| Daniel R Jantz | Daniel R Jantz | — | (209) 683 5075 | Pool | Winton · Merced County | — | — |
| Darnell Flooring | Darnell Flooring | — | (209) 753 8456 | Other | Atwater · Merced County | — | — |
| Darren Tarbell Construction | Darren Andrew Tarbell | — | (209) 261 4916 | GC, remodel, ADU | Merced · Merced County | — | — |
| Dave's Custom Tile | Dave's Custom Tile | — | (209) 829 0855 | Other | Los Banos · Merced County | — | — |
| David Fuentes | David Fuentes | — | (209) 535 4105 | Other | Delhi · Merced County | — | — |
| David G Alexander INC | David George Alexander | — | (209) 978 4608 | GC, remodel, ADU | Merced · Merced County | — | — |
| David L Oliveira Plumbing | David L Oliveira Plumbing | — | (209) 485 3095 | Other | Hilmar · Merced County | — | — |
| David Lee Smith Construction | David Lee Smith | — | (209) 917 0366 | GC, remodel, ADU | Merced · Merced County | — | — |
| David Pool Service | David Vidauri Tovar | vidauridavid@yahoo.com | (209) 388 0249 | Pool | Merced · Merced County | — | — |
| David Richard Gould | David Richard Gould | — | (209) 826 2524 | GC, remodel, ADU | Los Banos · Merced County | — | — |
| David Wetherington Construction | David Joseph Wetherington | — | (209) 587 2251 | GC, remodel, ADU | Los Banos · Merced County | — | — |
| Daviv Construction | Vivanco Rodrigo | — | (209) 535 7480 | GC, remodel, ADU | Delhi · Merced County | — | — |
| De Lira Flooring | De Lira Flooring | — | (209) 262 4245 | Other | Delhi · Merced County | — | — |
| Dean's Construction | James O'neal Dean | — | (209) 631 8125 | GC, remodel, ADU | Planada · Merced County | — | — |
| Dedicated Concrete Incorporated | Madrigal Yahir Padilla | — | (209) 780 9103 | Other | Gustine · Merced County | — | — |
| Deol Construction Co INC | Bobby Paul Deol | — | (209) 988 7766 | GC, remodel, ADU | Atwater · Merced County | — | — |
| Diamond Heating & Air | Diana Angelica Serrano | — | (209) 233 4170 | HVAC | Merced · Merced County | — | — |
| Diamond Industrial Coatings Corp | Jamie Tommaine Williams | — | (209) 740 7195 | Windows, patio, painters | Merced · Merced County | — | — |
| Diamondback Build Co | Martin De Jesus Gabriel Lazaro | — | (831) 240 2442 | GC, remodel, ADU | Los Banos · Merced County | — | — |
| Dibble Construction & Design INC | Bryce Chester Dibble | — | (209) 777 6494 | GC, remodel, ADU | Winton · Merced County | — | — |
| Dickey's Pump Serv | Dickey's Pump Serv | — | (209) 585 7036 | Electricians | Atwater · Merced County | — | — |
| Dickeys Pump Service | Caleb Lynn Koehn | — | (209) 394 3112 | Electricians | Atwater · Merced County | — | — |
| Diego's Window Tint And Glass | Diego's Window Tint And Glass | — | (209) 746-1421 | Windows, patio, painters | Merced · Merced County | — | — |
| Direct Security & Sound INC | Larry Lee Pires | — | (209) 485 2211 | Alarm and generators | Hilmar · Merced County | — | — |
| Disceli Construction INC | Adriana Yadira Discua | disceliconstruction@gmail.com | (510) 461 9044 | GC, remodel, ADU | Los Banos · Merced County | — | — |
| Dlc General Construction INC | Miguel Angel De La Cruz Fiscal | — | (209) 658 2823 | GC, remodel, ADU | Merced · Merced County | — | — |
| Dmc Plumbing | Dmc Plumbing | — | (209) 587 6507 | Other | Los Banos · Merced County | — | — |
| Dom's Electric-Merced Bearing Operating LLC | Dom's Electric-Merced Bearing Operating LLC | — | (209) 383-1980 | Electricians | Merced · Merced County | — | — |
| Don's Mobile Glass Inc. | Don's Mobile Glass Inc. | — | (209) 723-4576 | Windows, patio, painters | Merced · Merced County | — | — |
| Done Wright Heating And Air | Done Wright Heating And Air | — | (209) 756 1806 | HVAC | Atwater · Merced County | — | — |
| Dos Palos Well Drilling | Dos Palos Well Drilling | — | (209) 392 3977 | Electricians | Dos Palos · Merced County | — | — |
| Double Strong Concrete LLC | Martinez-paniagua Carlos | — | (831) 539 8436 | Other | Los Banos · Merced County | — | — |
| Doug Boyer Construction | Allan Douglas Boyer | — | (209) 723 3923 | GC, remodel, ADU | Merced · Merced County | — | — |
| Downey & Son Painting | Melvin Joseph Downey | — | (209) 495 6545 | Windows, patio, painters | Livingston · Merced County | — | — |
| Dream Concepts Landscaping INC | Jorge Luis Guzman-Refugio | — | (408) 624 2152 | Windows, patio, painters | Los Banos · Merced County | — | — |
| Dse Contractors INC | Scott Lee Edwards | info@dsecontractors.com | (209) 638 2183 | GC, remodel, ADU | Atwater · Merced County | — | — |
| Dt Mechanical Heating & Air | Dt Mechanical Heating & Air | — | (209) 349 1042 | HVAC | Merced · Merced County | — | — |
| Dusk Til Dawn Pest Elimination | Dusk Til Dawn Pest Elimination | — | (209) 646-5190 | Pest, tile roofs | City Of Atwater · Merced County | — | — |
| Dustin Pest Control | Dustin Pest Control | — | (209) 299-6949 | Pest, tile roofs | Merced · Merced County | — | — |
| Dutchman Drains & Plumbing INC | Eric Lee Crownover | — | (209) 355 5717 | Other | Atwater · Merced County | — | — |