| Metacore Construction & Roofing INC | Jason Robert Broom | — | (510) 566 3283 | Other roofers | Castro Valley · Alameda County | — | — |
| Metal Building Company | Jim Banfield | — | (510) 635 0111 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Metcon Ti Inc. | Marc Barkdull | info@metcon-ti.com | (925) 846 4433 | GC, remodel, ADU | Pleasanton · Alameda County | — | — |
| Metro Caseworks | Arthur H Amon | art.a@metrocaseworks.com | (510) 354 3666 | Other | Fremont · Alameda County | — | — |
| Metro Painting | Metro Painting | — | (510) 590 6563 | Windows, patio, painters | San Leandro · Alameda County | — | — |
| Metropolis Metal Works | Metropolis Metal Works | — | (510) 969 8200 | Other | San Leandro · Alameda County | — | — |
| Metropolitan Interiors | Fred Firooz Farhood | — | (510) 781 1100 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Metz Construction | Metz Joseph | %20joe@metzconstruction.com | (510) 710 3939 | Electricians | Berkeley · Alameda County | — | — |
| Metz Glazing Services | Thomas Charles Metz | — | (626) 338 2481 | Windows, patio, painters | Livermore · Alameda County | — | — |
| Mf General Construction & Remodeling | Diego I Martinez Covarrubias | — | (510) 484 1917 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Mg Rooter INC | Saldana Mario Gomez | — | (510) 340 1826 | Other | Oakland · Alameda County | — | — |
| Mge Electric INC | Jose Maximiliano Guzman Escobar | — | (650) 518 0891 | Electricians | Newark · Alameda County | — | — |
| Mgl Painting | Saruul Dashravdan | — | (510) 326 1945 | Windows, patio, painters | Alameda · Alameda County | — | — |
| Mh Construction Services | Mark Eugene Hoy | — | (650) 245 3960 | GC, remodel, ADU | Emeryville · Alameda County | — | — |
| Mhg Builder & Consulting INC | Mark Henry Garcia | — | (925) 217 4765 | GC, remodel, ADU | Dublin · Alameda County | — | — |
| Mhs Solutions | Mufid Shawasha | — | (925) 600 1400 | GC, remodel, ADU | Pleasanton · Alameda County | — | — |
| Micael's Roofing Company INC | Milter Micael Funes Matias | — | (510) 541 2834 | Other roofers | Oakland · Alameda County | — | — |
| Micah Electric Company | Micah Sam Jackson-Sattler | — | (510) 710 0534 | Electricians | Oakland · Alameda County | — | — |
| Michael A Feiner | Michael A Feiner | — | (510) 367 1778 | GC, remodel, ADU | Berkeley · Alameda County | — | — |
| Michael A Rantz | Michael A Rantz | — | (510) 325 6424 | GC, remodel, ADU | Alameda · Alameda County | — | — |
| Michael Behen | Michael Behen | — | (415) 272 5465 | Windows, patio, painters | Hayward · Alameda County | — | — |
| Michael Black Construction INC | Michael James Black | — | (510) 760 4425 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Michael Camigi | Michael Camigi | — | (510) 429 0735 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Michael D Mrakovcich INC | Michael David Mrakovcich | — | (925) 580 2606 | GC, remodel, ADU | Pleasanton · Alameda County | — | — |
| Michael Davis Construction | Davis Michael | — | (510) 432 9846 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Michael East Construction Company | Michael Anthony East | — | (925) 705 6351 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Michael Gardner Plumbing | Michael Gardner Plumbing | — | (510) 427 6710 | Other | San Lorenzo · Alameda County | — | — |
| Michael Gareth Smith | Michael Gareth Smith | — | (510) 907 0041 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| Michael Hynes DBA Bay Roofing Co | Deborah Annette Hynes | — | (510) 521 8300 | Other roofers | Alameda · Alameda County | — | — |
| Michael J Cooke DBA C E C Electrical And Engineering Contractors | Michael John Cooke | — | (510) 295 9350 | Electricians | Oakland · Alameda County | — | — |
| Michael J Mc Bride Jr | Michael J Mc Bride Jr | — | (510) 219 9402 | Other | Oakland · Alameda County | — | — |
| Michael J Rodola Constr Co | Michael Joseph Rodola | — | (925) 462 8807 | Other | Pleasanton · Alameda County | — | — |
| Michael James Larrick | Michael James Larrick | — | (510) 759 7553 | GC, remodel, ADU | Berkeley · Alameda County | — | — |
| Michael Kuhnke | Michael Kuhnke | — | (925) 922 3632 | GC, remodel, ADU | Livermore · Alameda County | — | — |
| Michael Mc Fadden Construction | Michael Dane Mc Fadden | — | (650) 218 2022 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Michael Mccutcheon Construction Company INC | Steve Adrian Rienzi | — | (510) 558 8030 | GC, remodel, ADU | Berkeley · Alameda County | — | — |
| Michael Mcvey | Michael Mcvey | — | (510) 566 4565 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Michael Medeiros DBA Professional Painting Co | Michael Anthony Medeiros | — | (510) 490 2925 | Windows, patio, painters | Fremont · Alameda County | — | — |
| Michael Resnick Electric | Michael Elliot Resnick | — | (510) 251 0757 | Electricians | Oakland · Alameda County | — | — |
| Michael Steele DBA Deckmasters | Michael Steele DBA Deckmasters | — | (510) 656 3325 | GC, remodel, ADU | Fremont · Alameda County | — | — |