| Davidson Construction Company INC | William Allen Davidson | — | (858) 356 2456 | GC, remodel, ADU | Del Mar · San Diego County | — | — |
| Davidson Inspection | Davidson Inspection | — | (619) 435-0845 | Inspectors | San Diego · San Diego County | — | — |
| Davidson Reinforcing INC | Julie Lynita Davidson | — | (760) 591 3260 | Other | Escondido · San Diego County | — | — |
| Davies Electric Co INC | Joanne Lorraine Davies | gelgas@daviesec.com | (858) 578 7454 | Electricians | San Diego · San Diego County | — | — |
| Davila Concrete INC | David Ii Davila | — | (760) 908 8783 | Other | Oceanside · San Diego County | — | — |
| Davis & Adams Construction INC | Alfred Joseph Iii Talamantes | — | (858) 268 9831 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Davis / Reed Construction INC | Derek Sherman Davis | — | (858) 523 9760 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Davis Design And Construction | Richard Jay Davis | — | (760) 415 9915 | GC, remodel, ADU | San Marcos · San Diego County | — | — |
| Davis Electric | Todd Allen Davis | — | (619) 504 7348 | Electricians | Lakeside · San Diego County | — | — |
| Davis Framing INC | Ryan Andrew Davis | — | (619) 463 2394 | GC, remodel, ADU | La Mesa · San Diego County | — | — |
| Davis Roofing INC | Vanessa Jean Davis | — | (619) 440 0373 | Other roofers | Lakeside · San Diego County | — | — |
| Davis Stone Incorporated | Timothy Vaudis Pennell | — | (760) 745 7881 | Other | Escondido · San Diego County | — | — |
| Davison Construction | Jonathan Ray Davison | — | (619) 200 8287 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Davison Construction | John Joseph Davison | — | (619) 729 7252 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Davolt Construction Corp | Avalos David Pena | — | (619) 632 2368 | Electricians | Imperial Beach · San Diego County | — | — |
| Dawes Construction LLC | Lars Christopher Herman | — | (619) 730 5056 | GC, remodel, ADU | Rancho Santa Fe · San Diego County | — | — |
| Dawn Davidson Design INC | Dawn Ann Davidson | — | (858) 309 6133 | Other | Del Mar · San Diego County | — | — |
| Dawn Patrol Pool & Spa Service INC | Lisa Valerie Gerstenslager | — | (760) 802 3499 | Pool | San Diego · San Diego County | — | — |
| Dawson Electric | Elric Recardo Dawson | info@dawsonelectric.com | (619) 479 8999 | Electricians | San Diego · San Diego County | — | — |
| Day And Night Plumbing | Day And Night Plumbing | — | (619) 459 8036 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Day And Night Signs INC | Diego Fernando Lozano | — | (619) 271 1992 | Other | San Diego · San Diego County | — | — |
| Day Company Building And Remodeling Corporation | Orrin Carl Day | — | (760) 788 6710 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| Day To Day Heating And Cooling | David Michael Silvestre | — | (619) 246 0767 | HVAC | San Diego · San Diego County | — | — |
| Dayani Construction | Dayani Masood | — | (858) 263 9063 | GC, remodel, ADU | Cardiff · San Diego County | — | — |
| Daybreak Construction | Richard Lawrence Newbern | daybreakcontractor@gmail.com | (760) 500 6496 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Daybreak Painting | Daybreak Painting | — | (619) 581 2501 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Daycole's Flooring LLC DBA Poway Carpet By Daycole's Flooring | De Fel Jesus | — | (858) 679 0110 | Other | San Diego · San Diego County | — | — |
| Daynight Power INC | Waheedullah Sabawoon | info@daynightpower.com | (619) 456 3571 | Electricians | El Cajon · San Diego County | — | — |
| Daza Flooring INC | Carlos Eduardo Osuna | — | (619) 451 5702 | Other | San Ysidro · San Diego County | — | — |
| Db Construction & Consulting Enterprise | Daniel Paul Bick | guy@infinitydesignbuild.com | (760) 936 3900 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Db Engineering INC | Derrick Robert Barker | jcayala@traycons.com | (619) 972 0888 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Db Pipeline INC | Dominic Joseph Iii Burtech | — | (760) 634 2822 | Other | Vista · San Diego County | — | — |
| Db Solution INC DBA Db Construction | Joseph Keith Nguyen | — | (619) 204 4611 | GC, remodel, ADU | Spring Valley · San Diego County | — | — |
| Db Tile Design | Db Tile Design | — | (760) 402 9951 | Other | Carlsbad · San Diego County | — | — |
| Dbk Electric | Marc Allen Prosi | eddie.haro@electricare.com | (858) 761 2626 | Electricians | Encinitas · San Diego County | — | — |
| Dbm General Construction Contracting | Daniel Boyd Martell | — | (619) 823 7955 | GC, remodel, ADU | Spring Valley · San Diego County | — | — |
| Dbr General Engineering | Brian David Drake | — | (760) 297 5070 | Other | Vista · San Diego County | — | — |
| Dc Construction | Crystal Ann Butler | — | (760) 616 9797 | GC, remodel, ADU | San Marcos · San Diego County | — | — |
| Dc Plumbing And Drains INC | Patrick Robert Dickert | — | (619) 779 0887 | Other | San Diego · San Diego County | — | — |
| Dc Refinishing | Dc Refinishing | — | (619) 201 4835 | Windows, patio, painters | San Diego · San Diego County | — | — |