| WPWorkman Precast Corporation | Springfield | NE | — | ◇ UNVERIFIED |
| WPWorkman Precast Corporation | Louisville | NE | — | ◇ UNVERIFIED |
| WPWpr - Plant 1 | Milton | FL | — | ◇ UNVERIFIED |
| WRWray Readi Mix INC. | Wray | CO | — | ◇ UNVERIFIED |
| WRW R Forde Associates | Richmond | CA | — | ◇ UNVERIFIED |
| WRW R Grace & CO | Pompano Beach | FL | — | ◇ UNVERIFIED |
| WBWright Block & Precast - Ruby | Madisonville | KY | — | ◇ UNVERIFIED |
| WCWright Concrete Recycling INC | Markham | IL | — | ◇ UNVERIFIED |
| WMWright Mix Material Solutions LLC | Delbarton | WV | — | ◇ UNVERIFIED |
| WRW R Meadows of Az INC | Goodyear | AZ | — | ◇ UNVERIFIED |
| WTW T Terminal, LLC | Deerfield | MA | — | ◇ UNVERIFIED |
| WIWunder-mold INC. | Vacaville | CA | — | ◇ UNVERIFIED |
| WAWw Asphalt INC | Sterling | IL | — | ◇ UNVERIFIED |
| WAWwg Asphalt CO | Rockledge | FL | — | ◇ UNVERIFIED |
| WGWw Green Glow | Strong City | KS | — | ◇ UNVERIFIED |
| WEWylatti Enterprises LLC Dba Geo Aggregates | Fort Bragg | CA | — | ◇ UNVERIFIED |
| WAWyoming Asphalt Paving INC | Plainwell | MI | — | ◇ UNVERIFIED |
| WAWyoming Asphalt Paving INC (n3626) | Lawrence | MI | — | ◇ UNVERIFIED |
| XSXenia Sand and Gravel INC | Xenia | OH | — | ◇ UNVERIFIED |
| XMXpress Materials LLC | Panama City Beach | FL | — | ◇ UNVERIFIED |
| XIXt Incorporated Dba Vanhooseco, Loudon | Loudon | TN | — | ◇ UNVERIFIED |
| XYX Y Z Trading Group, INC. | Miami | FL | — | ◇ UNVERIFIED |
| YMYager Materials INC | Hawesville | KY | — | ◇ UNVERIFIED |
| YAYamada and Sons | Hilo | HI | — | ◇ UNVERIFIED |
| YCYankton, City of | Yankton | SD | — | ◇ UNVERIFIED |
| YLYardBlox LLC | Springville | UT | — | ◇ UNVERIFIED |
| YRYarrington Road Materials LP | San Marcos | TX | — | ◇ UNVERIFIED |
| YCYates Construction Concrete Plant | Calion | AR | — | ◇ UNVERIFIED |
| YBYavapai Block and Precast, Co., INC. | Prescott | AZ | — | ◇ UNVERIFIED |
| YDYehuda Danos | Sherman Oaks | CA | — | ◇ UNVERIFIED |
| YBYellow Banks River Terminal LLC | Owensboro | KY | — | ◇ UNVERIFIED |
| YMYellowstar Materials, Inc., Mink Shoals | Millwood | WV | — | ◇ UNVERIFIED |
| YMYellowstar Materials, Inc., Sith Plant | Lewisburg | WV | — | ◇ UNVERIFIED |
| YSYesenia S Heredia Dba Heredia's Concrete | Byron | CA | — | ◇ UNVERIFIED |
| YFYohnco Forest City Ready Mix | Forest City | IA | — | ◇ UNVERIFIED |
| YAYork Asphalt: Mcconnells | York | SC | — | ◇ UNVERIFIED |
| YBYork Building Products - Cockeysville | Cockeysville | MD | — | ◇ UNVERIFIED |
| YBYork Building Products CO Inc/new Holland | New Holland | PA | — | ◇ UNVERIFIED |
| YCYork Concrete Company | York | PA | — | ◇ UNVERIFIED |
| YMYork Materials Group Llc/ Baker Quarry Asphalt | York | PA | — | ◇ UNVERIFIED |
| YMYork Materials Group Llc/hanover | Hanover | PA | — | ◇ UNVERIFIED |
| YMYork Materials Group Llc/thomasville Asphalt | Thomasville | PA | — | ◇ UNVERIFIED |
| YRYoungman Rock INC / Muskogee Facility | Porter | OK | — | ◇ UNVERIFIED |
| YCYuba County Library | Marysville | CA | — | ◇ UNVERIFIED |
| YCYuma County Highway Department | Eckley Area | CO | — | ◇ UNVERIFIED |
| ZPZachary Peters-vernier | Woodland Hills | CA | — | ◇ UNVERIFIED |
| ZCZachry Construction | Kernersville | NC | — | ◇ UNVERIFIED |
| ZCZachry Construction Corporation Cbp #34-0120 | Lexington | SC | — | ◇ UNVERIFIED |
| ZCZachry Construction Kpi Pugmill 415356 | Lexington | SC | — | ◇ UNVERIFIED |
| ZCZachry Construction - Portable Concrete Batch Plant 518-502 | Statesville | NC | — | ◇ UNVERIFIED |