| Mexoa Concrete | Mexoa Concrete | — | (951) 446 8854 | Other | Perris · Riverside County | — | — |
| Meza Premium Plastering | Meza Premium Plastering | — | (760) 620 6326 | Other | Desert Hot Springs · Riverside County | — | — |
| Mfc Construction INC | Manuel Fernandez | — | (760) 455 1379 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Mg Building Company | Martin Morales Gomez | — | (951) 306 8238 | GC, remodel, ADU | San Jacinto · Riverside County | — | — |
| Mg Construction & Electrical INC | Jose Sigifredo Solano Lopez | — | (760) 770 5696 | Electricians | Palm Desert · Riverside County | — | — |
| Mg Drywall Usa | Mg Drywall Usa | — | (951) 488 2346 | Other | Moreno Valley · Riverside County | — | — |
| Mg Electrical Services | Gomez Miguel | — | (562) 841 3580 | Electricians | Riverside · Riverside County | — | — |
| Mg Electrical Solutions INC | Miguel Jr Garcia Rosas | — | (951) 591 3441 | Electricians | San Jacinto · Riverside County | — | — |
| Mg Landscape Maintenance INC | Martin Garcia | — | (951) 743 9526 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Mg Landscaping Construction | Guzman Bustos Manuel | — | (951) 234 6438 | Windows, patio, painters | Menifee · Riverside County | — | — |
| Mg Tile Decorations | Mg Tile Decorations | — | (951) 227 3225 | Other | Riverside · Riverside County | — | — |
| Mge General Concepts & Construction | Armando Rafael Marroquin | — | (951) 464 5111 | GC, remodel, ADU | Perris · Riverside County | — | — |
| Mgl Tech Construction INC | Nelson Omar Cruz | — | (323) 495 9177 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Mgn Landscaping | George Curtis Brown | — | (909) 632 9368 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Mgr Construction Clean Up | Jose Jesus Araiza Rodriguez | — | (951) 880 3531 | Other | Riverside · Riverside County | — | — |
| Mh Cabinet Installation INC | Mark Alan Holloway | — | (714) 315 4398 | Other | Temecula · Riverside County | — | — |
| Mh General Building INC | Tyler Hammonds Gallaudet | — | (760) 464 4477 | GC, remodel, ADU | Coachella · Riverside County | — | — |
| Mh General Construction INC | Michael Sami Hitti | — | (951) 743 1099 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Mh Pool Construction | Matthew Shane Hylton | — | (951) 415 2329 | Pool | Riverside · Riverside County | — | — |
| Mhc Group LLC | Saul Enrique Ii Cubas | — | (951) 688 3524 | HVAC | Riverside · Riverside County | — | — |
| Mhc Roofing INC | Mark Harold Collins | — | (951) 847 8134 | Other roofers | Corona · Riverside County | — | — |
| Mhd Construction | Menglei Hu | — | (626) 922 6286 | GC, remodel, ADU | Eastvale · Riverside County | — | — |
| Mhernandez Grading INC DBA Pacheco Grading | Federico Pacheco Hernandez | — | (760) 972 1408 | Other | Indio · Riverside County | — | — |
| Mi Clima Air Conditioning And Heating INC | Alan Shenen Ramirez Ramos | — | (310) 330 6573 | HVAC | Riverside · Riverside County | — | — |
| Mi Hacienda Construction | Juan Manuel Vallejo | — | (909) 545 3576 | GC, remodel, ADU | Mira Loma · Riverside County | — | — |
| Miao's Construction INC | Weimin Miao | — | (682) 666 8201 | GC, remodel, ADU | Winchester · Riverside County | — | — |
| Micah Combs | Micah Combs | — | (760) 574 9267 | GC, remodel, ADU | Indio · Riverside County | — | — |
| Michael A Cielski | Michael A Cielski | — | (951) 743 0663 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Michael Allen Tile | Michael Allen Tile | — | (805) 234 1460 | Other | Indio · Riverside County | — | — |
| Michael Alverson Plastering | Michael Alverson Plastering | — | (909) 794 3788 | Other | Calimesa · Riverside County | — | — |
| Michael Anthony Lopez Jr | Michael Anthony Lopez Jr | — | (714) 348 8604 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Michael Bogs | Michael Bogs | — | (951) 385 7515 | Other | Menifee · Riverside County | — | — |
| Michael Campbell | Michael Campbell | — | (310) 720 8879 | Electricians | Palm Springs · Riverside County | — | — |
| Michael Carmona Painting | Michael Carmona Painting | — | (909) 477 0154 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Michael Christian Birchard | Michael Christian Birchard | — | (951) 237 8070 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Michael D Jenkins | Michael D Jenkins | — | (951) 847 6343 | Windows, patio, painters | Corona · Riverside County | — | — |
| Michael Dean Carson | Michael Dean Carson | — | (951) 768 6608 | Pool | Riverside · Riverside County | — | — |
| Michael Dickinson | Michael Dickinson | interested@domainmarket.com | (951) 216 5265 | HVAC | Menifee · Riverside County | — | — |
| Michael E Mckinney Construction | Michael Earl Mc Kinney | — | (951) 332 0752 | Other | Riverside · Riverside County | — | — |
| Michael F Worman | Michael F Worman | — | (951) 537 8590 | GC, remodel, ADU | Palm Springs · Riverside County | — | — |