedricktown | NJ | — | ◐ LIKELY ACTIVE |
| WRWrights Ready Mix | Amelia Court House | VA | — | ◐ LIKELY ACTIVE |
| WMW.r Meadows of Texas | Fort Worth | TX | 20–99 | ◐ LIKELY ACTIVE |
| YMYager Materials INC | Hawesville | KY | — | ◐ LIKELY ACTIVE |
| YBYellow Banks River Terminal LLC | Owensboro | KY | — | ◐ LIKELY ACTIVE |
| YJYellow Jacket Ready Mix | Houston | TX | — | ◐ LIKELY ACTIVE |
| YBYork Building Products CO Inc/new Holland | New Holland | PA | — | ◐ LIKELY ACTIVE |
| ZRZamcrete Ready-mix | Houston | TX | — | ◐ LIKELY ACTIVE |
| ZEZinkan Enterprises INC | Twinsburg | OH | — | ◐ LIKELY ACTIVE |
| 1C121 Cd Associates Quakertown Fac | New Hope | PA | — | ◐ LIKELY ACTIVE |
| 2C21st Century Environmental Mgmt INC of Nv | Kansas City | MO | — | ◐ LIKELY ACTIVE |
| ABA-1 Block Corporation | Wildwood | FL | — | ◐ LIKELY ACTIVE |
| ABA-1 Block- Taft Ready Mix Fka Triple L Concrete Products | Orlando | FL | — | ◐ LIKELY ACTIVE |
| ASAction Supply INC | Seaville | NJ | — | ◐ LIKELY ACTIVE |
| ACAdonel Concrete - Loxahatchee (palm Beach Agg. Site) | Loxahatchee | FL | — | ◐ LIKELY ACTIVE |
| ACAdonel Concrete - West Palm Beach | West Palm Beach | FL | — | ◐ LIKELY ACTIVE |
| ARAdvance Ready Mix Plant #1 & #2 | Louisville | KY | — | ◐ LIKELY ACTIVE |
| ACAeropres Corporation | Morris | IL | — | ◐ LIKELY ACTIVE |
| AIAggregate Industries-aggregate Division | Hyattsville | MD | — | ◐ LIKELY ACTIVE |
| AIAggregate Industries Stone Crushing Plant | Littleton | MA | — | ◐ LIKELY ACTIVE |
| APAgsalt Processing LLC | Gettysburg | PA | — | ◐ LIKELY ACTIVE |
| APAlabama Power Company Logan Martin Fleet Garage | Vincent | AL | — | ◐ LIKELY ACTIVE |
| ARAlliance Ready Mix | Arroyo Grande | CA | — | ◐ LIKELY ACTIVE |
| ACAllied Concrete Company - Ruckersville | Ruckersville | VA | — | ◐ LIKELY ACTIVE |
| ARAllied Ready Mix CO INC | Louisville | KY | — | ◐ LIKELY ACTIVE |
| APAll-rite Paving & Redi-mix, INC | Lamar | CO | — | ◐ LIKELY ACTIVE |
| ARAllstate Ready Mix INC | La Grange | KY | — | ◐ LIKELY ACTIVE |
| ARAmericrete Ready-mix Concrete Dba G & B Redi-mix 00384 | Portable | ID | — | ◐ LIKELY ACTIVE |
| APAnniston Plant | Oxford | AL | — | ◐ LIKELY ACTIVE |
| APApollo Petroleum | Picayune | MS | — | ◐ LIKELY ACTIVE |
Aquaphoenix Scientific LLC | Hanover | PA | — | ◐ LIKELY ACTIVE |
| AWArcher Western Construction | Chapin | SC | — | ◐ LIKELY ACTIVE |
| ARArgos Ready Mix - Cr 210 | Jacksonville | FL | — | ◐ LIKELY ACTIVE |
| ARArgos Ready Mix, LLC (red Oak Concrete Plant) | College Park | GA | — | ◐ LIKELY ACTIVE |
| ARArgos Ready Mix - Palmetto | Jacksonville | FL | — | ◐ LIKELY ACTIVE |
| AUArgos USA Corporation | Panama City Beach | FL | — | ◐ LIKELY ACTIVE |
| ACArrmaz Custom Chemicals | Mulberry | FL | — | ◐ LIKELY ACTIVE |
| ASAsphalt Specialties Co., INC. Plant #3 | Firestone Area | CO | — | ◐ LIKELY ACTIVE |