| Mike Carey Const | Mike Carey Const | — | (530) 533 2165 | GC, remodel, ADU | Oroville · Butte County | — | — |
| Mike Crew Construction | Michael David Crew | — | (530) 513 2951 | GC, remodel, ADU | Stirling City · Butte County | — | — |
| Mike Gorman Construction | Michael Paul Gorman | wweeiihhuuaanngg@gmail.com | (530) 864 5309 | GC, remodel, ADU | Chico · Butte County | — | — |
| Mike Gunther Industries | Michael Joseph Gunther | — | (530) 873 3665 | Other | Magalia · Butte County | — | — |
| Mike K Vidauri | Mike K Vidauri | — | (530) 624 5772 | GC, remodel, ADU | Chico · Butte County | — | — |
| Mike Klobas Excavating | Mike Klobas Excavating | — | (530) 624 0249 | Other | Oroville · Butte County | — | — |
| Mike Lang Construction | Michael Ejner Lang | — | (530) 342 2010 | GC, remodel, ADU | Chico · Butte County | — | — |
| Mike Mc Culley Construction General Partnership | Michael Ejner Lang | — | (530) 566 9445 | GC, remodel, ADU | Chico · Butte County | — | — |
| Mike Richard | Mike Richard | — | (530) 520 5498 | GC, remodel, ADU | Chico · Butte County | — | — |
| Mike Samuelson Painting | Mike Samuelson Painting | — | (707) 975 2980 | Windows, patio, painters | Chico · Butte County | — | — |
| Mike White | Mike White | — | (530) 521 7438 | GC, remodel, ADU | Magalia · Butte County | — | — |
| Mike Young Construction | Michael Anthony Young | — | (530) 893 8541 | GC, remodel, ADU | Forest Ranch · Butte County | — | — |
| Mike's Fencing Co | Carrio Mike | — | (530) 624 9824 | Other | Chico · Butte County | — | — |
| Mikes Yard Care | Mikes Yard Care | — | (530) 638 5469 | Windows, patio, painters | Chico · Butte County | — | — |
| Miller Construction | Brandon James Miller | — | (530) 570 2478 | GC, remodel, ADU | Durham · Butte County | — | — |
| Miller Glass INC | Mitchell Floyd Miller | info@millerglass.com | (530) 343 7934 | Windows, patio, painters | Chico · Butte County | — | — |
| Miller's Painting | Miller's Painting | — | (530) 519 3533 | Windows, patio, painters | Forest Ranch · Butte County | — | — |
| Millers Construction | Alvin Lynn Miller | — | (530) 990 1852 | GC, remodel, ADU | Bangor · Butte County | — | — |
| Milligan Construction | Randy Richard Milligan | slate@milliganconstruction.com | (530) 557 5428 | GC, remodel, ADU | Clipper Mills · Butte County | — | — |
| Minto Construction | James D Minto | — | (530) 520 2126 | GC, remodel, ADU | Durham · Butte County | — | — |
| Mission Electrical | Jeffrey Douglass Smith | — | (916) 837 5000 | Electricians | Oroville · Butte County | — | — |
| Modern Building Clark / Sullivan Construction Joint Venture | & Sullivan Builders INC Clark | — | (530) 891 4533 | GC, remodel, ADU | Chico · Butte County | — | — |
| Modern Building INC | Jeanne W Pickering | — | (530) 891 4533 | GC, remodel, ADU | Chico · Butte County | — | — |
| Modern Color Painting | Miguelangel Perez | — | (530) 815 8720 | Windows, patio, painters | Chico · Butte County | — | — |
| Modern Sundt A Joint Venture | Construction INC Sundt | — | (530) 891 4533 | GC, remodel, ADU | Chico · Butte County | — | — |
| Moe's Plumbing | Moe's Plumbing | — | (530) 891 1151 | Other | Chico · Butte County | — | — |
| Moore Construction | Millard Keith Jr Moore | — | (530) 632 2822 | GC, remodel, ADU | Chico · Butte County | — | — |
| Moore Fencing INC | Earl John Moore | — | (530) 894 0100 | Other | Chico · Butte County | — | — |
| Moore Flooring | Moore Flooring | estimating@mooreflooring.com | (530) 864 9158 | Other | Oroville · Butte County | — | — |
| Moore Heating And Air Conditioning | Moore Heating And Air Conditioning | — | (530) 521 5563 | HVAC | Chico · Butte County | — | — |
| Moore Landscape Management | Moore Landscape Management | — | (530) 570 3867 | Windows, patio, painters | Durham · Butte County | — | — |
| Moreland Construction INC | Edward Ryan Moreland | — | (530) 588 4259 | GC, remodel, ADU | Chico · Butte County | — | — |
| Morgan Ridge Construction INC | Trevor James Thomas | — | (530) 828 2595 | GC, remodel, ADU | Durham · Butte County | — | — |
| Morgan Tree Service | James Leonard Will Morgan | — | (530) 321 5899 | Tree | Oroville · Butte County | — | — |
| Morris Construction Co | Edward Robert Morris | — | (530) 624 3763 | GC, remodel, ADU | Chico · Butte County | — | — |
| Morris Masonry INC | James Doyle Morris | jdmorrismasonry@gmail.com | (530) 636 0603 | Other | Oroville · Butte County | — | — |
| Moss Ag INC | Jon David Moss | — | (530) 682 2914 | Other | Gridley · Butte County | — | — |
| Mow Bros Usa | Mow Bros Usa | — | (530) 886 9600 | Windows, patio, painters | Chico · Butte County | — | — |
| Mt Custom Appliance Installation LLC | Myles Ashley Thompson | — | (530) 403 8882 | Other | Oroville · Butte County | — | — |
| Mt Shasta Millworks | Mt Shasta Millworks | mtshastamillworks@gmail.com | (530) 624 2277 | Other | Chico · Butte County | — | — |