| Magic Custom Painting INC | Miguel Angel Rangel Leon | — | (805) 814 8952 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Magis Build | Magis Build | micah@micahrich.com | (805) 794 5149 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Magnet Electric | Sam Saji | contact@magnet-electric.com | (805) 769 7528 | Electricians | Camarillo · Ventura County | — | — |
| Magnolia Landscape Construction | Juan Valentin Perezsanchez | — | (805) 754 9104 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Magnum Fence And Security INC | Jose Alfredo Chav Mendoza | — | (805) 641 3656 | Alarm and generators | Ventura · Ventura County | — | — |
| Maher Construction | Christian Jean Guy Maher | — | (310) 704 4430 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Mahnken Cabinets | Mahnken Cabinets | — | (805) 798 4887 | Other | Ojai · Ventura County | — | — |
| Mainstream Heating & Air INC | Peter Emmanuel Sophos | — | (805) 298 6133 | HVAC | Moorpark · Ventura County | — | — |
| Maintech Painting Services | Zhernova Yana | — | (805) 746 9858 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Maintenance Masters INC | John Leroy Mc Keehan | — | (818) 681 7686 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Maison | Lyndee Sue Rothbard | 55b6a7269e7d4f9ebfa25d75f7312269@app.getsentry.com | (818) 203 3051 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Majesky Masonry | Majesky Masonry | — | (805) 498 2089 | Other | Newbury Park · Ventura County | — | — |
| Majestic Fire Protection INC | Robert Dean Akers | — | (805) 813 9152 | Other | Simi Valley · Ventura County | — | — |
| Major Engineering Marine INC | Mycual Fowler Fisher | — | (805) 642 1915 | Other | Ventura · Ventura County | — | — |
| Mak Builders INC | Jose Alejandro Murillo Cortes | — | (805) 727 6418 | GC, remodel, ADU | Fillmore · Ventura County | — | — |
| Mako Construction Company | Jeffrey Robert Oliver | — | (805) 766 1683 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Malcolm James | Malcolm James | — | (818) 649 9129 | Other | Thousand Oaks · Ventura County | — | — |
| Malibu Canyon Landscape & Maintenance INC | David Scott Bateman | — | (805) 520 3636 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Malibu Estates Landscaping | Malibu Estates Landscaping | — | (805) 302 9988 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Malibu Lighting & Electric LLC | Evan Kerry Jones | — | (310) 804 5290 | Electricians | Westlake Village · Ventura County | — | — |
| Maliska Construction | Geoffrey Todd Maliska | — | (530) 318 2127 | GC, remodel, ADU | Oak View · Ventura County | — | — |
| Malone Construction | Stephen William Malone | — | (805) 231 2838 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Malone Enterprises | George Yates Malone | — | (805) 320 4778 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Mammoth Excavating INC | John Robert Mitchell | — | (805) 499 5463 | Other | Newbury Park · Ventura County | — | — |
| Man Power Electric INC | Ulysses Morales | — | (805) 907 8374 | Electricians | Moorpark · Ventura County | — | — |
| Manco Management INC | Roman Wayne Cooper | — | (805) 657 1157 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Mando & Mando Plastering INC | Armando Alfonso Jr Aguilar | — | (805) 469 9242 | Other | Santa Paula · Ventura County | — | — |
| Manhattan Millworks INC | Steven Albert Gonsalves | — | (805) 531 9238 | Other | Moorpark · Ventura County | — | — |
| Manor House Woodwork | Darrell Andrew Issitt | — | (805) 388 8259 | Other | Camarillo · Ventura County | — | — |
| Manos Landscape LLC | Michael Anthony Manos | — | (805) 498 7570 | Windows, patio, painters | Thousand Oaks · Ventura County | — | — |
| Mansour Dream Builders | Mansour Dream Builders | info@mansourdreambuilders.com | (310) 710 1111 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Manuel Cisneros Landscape Design | Manuel Cisneros Landscape Design | — | (805) 980 5187 | Windows, patio, painters | Oak View · Ventura County | — | — |
| Manuels | Cesar Ernesto Martinez | — | (805) 320 5383 | Windows, patio, painters | Santa Paula · Ventura County | — | — |
| Maple Landscape INC | Abraham Alejandro Hernandez | — | (805) 551 8713 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Mar Gardening INC | Alan G Carranza | — | (805) 646 8425 | Windows, patio, painters | Ojai · Ventura County | — | — |
| Maranatha Painting INC | Martin Cristobal Pacheco | — | (818) 256 9447 | Windows, patio, painters | Moorpark · Ventura County | — | — |
| Marble Granite Slabs Countertops | Armik Najda Shahinian | — | (818) 561 9145 | Other | Simi Valley · Ventura County | — | — |
| Marboli Enterprises | Bodis Zoltan | — | (949) 370 3350 | Other | Simi Valley · Ventura County | — | — |
| Marcarelli Design INC | Cameron Jacob Marcarelli | — | (818) 274 9017 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Marco Briseno Castro | Marco Briseno Castro | — | (805) 666 9412 | Electricians | Piru · Ventura County | — | — |