| Mulick Construction And Design INC | Ronald Leland Mulick | — | (818) 889 0440 | Electricians | Thousand Oaks · Ventura County | — | — |
| Mumford Scott Heating And Air Conditioning | Scott Allen Mumford | — | (805) 297 6548 | HVAC | Simi Valley · Ventura County | — | — |
| Munroe Construction Services | Thomas Mitchell Munroe | — | (805) 796 4417 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Murillo Electric INC | Murillo George | — | (805) 551 7278 | Electricians | Thousand Oaks · Ventura County | — | — |
| Murphcap Jv | Service Builders Client | — | (805) 290 7906 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Murphy-haddock Home Improvement & Repair | Murphy-haddock Home Improvement & Repair | — | (818) 849 9625 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Murrieta Electric INC | Greg Alan Murrieta | — | (805) 643 9587 | Electricians | Ventura · Ventura County | — | — |
| Mv Design & Builders INC | Matthew Roy Villanueva | — | (805) 501 0676 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Mw Mason Construction INC | Matthew Wayne Mason | — | (805) 988 0800 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| My Painter Painting | My Painter Painting | — | (805) 701 3218 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| My Window Solutions INC | Parry Arthur Annis | parryannis@gmail.com | (805) 499 9111 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Myers Equipment INC | Casey Evan Myers | — | (805) 947 8818 | Other | Ojai · Ventura County | — | — |
| Mysmartpad Builders | Rajelio Ramirez | — | (805) 670 0244 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Mystic Construction INC | Micheal Alfred Golovich | — | (805) 249 0050 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| N M Construction | Nathan Michael Whitson | — | (805) 479 7405 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| N M Divine Construction | Maldonado-villarauz Natanael | — | (805) 512 5039 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| N R Construction & Woodworks | Rahab Naman | — | (858) 215 3326 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| N R G C Contractors | Dirk Anthony Drew | — | (913) 461 1041 | Electricians | Thousand Oaks · Ventura County | — | — |
| N V R Tree Service | Ricardo Carranza Rodriguez | — | (805) 607 6099 | Tree | Oxnard · Ventura County | — | — |
| Nalibu Builders INC | Bello Nicolas Perez | — | (805) 667 7254 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Nartihp Construction | Phi Trung Tran | — | (805) 223 5414 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| Nason's Lock & Safe INC | Donald Lee Brown | — | (805) 487 3949 | Other | Camarillo · Ventura County | — | — |
| Natalie V Likavec / Vujicic | Natalie V Likavec / Vujicic | — | (818) 991 6629 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Nathan Construction | Panchanathan Reghunathan | — | (818) 634 7529 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Nathan York Construction Incorporated | Nathan Richard York | — | (818) 652 0193 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| National Commercial Development INC | Keith Alan Whitener | — | (571) 220 2683 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| National Roofing Guy | Kyle James Phillippe | — | (805) 861 9375 | Other roofers | Ventura · Ventura County | — | — |
| Native Grass Landscapes | Isabel Katrin Moritz | — | (310) 430 2978 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Native Oak | Israel Sanchez | contact@nativeoak.com | (805) 644 2710 | Other | Ventura · Ventura County | — | — |
| Native Trees | Ana Victoria Castellanos | — | (805) 330 0596 | Tree | Oxnard · Ventura County | — | — |
| Natural Green Restoration And Construction | Gilbert Jr Zaragoza | — | (805) 824 0564 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Natural Tree Services INC | Irma Perez | — | (805) 509 2474 | Tree | Oxnard · Ventura County | — | — |
| Natural Wonders Trees INC | Juan Angel Bautista | — | (818) 717 8787 | Tree | Simi Valley · Ventura County | — | — |
| Navarro Electric | Andrew Jesus Navarro | — | (805) 844 6651 | Electricians | Oxnard · Ventura County | — | — |
| Navigator Construction INC | James Charles Hall | — | (805) 628 0690 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Nazer Jack Saiege | Nazer Jack Saiege | — | (818) 626 2521 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Neale D Fitzsimmons | Neale D Fitzsimmons | — | (805) 630 8680 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Ned L Webster Concrete Construction INC | Edward Louis Webster | — | (805) 529 4900 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Nehrig Ag Construction | Frederick Gage Nehrig | — | (805) 524 1063 | Other | Fillmore · Ventura County | — | — |
| Neighbor Envy | Eric Joseph Foglesong | — | (818) 434 1505 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |