| Mbm Landscape INC | Balladares Manuel Mendez | — | (209) 484 2598 | Windows, patio, painters | Empire · Stanislaus County | — | — |
| Mc & J Waterproofing Coatings Company INC | Jorge Armando Manriquez Pizano | — | (209) 905 6310 | Windows, patio, painters | Newman · Stanislaus County | — | — |
| Mc Cleary Painting | Mc Cleary Painting | — | (209) 322 2398 | Windows, patio, painters | Oakdale · Stanislaus County | — | — |
| Mc Clure Plaster & Paint INC | Brett Dane Kirby | — | (209) 668 0974 | GC, remodel, ADU | Denair · Stanislaus County | — | — |
| Mc Creativeworks | Mc Creativeworks | info@mccreativeworks.com | (209) 408 7935 | Other | Salida · Stanislaus County | — | — |
| Mc Dairy Construction INC | Michael Patrick Miranda | — | (209) 669 8488 | GC, remodel, ADU | Turlock · Stanislaus County | — | — |
| Mc Heating & Air Conditioning INC | Torres Claudio Martinez | — | (408) 396 9389 | HVAC | Ceres · Stanislaus County | — | — |
| Mc Millen's General Contracting | Galen Ray Mc Millen | — | (209) 604 6711 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Mc Roy - Wilbur Communities INC | Mark Sanford Wilbur | — | (209) 491 5430 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Mcbride Fence | Mcbride Fence | — | (209) 345 1354 | Other | Keyes · Stanislaus County | — | — |
| Mccormick Painting & Decorating INC | Byrlyn Deann Mccormick | — | (209) 225 7844 | Windows, patio, painters | Oakdale · Stanislaus County | — | — |
| Mcgraw Construction INC | Florentino Jr Ramirez | — | (209) 695 9798 | GC, remodel, ADU | Patterson · Stanislaus County | — | — |
| Mckenzie Network Solutions LLC | Jeffery Kyle Mckenzie | — | (209) 324 9628 | Other | Salida · Stanislaus County | — | — |
| Mclain's Roofing | Cecil Glenn Mclain | john@smith.com | (209) 924 7663 | Other roofers | Modesto · Stanislaus County | — | — |
| Mcr Painting INC | Cesar Ramirez Mejia | — | (209) 408 8701 | Windows, patio, painters | Modesto · Stanislaus County | — | — |
| Mdl Construction Corp DBA Mdl Framing Construction | Rodriguez Mario Ayala | — | (209) 568 2952 | Other | Ceres · Stanislaus County | — | — |
| Medina's Construction & Development INC | Victor Alfonso Medina Garcia | — | (209) 853 1780 | GC, remodel, ADU | Waterford · Stanislaus County | — | — |
| Medina's Ornamental Fencing | Medina's Ornamental Fencing | — | (209) 322 5618 | Other | Hickman · Stanislaus County | — | — |
| Medina's Roofing | Jose Mata Medina | — | (209) 345 0922 | Other roofers | La Grange · Stanislaus County | — | — |
| Meet's Heating & Air | Meet Kamal Singh | — | (209) 318 9882 | HVAC | Turlock · Stanislaus County | — | — |
| Mejia's Painting LLC | Felix Alberto Mejia Villeda | — | (209) 416 5023 | Windows, patio, painters | Modesto · Stanislaus County | — | — |
| Mel Bradley Electric | Melvin George Bradley | — | (209) 765 7009 | Electricians | Oakdale · Stanislaus County | — | — |
| Mel's Heating & Air INC | Melis Golan Eisavi | — | (209) 664 0331 | HVAC | Turlock · Stanislaus County | — | — |
| Mendez Construction | Rodrigo Francisco Mendez | interested@domainmarket.com | (209) 888 7129 | GC, remodel, ADU | Ceres · Stanislaus County | — | — |
| Mendez Roofing | Juan Carlos Sorto Mendez | — | (831) 800 4170 | Other roofers | Patterson · Stanislaus County | — | — |
| Mendoza Pro Services LLC | Ricardo Mendoza-Lopez | — | (510) 940 5614 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Menghetti Construction INC | Charles Alan Menghetti | — | (209) 524 2465 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Meras Water Solutions | Joseph Conrad Clara | — | (209) 900 4500 | Other | Salida · Stanislaus County | — | — |
| Meraz Family Painting LLC | Octavio Meraz | merazfamilypainting@gmail.com | (209) 809 6912 | Windows, patio, painters | Modesto · Stanislaus County | — | — |
| Mercado Construction INC | Meno Mercado-Monico | — | (209) 230 8302 | GC, remodel, ADU | Ceres · Stanislaus County | — | — |
| Mercado Vacuum Pros INC | Romero Ezequiel Mercado | — | (209) 569 3232 | Other | Modesto · Stanislaus County | — | — |
| Merit Floor Care | Merit Floor Care | — | (209) 484 8388 | Other | Oakdale · Stanislaus County | — | — |
| Merit General Construction INC | Zachary Jose Michael Magana | — | (209) 281 8203 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Metal Pro Building Solutions | Olide Octavio Montes | sebastian@aldusleaf.org | (209) 204 3730 | Other | Waterford · Stanislaus County | — | — |
| Metworks Roofing And Sheet Metal LLC | Zaragoza Guerrero Eduardo | — | (510) 706 0022 | Other roofers | Modesto · Stanislaus County | — | — |
| Meyer Electric INC | Ronald Dale Jr Meyer | meyelect@ruraltel.net | (785) 675-8553 | Electricians | Oakdale · Stanislaus County | — | — |
| Meyer Electrical Services | Ronald Dale Jr Meyer | — | (209) 417 9267 | Electricians | La Grange · Stanislaus County | — | — |
| Mf Electric | Fuentes Miguel | — | (209) 303 4028 | Electricians | Newman · Stanislaus County | — | — |
| Mf Plumbing INC | Michael Thomas Russell | — | (209) 900 7451 | Other | Modesto · Stanislaus County | — | — |
| Mg Five Stars Plastering LLC | Marco Antonio Garibay-mendoza | — | (510) 258 4989 | Other | Turlock · Stanislaus County | — | — |