| Matos General Construction | Rogerio De Sousa Matos | — | (408) 687 7760 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Matrix Pest & Termite Company | Matrix Pest & Termite Company | — | (626) 444-4700 | Pest, tile roofs | South El Monte · Santa Clara County | — | — |
| Matson Builders INC | Denis Carl Matson | — | (408) 294 3085 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Matt Tollick And Company | Tollick Matthew | — | (408) 507 5517 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Matthew A Kansky | Matthew A Kansky | — | (650) 269 3181 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| Matthew Hathaway DBA Custom Hot Mop | Custom Hot Mop | — | (408) 661 4921 | Other | Gilroy · Santa Clara County | — | — |
| Matthew Richmond | Matthew Richmond | — | (408) 691 0917 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Matthias Eichstaedt | Matthias Eichstaedt | — | (650) 204 0876 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Maurice Anthony Agrillo General Contractor | Maurice Anthony Agrillo General Contractor | — | (408) 910 4266 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Mauricio Ibarra Paving And Grading | Mauricio Ibarra Paving And Grading | — | (650) 464 4529 | Other | Mountain View · Santa Clara County | — | — |
| Mauricio Robles | Mauricio Robles | hola@mauriciorobles.com | (408) 829 3171 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Mauricio's Landscaping & Lawn Maint Srvcs | Jose Mauricio Menjivar | — | (408) 829 6237 | Windows, patio, painters | Sunnyvale · Santa Clara County | — | — |
| Mauser Construction LLC | Randall Michael Horn | — | (408) 656 8040 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Maverick Building Group INC | Mario Ribeiro Azevedo | — | (408) 238 1244 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Maverick Painting INC | Michael Luis Souza | marina@maverickpainting.com | (408) 592 4435 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| Mavericks Backflow & Plumbing LLC | Miguel Angel Villegas Romero | — | (408) 333 5446 | Other | San Martin · Santa Clara County | — | — |
| Max Aire Heating & Cooling INC | Aceves Raul | — | (408) 390 5772 | HVAC | Morgan Hill · Santa Clara County | — | — |
| Max Household Services Inc. | Max Household Services Inc. | — | (408) 692-1838 | HVAC | Santa Clara · Santa Clara County | — | — |
| Max Level Electric | Gage Stephen Gorman | contact@sansoxygen.com | (408) 763 0873 | Electricians | Santa Clara · Santa Clara County | — | — |
| Max Shield Roofing INC | Gad Petel | — | (408) 809 6199 | Other roofers | San Jose · Santa Clara County | — | — |
| Max's Tile | Max's Tile | — | (408) 732 2094 | Other | Sunnyvale · Santa Clara County | — | — |
| Maxicon INC | Ira George| Hall George Hall | maxiweb1@maxicon.com | (408) 395 6846 | Other | Los Gatos · Santa Clara County | — | — |
| Maximo Glass | Maximo Glass | jessie.maximoglass@gmail.com | (415) 933 2005 | Windows, patio, painters | Mountain View · Santa Clara County | — | — |
| Maximum Construction INC | Antonio Elder Bettencourt | — | (408) 529 2398 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Maximum Electric | Mansour Kaka Aghazadeh | — | (408) 489 6503 | Electricians | Campbell · Santa Clara County | — | — |
| Maximum Fire Protection INC | Manuel Anthony Marquez | — | (408) 384 9489 | Other | San Jose · Santa Clara County | — | — |
| Maxseal LLC | Matthew Allan Longanbach | — | (408) 400 3630 | HVAC | Gilroy · Santa Clara County | — | — |
| May Construction INC | Gregory Scott May | — | (408) 294 6763 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Mayito's Plumbing Services | Mayo Jose | — | (408) 627 3776 | Other | San Jose · Santa Clara County | — | — |
| Mayo Electric INC | James Anthony Mayo | impallari@gmail.com | (408) 504 0732 | Electricians | San Jose · Santa Clara County | — | — |
| Mazi Construction | Mojtabavi Maziar | info@maziconstruction.com | (408) 391 0567 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Mb Electric | Michael Joseph Barba | info@mbelectric.com | (669) 304 6036 | Electricians | Santa Clara · Santa Clara County | — | — |
| Mb Painting | Mb Painting | — | (408) 427 1181 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Mb Quality Painting | Mb Quality Painting | — | (818) 264 9246 | Windows, patio, painters | Campbell · Santa Clara County | — | — |
| Mba Electric INC | Monico Arcienega Burgara | info@mbaelectric.com | (408) 690 0108 | Electricians | San Jose · Santa Clara County | — | — |
| Mbc Remodeling INC | Frias Fernando Molina | — | (408) 482 4888 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Mbi.usa DBA Mbi Groups | Michael Mohsen Ahi | — | (650) 646 1717 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| Mbm General Contracting LLC | Mitchell Brooks Mcgrath | — | (408) 596 1975 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Mbp Construction INC | Miguel Angel Velazquez Mata | — | (408) 239 9394 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Mc Clintock Landscape Horticultural Services | Michael Edward Gladden | — | (408) 761 5969 | Windows, patio, painters | Campbell · Santa Clara County | — | — |