| Mandelik Plumbing INC | Nikolaus Gene Mandelik | — | (916) 257 7663 | Other | Lincoln · Placer County | — | — |
| Mang Builders | Mang Builders | — | (916) 276 2193 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Mangold's Installation Services Of Cabinetry Trim & Flooring | Lee Anthony Mangold | — | (530) 277 3013 | Other | Newcastle · Placer County | — | — |
| Mangus Construction LLC | Collin James Mangus | — | (530) 403 3132 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Mansour M Aliabadi | Mansour M Aliabadi | — | (916) 749 2100 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Mansuetti Construction Incorporated | Lance Aaron Mansuetti | — | (530) 913 2524 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Mantell Masonry Construction INC | Douglas Jay Mantell | — | (916) 660 0211 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Manufacturers Lighting Solutions INC | Wesley John Owsley | — | (916) 425 9788 | Electricians | Roseville · Placer County | — | — |
| Marc Pohley And Associates General Building Contractor | Marc Gregory Pohley | — | (530) 305 1950 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Marco Development | Marco Development | — | (530) 615 8615 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Marcus Hawks Construction | Marcus James Hawks | — | (916) 521 4356 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Marin Construction | Jose Arturo Sr Marin Guerrero | johnfraser52@gmail.com | (916) 600 1837 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Mario Sousa Concrete Contracting | Mario Manuel Sousa | — | (916) 715 2786 | Other | Lincoln · Placer County | — | — |
| Marjama INC | Wendy Lee Rickards | — | (530) 519 1001 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Mark A Hilker Construction | Mark Anthony Hilker | — | (530) 448 4159 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| Mark Butler Construction | Mark Alan Butler | mb.const@yahoo.com | (916) 521 8055 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Mark Cormier Painting | Mark Cormier Painting | — | (916) 521 3585 | Windows, patio, painters | Roseville · Placer County | — | — |
| Mark Deveny | Mark Deveny | — | (916) 316 6967 | Windows, patio, painters | Rocklin · Placer County | — | — |
| Mark Gentry | Mark Gentry | — | (530) 906 1690 | Electricians | Meadow Vista · Placer County | — | — |
| Mark Horn | Mark Horn | — | (775) 771 5601 | Other | Kings Beach · Placer County | — | — |
| Mark K Miller Painting & Decorating | Mark Kelsey Miller | — | (916) 257 4571 | Windows, patio, painters | Loomis · Placer County | — | — |
| Mark Knorr Construction | Mark Douglas Knorr | — | (916) 801 0744 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Mark Maldonado Construction | Mark Anthony Maldonado | — | (916) 790 4675 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Mark Neumann & Sons | Mark Neumann & Sons | — | (916) 847 1017 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Mark Pando | Mark Pando | — | (916) 412 2157 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Mark Ragan Construction | Mark James Ragan | — | (530) 583 3447 | Other | Tahoe City · Placer County | — | — |
| Mark Shade Construction | Mark Thomas Shade | — | (530) 587 9136 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| Mark Smith | Mark Smith | — | (772) 834 0011 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Mark Sweeden Construction | Mark Leroy Sweeden | — | (916) 624 5553 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Mark Wallace Masonry | Mark Wallace Masonry | — | (530) 885 7852 | Other | Auburn · Placer County | — | — |
| Mark Zubenko Plmg | Mark Zubenko Plmg | — | (916) 402 7404 | Other | Newcastle · Placer County | — | — |
| Mark's Ornamental Iron Works | Mark's Ornamental Iron Works | — | (530) 269 2287 | Other | Auburn · Placer County | — | — |
| Marksman Builders INC | Mark W Mansfield | — | (530) 885 7300 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Markus Burkhart Construction INC | Markus Christian Burkhart | — | (530) 581 4949 | GC, remodel, ADU | Olympic Valley · Placer County | — | — |
| Markus Construction | Peter Andrew Jr Markus | — | (530) 718 8942 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Marlin Wells Seamless Rain Gutters | Marlin Wells Seamless Rain Gutters | — | (916) 410 0599 | Other | Meadow Vista · Placer County | — | — |
| Marques General Engineering INC A California Corporation | Jason Ryan Anderson | — | (916) 923 3434 | Other | Roseville · Placer County | — | — |
| Marrell Painting | Marrell Painting | — | (916) 846 5265 | Windows, patio, painters | Lincoln · Placer County | — | — |
| Mars Builder Solutions | Richard Francis Blair | — | (916) 259 4034 | Electricians | Rocklin · Placer County | — | — |
| Mars Energy Roofing LLC | Wesley Paul Mayer | — | (760) 497 9246 | Other roofers | Rocklin · Placer County | — | — |