| Mountain Masonry | Alex Johnstone | — | (760) 379 7503 | Other | Kernville · Kern County | — | — |
| Mountain Mechanical Company | Daniel Lee Housh | acox@mountainmechanical.com | (661) 447 2888 | HVAC | Kernville · Kern County | — | — |
| Mountain Plumbing Co | Angel Mario Garcia | — | (818) 679 4355 | Other | Lake Isabella · Kern County | — | — |
| Mountain Power Electric INC | Doroteo Aleman Jr Rodriguez | — | (805) 844 6888 | Electricians | Tehachapi · Kern County | — | — |
| Mountain Valley Plumbing | Mountain Valley Plumbing | — | (661) 448 7388 | Other | Tehachapi · Kern County | — | — |
| Mp Contracting | Matthew Paul Cerrato | — | (661) 713 5700 | GC, remodel, ADU | Tehachapi · Kern County | — | — |
| Mqs Construction INC | Miguel Angel Quiroga Santillano | — | (661) 487 9291 | GC, remodel, ADU | Taft · Kern County | — | — |
| Mr Bobcat Excavation INC | Michael Wayne Jones | — | (661) 588 2228 | Other | Bakersfield · Kern County | — | — |
| Mr Fix-it Professional Handyman Services | James Francis Witmyer | — | (661) 742 9427 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Mrv Service Air INC | Manuel Rivera Valdovinos | mrvoffice01@gmail.com | (661) 725 3400 | HVAC | Delano · Kern County | — | — |
| Ms Plumbing And Rooter INC | Peraza Misael Mendoza | — | (661) 484 6669 | Other | Bakersfield · Kern County | — | — |
| Msi | David Mark Mitchell | — | (661) 412 2075 | Electricians | Bakersfield · Kern County | — | — |
| Msi Security | David Mark Mitchell | info@msisecurity.com | (800) 243 8030 | Electricians | Bakersfield · Kern County | — | — |
| Mtg Landscaping LLC | Antonio Gonzalez | — | (661) 333 6025 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| Mulder Construction | Gerald Edwin Mulder | — | (661) 871 4473 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Mundo Hernandez Plastering | Mundo Hernandez Plastering | — | (661) 303 6914 | Other | Bakersfield · Kern County | — | — |
| Munguia Heating & Air Conditioning | Munguia Heating & Air Conditioning | — | (661) 792 6355 | HVAC | Mc Farland · Kern County | — | — |
| Munoz Cabinetry LLC | Virginia Natalia Munoz Codiroli | munozcabinets@hotmail.com | (661) 836 8747 | Other | Bakersfield · Kern County | — | — |
| Munoz Home Improvement INC | Humberto Jr Munoz | — | (661) 493 1340 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Munson Electric | Edward Travis Munson | — | (661) 829 5559 | Electricians | Bakersfield · Kern County | — | — |
| Muralles Drywall INC | Dalilo Antonio Muralles Palencia | — | (661) 487 3520 | Other | Bakersfield · Kern County | — | — |
| Murillo's Cabinets | Murillo's Cabinets | — | (661) 717 0741 | Other | Bakersfield · Kern County | — | — |
| Muxlow Construction | William Nicholas Muxlow | — | (661) 342 0461 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Mv Concrete | Mv Concrete | — | (661) 468 5223 | Other | Rosamond · Kern County | — | — |
| My Electric Co | Martin Walter Williams | — | (661) 201 1749 | Electricians | Bakersfield · Kern County | — | — |
| Myers Painting | Myers Painting | — | (661) 617 0048 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| N & J Tree Service INC | Jose Antonio Salas | — | (661) 371 9042 | Tree | Bakersfield · Kern County | — | — |
| N & R Floor Covering Installation | Robles Gabriel | — | (661) 788 9021 | Other | Bakersfield · Kern County | — | — |
| N B Compressors & Pumps | Kenneth David Berry | — | (661) 397 1950 | Other | Bakersfield · Kern County | — | — |
| N K Signs | N K Signs | — | (661) 978 7319 | Other | Bakersfield · Kern County | — | — |
| N S M Recycling INC | Richard Duane Nix | — | (661) 758 9940 | Other | Bakersfield · Kern County | — | — |
| Nadeen Sarah Stears | Nadeen Sarah Stears | — | (661) 424 9055 | Other | Frazier Park · Kern County | — | — |
| Nagle Earthworks | Nagle Earthworks | — | (661) 364 2821 | Other | Bakersfield · Kern County | — | — |
| Napoles Heating & Air Conditioning | Napoles Heating & Air Conditioning | — | (661) 369 9630 | HVAC | Bakersfield · Kern County | — | — |
| Narbona Construction LLC | Abdul Haleem Haleemi | — | (323) 336 7496 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Nate Yarbrough Plastering | Nate Yarbrough Plastering | — | (661) 203 1045 | Other | Bakersfield · Kern County | — | — |
| Nathan Baker's Pool Services | Nathan Baker's Pool Services | nathanbakerps@gmail.com | (760) 290-9442 | Pool | San Marcos · Kern County | — | — |
| Nathaniel Duffey Jr | Nathaniel Duffey Jr | — | (310) 600 8598 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| National Engineering & Development | Steven Roy Jr Hendrix | — | (661) 431 8851 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Neil Christman | Neil Christman | — | (760) 608 2179 | GC, remodel, ADU | Ridgecrest · Kern County | — | — |