| DCDrb Company | Snohomish | WA | — | ◇ UNVERIFIED |
| DRDream Ready Mix Inc. | Corona | NY | — | ◇ UNVERIFIED |
| DLDrivewaypros.com, LLC | Linden | MI | — | ◇ UNVERIFIED |
| DSDr Scott Martin | Barstow | CA | — | ◇ UNVERIFIED |
| DLDrs LTD | Middleton | WI | — | ◇ UNVERIFIED |
| DCDry Creek Rock & Ready Mix INC | Lodi | CA | — | ◇ UNVERIFIED |
| DMDry Mix Products CO. | Roseville | CA | — | ◇ UNVERIFIED |
| DSDryvit System | North Kingstown | RI | — | ◇ UNVERIFIED |
| DCDs Concrete World | Cleveland | TX | — | ◇ UNVERIFIED |
| DCDss Company | Tracy | CA | — | ◇ UNVERIFIED |
 D-tek Manufacturing | San Jose | CA | — | ◇ UNVERIFIED |
| DUDublin Unified School District | Dublin | CA | — | ◇ UNVERIFIED |
| DIDubrook INC. | Dubois | PA | — | ◇ UNVERIFIED |
| DHDuffield Holding, LLP | Harrisburg | AR | — | ◇ UNVERIFIED |
| DCDuininck Concrete LLC Dba Central Ready Mix | New London | MN | — | ◇ UNVERIFIED |
| DCDuininck Concrete LLC Dba Willmar Ready Mix | Willmar | MN | — | ◇ UNVERIFIED |
| DIDuininck INC / Hot Mix Asphalt Plt No 12 | Frederick | OK | — | ◇ UNVERIFIED |
| DADu-kane Asphalt CO | Pana | IL | — | ◇ UNVERIFIED |
| DRDuluth Ready Mix Concrete INC | Saginaw | MN | — | ◇ UNVERIFIED |
| DIDumars, INC. | Woodland | CA | — | ◇ UNVERIFIED |
| DPDundee Plant 4 (stormwater) | Dundee | KS | — | ◇ UNVERIFIED |
| DPDunham Price Industrial LLC - Central Mix Concrete Plant | Westlake | LA | — | ◇ UNVERIFIED |
| DADunn and Bush Construction Llc, Moss Point Facility | Moss Point | MS | — | ◇ UNVERIFIED |
| DRDunn Rite Asphalt CO | Belvidere | IL | — | ◇ UNVERIFIED |
| DRDunn Road Builders | Laurel | MS | — | ◇ UNVERIFIED |
| DRDunn Roadbuilders Llc, Hattiesburg Plant | Hattiesburg | MS | — | ◇ UNVERIFIED |
| DSDunn's Sand Inc/jb's Cement & Landscape | Visalia | CA | — | ◇ UNVERIFIED |
| DMDupage Materials Company | Elmhurst | IL | — | ◇ UNVERIFIED |
| DADura Art Stone Construction CO INC | Mentone | CA | — | ◇ UNVERIFIED |
| DADura Art Stone INC | Fontana | CA | — | ◇ UNVERIFIED |
| DCDuramix Concrete Inc. | Midland | NC | — | ◇ UNVERIFIED |
| DQDurepo Quarry | Caribou | ME | — | ◇ UNVERIFIED |
| DGDurwood Greene Construction CO | Missouri City | TX | — | ◇ UNVERIFIED |
| DDDustins Driveways, LLC | Pasadena | MD | — | ◇ UNVERIFIED |
| DIDutchland, INC. | Washingtonville | NY | — | ◇ UNVERIFIED |
| DMDutra Materials/san Rafael Roc | Hayward | CA | — | ◇ UNVERIFIED |
| DMDutra Materials/san Rafael Roc | Petaluma | CA | — | ◇ UNVERIFIED |
| DMDutra Materials/san Rafael Roc | Richmond | CA | — | ◇ UNVERIFIED |
| DMDutra Materials/san Rafael Roc Quarry INC | San Rafael | CA | — | ◇ UNVERIFIED |
| DWD. Walker Concrete, LLC | Tribune | KS | — | ◇ UNVERIFIED |
| DWD. Walker Concrete, LLC - Concrete Washout Pit | Tribune | KS | — | ◇ UNVERIFIED |
| DRDyersville Ready-mix Plant | Dyersville | IA | — | ◇ UNVERIFIED |
| DCDymond's Concrete Products, INC. | Fayetteville | PA | — | ◇ UNVERIFIED |
| DEDynamat Enterprises, LLC | Hamilton | OH | — | ◇ UNVERIFIED |
| DCDynamic Cement Products | Stockton | CA | — | ◇ UNVERIFIED |
| DCDynamic Crushing LLC | Saranac | MI | — | ◇ UNVERIFIED |
| DCDynamix Casting Fluxes, LLC | Huntingdon | TN | — | ◇ UNVERIFIED |
| DBDz Block, INC. | Wildwood | FL | — | ◇ UNVERIFIED |
| DPDz Precast Solutions - Landstone Portable Concrete Plant | The Villages | FL | — | ◇ UNVERIFIED |
| ECEa Cox CO | Chicago | IL | — | ◇ UNVERIFIED |
