| Mt Construction | Song Mingtang | — | (408) 718 1328 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Mt View Tree Service | Sabino Torres Cruz | — | (650) 254 0446 | Tree | Mt View · Santa Clara County | — | — |
| Mtd Drywall INC | Michael Robert Tomasello | office@mtddrywall.com | (408) 847-8400 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Mtz Plumbing INC | Martinez Gutierrez Hector | — | (669) 214 1535 | Other | Sunnyvale · Santa Clara County | — | — |
| Mueller Plumbing INC | Gordon Robert Mueller | — | (408) 971 6279 | Other | San Jose · Santa Clara County | — | — |
| Muhn & Sons INC | Mark Steven Muhn | — | (408) 234 5143 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Muhn And Sons | Muhn And Sons | — | (408) 234 5143 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Mullins Construction INC | Walter Eugene Mullins | — | (408) 569 3434 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Mundo's Construction | Edmundo Tinajero Aguilar | — | (408) 806 7042 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Mundwyler Enterprise | Mundwyler Enterprise | — | (669) 226 8045 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Munguia Construction Co | Tom Raymond Powell | — | (408) 590 1892 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Munoz Building Maintenance LLC | Aurora Garcia Munoz | — | (408) 910 8553 | GC, remodel, ADU | San Martin · Santa Clara County | — | — |
| Murison's Flooring America | Edward Miroslav Lacina | — | (408) 267 0220 | Other | San Jose · Santa Clara County | — | — |
| Muros Drywall Solutions | Muros Drywall Solutions | — | (650) 388 2596 | Other | San Jose · Santa Clara County | — | — |
| Murray Window | Carol Francine Murray | info@murraywindow.com | (408) 871 6990 | Windows, patio, painters | Campbell · Santa Clara County | — | — |
| Murtha Mouldings And Mantels | Murtha Mouldings And Mantels | — | (408) 807 9684 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| Musson Theatrical INC | Robert Whitney Downs | — | (408) 986 0210 | Other | Santa Clara · Santa Clara County | — | — |
| Mv Fencing | Mv Fencing | — | (408) 469 5699 | Other | San Jose · Santa Clara County | — | — |
| Mvn Painting INC | Miguel Angel Nunez Jaime | — | (925) 260 4961 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Mvs Construction INC | Miguel Angel Henriquez | — | (650) 787 2731 | GC, remodel, ADU | East Palo Alto · Santa Clara County | — | — |
| My Electrical LLC | Jia Wang | — | (669) 232 6882 | Electricians | San Jose · Santa Clara County | — | — |
| My Nu Realty | Carol Marie Meyer | — | (408) 888 5558 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| My Windows And Glass Patio Doors | Victor Alfonso Villela | — | (408) 466 1282 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Mymansion Construction | Satyanarayana Dasari | — | (408) 666 6231 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Mz General Construction | Cornejo Manuel Zaragoza | — | (650) 216 5030 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| Mz Landscaping | Mz Landscaping | — | (408) 598 5169 | Windows, patio, painters | Santa Clara · Santa Clara County | — | — |
| N & B Bay Construction INC | Alberto Redubla Alfonso | — | (408) 887 0981 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| N B S Electric | Bachar Jamil Alhadad | — | (408) 230 5358 | Electricians | San Jose · Santa Clara County | — | — |
| N C Blanch Company | Nathan Cristopher Blanchard | — | (408) 903 0410 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| N D T Construction LLC | Romero Fernando Garcia | — | (650) 776 7387 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| N J Kann Painting INC | Nancy Jane Kann | — | (408) 437 0220 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| N M Electric | Nathan Edward Moore | — | (661) 201 5682 | Electricians | San Jose · Santa Clara County | — | — |
| N M Square Construction | Neri Mendoza Munoz | — | (408) 807 2408 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| N N Electric | Ngo Ngoc | — | (408) 205 1922 | Electricians | Milpitas · Santa Clara County | — | — |
| N Power Electric INC | Aboutalebi Nowrouz | — | (408) 898 6482 | Electricians | Campbell · Santa Clara County | — | — |
| N Q B Construction | Binh Hoang Nguyen | — | (408) 499 1946 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| N S I - Systems INC | Jeffery August Aiello | — | (408) 844 8161 | Other | Santa Clara · Santa Clara County | — | — |
| N Style Painting LLC | Nicholas Pierce | npierce@nstylepainting.com | (916) 234-3551 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| N T Electric | Chi Nguyen Thanh Tran | — | (408) 835 5879 | Electricians | San Jose · Santa Clara County | — | — |
| N T General Construction Company | En Qi Yu | — | (408) 623 2297 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |