| Marco Munoz | Marco Munoz | — | (818) 698 9920 | Windows, patio, painters | Camarillo · Ventura County | — | — |
| Marco Ramirez Welding | Marco Ramirez Welding | — | (805) 889 4807 | Other | Oxnard · Ventura County | — | — |
| Marco Roofing | Rodarte Marco | — | (805) 428 1018 | Other roofers | Thousand Oaks · Ventura County | — | — |
| Marie Eaton Construction | Marie Ann Eaton | — | (661) 755 6722 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Marino Floor Covering | Marino Floor Covering | — | (805) 444 9727 | Other | Camarillo · Ventura County | — | — |
| Mario A Garcia Construction | Mario Antonio Garcia | — | (805) 509 7016 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Mario A Lopez | Mario A Lopez | — | (805) 857 9121 | GC, remodel, ADU | Fillmore · Ventura County | — | — |
| Mario Arturo Lopez Guevara | Mario Arturo Lopez Guevara | — | (818) 277 6862 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Mario Castillo DBA Bath-crest | Mario Castillo DBA Bath-crest | — | (805) 650 5940 | Other | Oxnard · Ventura County | — | — |
| Mario Delnagro Landscaping | Mario Delnagro Landscaping | — | (805) 981 2400 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Mario Gallegos Construction INC | Mario Cesar Gallegos | mario@mariogallegosconstruction.com | (818) 232 1748 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Mario Quezada | Mario Quezada | — | (805) 649 5296 | HVAC | Oxnard · Ventura County | — | — |
| Mario's Fencing | Mario's Fencing | — | (805) 421 8215 | Other | Ventura · Ventura County | — | — |
| Mario's Iron Work INC | Valerie Estrada Ispache | — | (805) 844 1345 | Other | Oxnard · Ventura County | — | — |
| Mariposa Properties Ojai INC | Joel Richard Frazier | — | (805) 657 0804 | GC, remodel, ADU | Oak View · Ventura County | — | — |
| Mariscal Flooring INC | Jose Javier Mariscal-Gutierrez | — | (818) 530 3442 | Other | Fillmore · Ventura County | — | — |
| Mark A Michalka INC DBA Camm Company | Mark Arthur Michalka | — | (310) 618 1315 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Mark Albrent Painting INC | Mark Allen Albrent | — | (805) 218 7580 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Mark Allen Construction | Mark Louis Allen | projects@markallenconstruction.com | (805) 624 9504 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Mark Allen Dornbusch | Mark Allen Dornbusch | — | (805) 850 9864 | Electricians | Oak View · Ventura County | — | — |
| Mark Crane's Tree INC | Mark Anthony Crane | info@markcranestree.com | (805) 685 2320 | Tree | Ojai · Ventura County | — | — |
| Mark Dowis Plumbing | Mark Dowis Plumbing | micah@micahrich.com | (805) 573 5773 | Other | Camarillo · Ventura County | — | — |
| Mark Dunifer | Mark Dunifer | — | (805) 794 3794 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Mark Fornoff Electric INC | Mark Robert Fornoff | — | (805) 496 9620 | Electricians | Thousand Oaks · Ventura County | — | — |
| Mark G Construction | Mark Patrick Garcia | — | (805) 905 9866 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Mark Garrett | Mark Garrett | — | (818) 426 9409 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Mark J Hoffman A General Contractor | Mark Joseph Hoffman | — | (805) 499 9383 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Mark Jacobsen | Mark Jacobsen | — | (805) 393 1359 | Electricians | Ventura · Ventura County | — | — |
| Mark James Crutcher Jr | Mark James Crutcher Jr | — | (805) 428 0369 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Mark Joseph Spear | Mark Joseph Spear | — | (818) 384 8119 | Other | Newbury Park · Ventura County | — | — |
| Mark Lubin Construction | Mark Jerome Lubin | — | (805) 581 5883 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Mark Lyum Construction | Edward Mark Lyum | — | (805) 578 0475 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Mark Matheisen Construction Corporation | Mark Hubert Matheisen | — | (818) 398 1823 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Mark Plourd Const | Mark Plourd Const | — | (530) 321 4228 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Mark Sohn Construction | Mark Steven Sohn | — | (805) 320 6122 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Mark Stevens Construction Co INC | Mark Olds Stevens | — | (818) 774 2202 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Mark T Dorton | Mark T Dorton | — | (818) 590 6055 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Mark Todd Schneider | Mark Todd Schneider | — | (805) 484 6000 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Mark Van Der Wyk Construction DBA Home Electric | Mark Alan Van Der Wyk | — | (805) 630 1664 | Electricians | Oak View · Ventura County | — | — |
| Mark Varnum Construction INC | Mark Wayne Varnum | — | (805) 388 2411 | GC, remodel, ADU | Camarillo · Ventura County | — | — |