| 152 Concrete Concepts INC | Rene Villalobos | — | (209) 639 8050 | Other | Los Banos · Merced County | — | — |
| 2 J's Plumbing Construction | Juan Ochoa Lomeli | — | (209) 233 7078 | Other | Merced · Merced County | — | — |
| 3:16 Plumbing INC | Israel Joel Vasquez | — | (669) 206 7177 | Other | Los Banos · Merced County | — | — |
| 47 Painting INC | Manuel Jr Villegas | — | (209) 658 6306 | Windows, patio, painters | Merced · Merced County | — | — |
| 5 Star Plumbing Heating & Air Cond | James Ray Mitchell | — | (831) 722 8300 | HVAC | Los Banos · Merced County | — | — |
| A & A Granite Creations INC DBA A & A Granite Tile Creations | Covarrubias Adolfo Canela | — | (408) 706 0985 | Other | Los Banos · Merced County | — | — |
| A & A Thermal Insulation & Construction INC | Adrian Valencia | — | (209) 777 4420 | GC, remodel, ADU | Merced · Merced County | — | — |
| A & J Electrical LLC | Alexis Gallegos Chavez | — | (209) 643 3595 | Electricians | Merced · Merced County | — | — |
| A Bonner Electric | A Bonner Electric | — | (209) 217-9840 | Electricians | Merced · Merced County | — | — |
| A Custom Touch | A Custom Touch | interested@domainmarket.com | (209) 617 6878 | GC, remodel, ADU | Atwater · Merced County | — | — |
| A D Tile And Granite | Amandeep Singh Manesh | — | (209) 812 6412 | Other | Atwater · Merced County | — | — |
| A J A Electric | Tony Joseph Arena | — | (209) 617 1065 | Electricians | Dos Palos · Merced County | — | — |
| A J Painting | A J Painting | — | (209) 587 6340 | Windows, patio, painters | Dos Palos · Merced County | — | — |
| A J R Construction | Antonio Jesus Rosales Lopez | — | (209) 203 9584 | GC, remodel, ADU | Merced · Merced County | — | — |
| A N V Contractors INC | Nicolas Vargas | — | (209) 358 7641 | GC, remodel, ADU | Atwater · Merced County | — | — |
| A New Leaf Tree Care | A New Leaf Tree Care | — | (209) 354-0860 | Tree | Merced · Merced County | — | — |
| A Plus Plumbing LLC | Kevin Edward Cordeiro | aplusplumbingser@gmail.com | (209) 854 1800 | Other | Gustine · Merced County | — | — |
| A S Seamless Gutters | A S Seamless Gutters | — | (209) 631 1458 | Other | Atwater · Merced County | — | — |
| A To Z Construction Corp | Jose Angel Zamudio | — | (209) 564 6941 | Other | Merced · Merced County | — | — |
| A Valen Landscape | A Valen Landscape | — | (408) 313 8360 | Windows, patio, painters | Los Banos · Merced County | — | — |
| A W Construction | Andrew William Garcia | — | (209) 761 9814 | GC, remodel, ADU | Atwater · Merced County | — | — |
| A&a Electric LLC | Luis Enrique Avalos | — | (209) 628 6326 | Electricians | Winton · Merced County | — | — |
| A&b Experts | A&b Experts | — | (209) 587 9408 | GC, remodel, ADU | Los Banos · Merced County | — | — |
| A1 Landscaping | A1 Landscaping | — | (209) 720 6830 | Windows, patio, painters | Merced · Merced County | — | — |
| A1 Water Quality | A1 Water Quality | — | (209) 587 1708 | Other | Delhi · Merced County | — | — |
| A2z Affordable Air Services | Jesus J Zepeda | — | (408) 420 2419 | HVAC | Los Banos · Merced County | — | — |
| Aaa Concrete LLC | Abrego Jorge Calderon | — | (408) 713 8442 | Other | Los Banos · Merced County | — | — |
| Abc Supply Co. Inc. | Abc Supply Co. Inc. | — | (209) 725-2030 | Windows, patio, painters | Merced · Merced County | — | — |
| Abdias Electric | Garcia Abdias Vazquez | — | (831) 794 9145 | Electricians | Los Banos · Merced County | — | — |
| Accuracy Remodeling | Accuracy Remodeling | — | (209) 793 0325 | GC, remodel, ADU | Merced · Merced County | — | — |
| Ace Air INC | Thomas Phillip Truax | — | (209) 722 2200 | HVAC | Merced · Merced County | — | — |
| Acon Landscape | Acon Landscape | — | (408) 706 8818 | GC, remodel, ADU | Los Banos · Merced County | — | — |
| Acv Welding And Fabrication | Saul Adolfo Lua | — | (209) 643 3137 | Other | Atwater · Merced County | — | — |
| Advanced Copper Systems Plumbing Mechanical | Gustavo Hernandez | — | (209) 261 0938 | Other | Gustine · Merced County | — | — |
| Advanced Heating And Air Contractors | Luis Miguel Soto | — | (209) 358 7921 | HVAC | Atwater · Merced County | — | — |
| Advanced Integrated Pest Management | Advanced Integrated Pest Management | 5051695056764928@advancedipm.com | (800) 655-3993 | Pest, tile roofs | Merced · Merced County | — | — |
| Advanced Security & Electric | Seay Loae Vaj | — | (209) 658 4214 | Electricians | Atwater · Merced County | — | — |
| Aem Concrete | Jose Dejesus Torres | — | (209) 600 0644 | Other | Merced · Merced County | — | — |
| Affordable Construction | Avila Obed | — | (209) 606 0475 | GC, remodel, ADU | Merced · Merced County | — | — |
| Ag Gardening | Ag Gardening | — | (209) 280 9903 | Windows, patio, painters | Hilmar · Merced County | — | — |