| C C Concrete Construction | Craig Charles Christenson | — | (209) 586 0772 | Other | Gustine · Merced County | — | — |
| C M W Builders INC | Clint David Wood | — | (209) 535 0353 | GC, remodel, ADU | Hilmar · Merced County | — | — |
| C N R Heating And Air Conditioning | Maravilla Carlos | — | (209) 631 4664 | HVAC | Atwater · Merced County | — | — |
| C Roberts Painting INC | Brian D Howard | — | (209) 883 4757 | Windows, patio, painters | Merced · Merced County | — | — |
| C Seamless Rain Gutters | C Seamless Rain Gutters | — | (209) 656 6876 | Other | Delhi · Merced County | — | — |
| C V C S / Central Valley Commercial Services INC | Michael Manuel Freitas | — | (209) 668 2132 | Windows, patio, painters | Hilmar · Merced County | — | — |
| Ca Concrete | Ca Concrete | robert@caconcrete.com | (209) 224 6541 | Other | Winton · Merced County | — | — |
| Cabacungan Matthew | Cabacungan Matthew | — | (209) 277 1658 | Other | Hilmar · Merced County | — | — |
| Cal Central Valley Construction INC | Jose Luis Lozano Valdez | — | (209) 968 8432 | GC, remodel, ADU | Livingston · Merced County | — | — |
| Cal Maintenance Construction LLC | Carlos Alberto Vazquez | — | (209) 262 5925 | GC, remodel, ADU | Stevinson · Merced County | — | — |
| Cal Ohm Electric | Alvaro Luciano Perez Gomez | — | (209) 628 3817 | Electricians | Merced · Merced County | — | — |
| Cal Process Welding INC | Rodolfo Rodriguez | — | (209) 648 2014 | Other | Delhi · Merced County | — | — |
| Cal-green Landscaping INC | Adrian Martinez Martinez | micah@micahrich.com | (209) 355 8302 | Windows, patio, painters | Merced · Merced County | — | — |
| Cal-neva Concrete Pavers & Epoxy | Hector Gabriel Montes Pantoja | — | (775) 550 2586 | Other | Los Banos · Merced County | — | — |
| California Cabling LLC | Robert John Jr Mora | — | (209) 777 2040 | Other | Merced · Merced County | — | — |
| California Comfort | California Comfort | — | (209) 261 3361 | HVAC | Merced · Merced County | — | — |
| California Fence | California Fence | info@californiaoutdoorfence.com | (209) 737 8282 | Windows, patio, painters | Los Banos · Merced County | — | — |
| California Premier Roofing | California Premier Roofing | cpremieroofing@yahoo.com | — | Other roofers | Merced · Merced County | — | — |
| California Top Construction INC | Gustavo Sr Fernandez | — | (408) 417 8037 | GC, remodel, ADU | Los Banos · Merced County | — | — |
| Calor Air HVAC | Calor Air HVAC | — | (408) 504 4627 | HVAC | Merced · Merced County | — | — |
| Cantello Electric INC | Antonio Cantellano | cantelloelectric@gmail.com | (209) 661-9020 | Electricians | Delhi · Merced County | — | — |
| Cardoza Electrical Solutions INC | Steven Anthony Cardoza | — | (209) 620 1412 | Electricians | Atwater · Merced County | — | — |
| Cardoza Pro Painting INC | Juan Antonio Cardoza | — | (209) 752 5553 | Windows, patio, painters | Dos Palos · Merced County | — | — |
| Carlos & Son HVAC INC | Carlos Alberto Aguirre Rosales | — | (408) 592 8819 | HVAC | Los Banos · Merced County | — | — |
| Carlos Baez | Carlos Baez | — | (650) 222 1571 | HVAC | Atwater · Merced County | — | — |
| Carrillo Construction & Remodeling | Jorge Hector Carrillo Arreola | — | (408) 889 3046 | GC, remodel, ADU | Santa Nella · Merced County | — | — |
| Casignco | Justin O'brien Stavig | — | (877) 965 2121 | Other | Atwater · Merced County | — | — |
| Castaneda Tile | Castaneda Tile | — | (408) 660 9421 | Other | Los Banos · Merced County | — | — |
| Castillo's Flooring | Castillo's Flooring | — | (408) 568 3169 | Other | Dos Palos · Merced County | — | — |
| Castler Construction | Jason Michael Castler | — | (209) 614 2319 | GC, remodel, ADU | Merced · Merced County | — | — |
| Caton Construction Company | Daniel Frank Jr Caton | — | (209) 631 5311 | GC, remodel, ADU | Atwater · Merced County | — | — |
| Cav Insulation INC | Alvarado-valdovinos Celso | — | (209) 489 4316 | Other | Los Banos · Merced County | — | — |
| Cavcon INC | Aaron Michael Cavallaro | — | (209) 564 1784 | GC, remodel, ADU | Atwater · Merced County | — | — |
| Celestial Roofing INC | Anthony De Jesus Torres-Perez | — | (209) 355 4401 | Other roofers | Merced · Merced County | — | — |
| Cen - Cal Air Incorporated | Trino Ramirez | — | (209) 826 8058 | HVAC | Los Banos · Merced County | — | — |
| Central Cal Contractors INC | Hernandez Bryan Villalpando | — | (209) 594 5450 | GC, remodel, ADU | Santa Nella · Merced County | — | — |
| Central Cal Tree Service | Robert Junior Flores | — | (209) 617 4265 | Tree | Atwater · Merced County | — | — |
| Central California Electric | Russell Stephen Wetmore | — | (209) 230 2274 | Electricians | Atwater · Merced County | — | — |
| Central Irrigation INC | Gregory Anthony Borba | — | (209) 262 3723 | Other | Merced · Merced County | — | — |
| Central Tech Builders | Central Tech Builders | — | (209) 628 8791 | GC, remodel, ADU | Merced · Merced County | — | — |