| Dale's Tree Service | Dale Duane Boice | — | (909) 982 5794 | Tree | Upland · San Bernardino County | — | — |
| Dalton Trucking INC | Joshua Mark Klenske | — | (909) 823 0663 | Other | Rancho Cucamonga · San Bernardino County | — | — |
| Daly Electric INC | Corey Michael Daly | — | (866) 611 0554 | Electricians | Upland · San Bernardino County | — | — |
| Dan Faranda Construction | Daniel Joe Faranda | — | (818) 391 3028 | GC, remodel, ADU | Crestline · San Bernardino County | — | — |
| Dan Kinslow Construction | Dan Davis Kinslow | — | (909) 754 9911 | GC, remodel, ADU | Crestline · San Bernardino County | — | — |
| Dan Littman | Dan Littman | — | (951) 236 6704 | Other | Alta Loma · San Bernardino County | — | — |
| Dan Lyman Construction INC | Daniel Alen Lyman | — | (951) 906 9895 | GC, remodel, ADU | San Bernardino · San Bernardino County | — | — |
| Dan Mikolasko Construction INC | Daniel Ray Mikolasko | — | (626) 716 2273 | GC, remodel, ADU | Upland · San Bernardino County | — | — |
| Dan Moore Electric INC | Dan Moore | — | (909) 888 8639 | Electricians | Highland · San Bernardino County | — | — |
| Dan Seeley's Heating & Air Conditioning INC | Jesse Frank Marcelletta | — | (909) 724 9695 | HVAC | Lake Arrowhead · San Bernardino County | — | — |
| Dan Seeley's Heating And Air Conditioning | Daniel Joseph Seeley | — | (909) 338 3495 | HVAC | Crestline · San Bernardino County | — | — |
| Dan The Man Construction | Daniel Marcos Rubio | — | (909) 225 2328 | GC, remodel, ADU | Montclair · San Bernardino County | — | — |
| Dan Webb's Backhoe & Pipeline Service | Daniel Patrick Webb | — | (951) 741 5071 | Other | Colton · San Bernardino County | — | — |
| Dan Woll Framing | Dan Woll Framing | — | (760) 954 5858 | GC, remodel, ADU | Victorville · San Bernardino County | — | — |
| Dan Woods Construction | Woods Daniel | — | (909) 793 4354 | GC, remodel, ADU | Redlands · San Bernardino County | — | — |
| Dan's Electric INC | Jeffery Todd Spangler | — | (626) 966 0450 | Electricians | Lytle Creek · San Bernardino County | — | — |
| Dan's Gardening Service | Daniel Keith Hensley | — | (909) 989 1515 | Windows, patio, painters | Alta Loma · San Bernardino County | — | — |
| Dana Construction INC | David Glen Chambler | — | (909) 973 6912 | GC, remodel, ADU | Oak Hills · San Bernardino County | — | — |
| Danco Tile Works | Jon David Deemer | — | (951) 394 2449 | Other | Ontario · San Bernardino County | — | — |
| Dande West | Dande West | dandewest@aol.com | (909) 241 9198 | Other | Rancho Cucamonga · San Bernardino County | — | — |
| Daniel Aaron Grubaugh | Daniel Aaron Grubaugh | — | (951) 377 4007 | Electricians | Crestline · San Bernardino County | — | — |
| Daniel Aaron Sall DBA Desert Decorating | Desert Decorating | — | (760) 365 9366 | Windows, patio, painters | Pioneertown · San Bernardino County | — | — |
| Daniel Caministeanu | Daniel Caministeanu | — | (909) 910 5316 | Windows, patio, painters | Loma Linda · San Bernardino County | — | — |
| Daniel Dening Cheung | Daniel Dening Cheung | — | (626) 265 3640 | GC, remodel, ADU | Rancho Cucamonga · San Bernardino County | — | — |
| Daniel Douglas Clark | Daniel Douglas Clark | — | (760) 885 8781 | Other | Apple Valley · San Bernardino County | — | — |
| Daniel K Aiken Construction | Daniel Kevin Aiken | — | (760) 567 6430 | GC, remodel, ADU | Morongo Valley · San Bernardino County | — | — |
| Daniel L Meyer & Son's Const Co | Daniel Lewis Meyer | — | (760) 244 0120 | GC, remodel, ADU | Hesperia · San Bernardino County | — | — |
| Daniel Mechanical Service Co | Daniel Rodney Olson | — | (909) 982 1555 | HVAC | Upland · San Bernardino County | — | — |
| Daniel Meredith Plumbing And Septic LLC | Christopher Ryan Meredith | — | (951) 519 6034 | Other | Phelan · San Bernardino County | — | — |
| Daniel Opitz Painting Co | Daniel Robert Opitz | — | (909) 633 5437 | Windows, patio, painters | Mentone · San Bernardino County | — | — |
| Daniel Perez Plumbing | Daniel Perez Plumbing | — | (626) 513 9110 | Other | Rancho Cucamonga · San Bernardino County | — | — |
| Daniel R Enger | Daniel R Enger | — | (951) 538 5426 | GC, remodel, ADU | Big Bear Lake · San Bernardino County | — | — |
| Daniel Sanchez Construction | Juan Daniel Sanchez | — | (909) 721 1403 | GC, remodel, ADU | Chino Hills · San Bernardino County | — | — |
| Daniel Simons | Daniel Simons | — | (760) 662 1910 | GC, remodel, ADU | Wrightwood · San Bernardino County | — | — |
| Daniel Watson Construction | Daniel Gregory Watson | — | (760) 401 9725 | Electricians | Yucca Valley · San Bernardino County | — | — |
| Daniel Yunlong Sun | Daniel Yunlong Sun | — | (626) 518 2005 | GC, remodel, ADU | Chino Hills · San Bernardino County | — | — |
| Daniel's Affordable Landscaping INC | Daniel Concepcion | — | (760) 684 2649 | GC, remodel, ADU | Apple Valley · San Bernardino County | — | — |
| Daniel's Electrical Construction Co INC | Thomas Gregory Ispas | — | (909) 427 9000 | Electricians | Fontana · San Bernardino County | — | — |
| Danielle Mazal Tubul | Danielle Mazal Tubul | — | (818) 445 2119 | GC, remodel, ADU | San Bernardino · San Bernardino County | — | — |
| Daniels Heating & Air Conditioning INC | Timothy Lee Daniels | — | (909) 466 5155 | HVAC | Loma Linda · San Bernardino County | — | — |