| Mathew Lloyd Homes LLC | Mathew Lloyd Steinert | — | (310) 991 2660 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Matias Tacen | Matias Tacen | — | (818) 521 8627 | Windows, patio, painters | Thousand Oaks · Ventura County | — | — |
| Matnson Structural Steel | Matnson Structural Steel | — | (805) 428 4396 | Other | Simi Valley · Ventura County | — | — |
| Matrix Construction Company | Casillas Henry | — | (805) 231 3971 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Matrix Security INC | James William Jamison | — | (818) 402 9217 | Electricians | Simi Valley · Ventura County | — | — |
| Matt B Plumbing | Matt B Plumbing | — | (805) 320 2462 | Other | Camarillo · Ventura County | — | — |
| Matt Bancroft Construction | Matthew Machen Bancroft | — | (805) 732 9087 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Matt Bancroft Construction INC | Matthew Machen Bancroft | — | (805) 732 9087 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Matt Beck | Matt Beck | — | (805) 791 9049 | Other | Simi Valley · Ventura County | — | — |
| Matt Crowley Home Solutions | Matt Crowley Home Solutions | — | (805) 551 1215 | Electricians | Newbury Park · Ventura County | — | — |
| Matt Fozard | Matt Fozard | — | (310) 720 1033 | GC, remodel, ADU | Port Hueneme · Ventura County | — | — |
| Matt Gerns | Matt Gerns | — | (818) 970 7953 | Electricians | Westlake Village · Ventura County | — | — |
| Matt May | Matt May | — | (805) 750 4324 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Matthew E Mansi | Matthew E Mansi | — | (805) 216 5279 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Matthew S Burns | Matthew S Burns | — | (805) 436 4210 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Matz Roofing INC | Garcia Ariel Morales | — | (818) 427 5146 | Other roofers | Oxnard · Ventura County | — | — |
| Mauricio Romero Cortez | Mauricio Romero Cortez | — | (805) 401 3207 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Maven Concept Concrete | Pena Ulises Gerardo | — | (805) 906 9408 | Other | Simi Valley · Ventura County | — | — |
| Maveric Construction INC | Eric Dale Vogt | — | (805) 304 2227 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Maverick Floors | Almog Eran | — | (888) 356 6760 | Other | Thousand Oaks · Ventura County | — | — |
| Maverick Remodeling & Design INC | Almog Eran | — | (800) 736 7509 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Max Reed | Max Reed | — | (805) 312 3873 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Maxim Elec | Maxim Elec | — | (818) 943 8029 | Electricians | Thousand Oaks · Ventura County | — | — |
| Maximiliano Carlos Sanfelippo Electric | Maximiliano Carlos Sanfelippo | — | (818) 370 1456 | Electricians | Simi Valley · Ventura County | — | — |
| Maximus Power Electrical Services | Jose Israel Gonzalez Garcia | — | (805) 284 8301 | Electricians | Ventura · Ventura County | — | — |
| Maxx And Jm Construction | Ki Hong Chang | — | (213) 545 4502 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Maxx Grip Plumbing & Sewer Service INC | Fernando Izmael Hernandez | — | (805) 775 6458 | HVAC | Oxnard · Ventura County | — | — |
| Maycon A Cortes | Maycon A Cortes | — | (805) 236 1620 | Other | Oxnard · Ventura County | — | — |
| Mazza Construction | Gene Joseph Mazza | — | (805) 823 5091 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Mb Windows Co | Beqiri Maldin | — | (904) 716 5069 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Mba Mechanical INC | Manuel David Jasso | admin@mbamechanical.com | (805) 404-6011 | HVAC | Simi Valley · Ventura County | — | — |
| Mbk Unlimted DBA Custom Derian Pools & Construction | Kerri Elizabeth Mc Coy | — | (805) 529 6677 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Mc And Son Builders | Mc And Son Builders | — | (805) 890 3246 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Mc Carthy Concrete | Mc Carthy Concrete | — | (805) 646 4556 | Other | Ojai · Ventura County | — | — |
| Mc Carthy Electric | David Maurice Mc Carthy | — | (805) 422 8994 | Electricians | Simi Valley · Ventura County | — | — |
| Mc Cleery Company DBA The Door Outlet | Ryan Mark Mccleery | — | (805) 644 8580 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Mc Combs INC | Gregory Alan Mc Combs | — | (805) 658 6894 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Mc Cord Electric | Bryan Robert Mc Cord | — | (805) 340 5494 | Electricians | Ventura · Ventura County | — | — |
| Mc Custom Concrete | Mc Custom Concrete | — | (805) 701 4728 | Other | Ventura · Ventura County | — | — |
| Mc Elroy Overhead Door | Mc Elroy Overhead Door | — | (805) 493 2247 | Other | Westlake Village · Ventura County | — | — |