| Design Avenue Group LLC | Elena Borisovna Kotelenets | — | (408) 605 9632 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| Design Build | Design Build | — | (408) 768 4380 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Design Build Contractors | Thach Van Le | — | (408) 497 8029 | HVAC | San Jose · Santa Clara County | — | — |
| Design Construction | Pantoja Daniel | — | (408) 482 4352 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Design Heating & Air Conditioning INC | Steven Wing Mou | — | (408) 286 3329 | HVAC | San Jose · Santa Clara County | — | — |
| Design Miter Tile INC | Escandon Daniel Zaragoza | — | (408) 903 8719 | Other | San Jose · Santa Clara County | — | — |
| Designed Pavers INC | Oralia Rodriguez | — | (408) 910 6776 | Other | San Jose · Santa Clara County | — | — |
| Designers Construction INC | Sanghun Han | — | (669) 254 8982 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Designs R W Visalli | Designs R W Visalli | — | (408) 355 5357 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Desnet Network Services INC | Alejandro Nepita | — | (408) 250 2722 | Other | San Jose · Santa Clara County | — | — |
| Detail - Pro Painting Co | Manuel L Rodriguez | — | (408) 509 9400 | Windows, patio, painters | Los Gatos · Santa Clara County | — | — |
| Detail Construction & Waterproofing INC | Douglas Emery Balfour | — | (408) 559 0110 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Detail Equipment Systems LLC | Dennis Erick Sanchez | — | (408) 666 0099 | Other | Morgan Hill · Santa Clara County | — | — |
| Detail Striping Incorporated | Samual Andrew Morton | — | (408) 265 5636 | Other | Santa Clara · Santa Clara County | — | — |
| Detailed Custom Painting | Detailed Custom Painting | — | (408) 762 9579 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Devart8 Builders INC | Aviat Milrod | — | (669) 293 1126 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Devco Drywall Interiors INC | Montoya Gregorio Plaza | eze@devcodrywall.com | (408) 772 3041 | Other | San Jose · Santa Clara County | — | — |
| Devcon Construction Incorporated | Gary John Filizetti | — | (408) 942 8200 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| Devcor | Erick Jonathan Sturm | — | (408) 209 9137 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Devlux Construction INC | Semnani Mehrdad | — | (408) 908 0292 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Dex Construction | Gurinder Singh | — | (650) 313 1734 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| Dexman Remodeling | Marquez Jorge | — | (650) 285 2008 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| Dhgj Enterprises INC DBA Top Tier Roofing | David Robert Weber | — | (408) 337 6985 | Other roofers | Morgan Hill · Santa Clara County | — | — |
| Di Li Construction Company INC | Dixun| Li Di Xun Li | — | (408) 866 6238 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| Di Qualita Builders | Ping Guo | — | (650) 996 1494 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| Dialed In Plumbing INC | Timothy James Dial | support@webador.com | (408) 800 6246 | Other | Morgan Hill · Santa Clara County | — | — |
| Diamond Construction And Building Maintenance INC | Chang Phillip | — | (408) 881 4890 | Electricians | San Jose · Santa Clara County | — | — |
| Diamond Fence Company INC | Jenifer Lynne Stanley | — | (408) 374 4282 | Other | San Jose · Santa Clara County | — | — |
| Diamond Finish Carpentry | Matthew Jason Rodriguez | — | (408) 842 0727 | Other | Gilroy · Santa Clara County | — | — |
| Diamond Hardwood Floors | Diamond Hardwood Floors | — | (408) 656 6171 | Other | Morgan Hill · Santa Clara County | — | — |
| Diamond Pro Painting | Diamond Pro Painting | snedokis@gmail.com | (408) 768 9481 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Diamond Quality Construction | Carlos Kim Layseca | — | (408) 892 2175 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Diamondjack Design And Build | Diamondjack Design And Build | — | (408) 398 4792 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Diaz Cabinets | Diaz Cabinets | — | (408) 347 0362 | Other | San Jose · Santa Clara County | — | — |
| Diaz Construction | Diaz Nicasio | — | (650) 279 5116 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Diaz Custom Builds Construction | Amando Francisco Diaz | — | (408) 506 1577 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Diaz Landscaping & Gardening INC | Patino Jose Diaz | — | (650) 283 4050 | Windows, patio, painters | Sunnyvale · Santa Clara County | — | — |
| Diaz Professional Painting | Diaz Professional Painting | — | (408) 442 8568 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| Diconma INC | Filiberto Arredondo | info@diconma.com | (408) 605 0249 | Other | Cupertino · Santa Clara County | — | — |
| Diep Refrigeration | Diep Refrigeration | — | (408) 838 6925 | HVAC | San Jose · Santa Clara County | — | — |