| Mc Gehee Paving Incorporated | Howard Alan Mc Gehee | — | (209) 531 8385 | Other | Escalon · San Joaquin County | — | — |
| Mc Laughlin Air Conditioning Co | Robert Dennis Leal | — | (209) 465 5300 | HVAC | Stockton · San Joaquin County | — | — |
| Mc Master Construction | Patrick Andrew Mc Master | — | (209) 688 8027 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Mcdc Low Voltage Systems | Malachi Jacob Cisneroz | — | (408) 228 2284 | Other | Stockton · San Joaquin County | — | — |
| Mcdonald Demolition INC | Dennis Charles Mc Donald | — | (209) 838 2960 | Other | Escalon · San Joaquin County | — | — |
| Mceachron Construction INC DBA Mceachron Homes Lodi Remodel | Luke Andrew Mceachron | — | (209) 327 0669 | GC, remodel, ADU | Lodi · San Joaquin County | — | — |
| Mcentire Construction | Jack Walton Jr Mc Entire | — | (209) 481 2702 | GC, remodel, ADU | Lockeford · San Joaquin County | — | — |
| Mcfadden Construction INC | Kurt Thomas Mc Fadden | — | (209) 658 4194 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Mcintyre & Son's | Mcintyre & Son's | — | (209) 481 5230 | GC, remodel, ADU | Manteca · San Joaquin County | — | — |
| Mclachlan Construction | William Anthony Iii Mclachlan | — | (209) 403 0644 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Md Cabinets | Md Cabinets | — | (209) 200 6837 | Other | Lodi · San Joaquin County | — | — |
| Meadow Landscaping | Meadow Landscaping | — | (209) 649 2530 | Windows, patio, painters | Stockton · San Joaquin County | — | — |
| Mears Heating And Air | Mears Heating And Air | — | (209) 361 8280 | HVAC | Acampo · San Joaquin County | — | — |
| Mechanical Analysis/repair INC | Robert Emmett Delemos | — | (209) 333 8478 | Electricians | Lodi · San Joaquin County | — | — |
| Mechanical Solutions Company INC | Joseph Neal Lapham | hj@mechanicalsolutions.com | (209) 237 8594 | HVAC | Stockton · San Joaquin County | — | — |
| Medel Air Pro Heating & Air | Mario Zendejas Medel | — | (209) 815 7674 | HVAC | Lathrop · San Joaquin County | — | — |
| Medina Heating Plumbing And Cooling | Medina Heating Plumbing And Cooling | — | (408) 449 6521 | HVAC | Tracy · San Joaquin County | — | — |
| Medina's Landscaping | Medina's Landscaping | — | (209) 552 9746 | Windows, patio, painters | Escalon · San Joaquin County | — | — |
| Meehan Landscaping INC | Allen Ferrier Leland Meehan | — | (209) 570 8527 | Windows, patio, painters | Acampo · San Joaquin County | — | — |
| Meehleis Modular Buildings INC | David Glenn Stewart | — | (209) 334 4637 | GC, remodel, ADU | Lodi · San Joaquin County | — | — |
| Mega Fence | Raul Jimenez | — | (916) 320 9795 | Other | Thornton · San Joaquin County | — | — |
| Mejia's Tile | Mejia's Tile | — | (209) 621 9823 | Other | Victor · San Joaquin County | — | — |
| Melo Construction INC | John Nunes Melo | — | (209) 835 7314 | GC, remodel, ADU | Tracy · San Joaquin County | — | — |
| Melvin Ratto | Melvin Ratto | — | (209) 481 2977 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Mendoza Electrical Services | Nestor Daniel Mendoza | — | (209) 298 4369 | Electricians | Stockton · San Joaquin County | — | — |
| Mendoza's Drywall Repair | Mendoza's Drywall Repair | — | (209) 992 6275 | Other | Lodi · San Joaquin County | — | — |
| Mep De Luna Construction INC | Rafael Manuel Deluna Rodriguez | — | (209) 688 6722 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Mercenary Steel Placers | Mercenary Steel Placers | — | (209) 640 3146 | Other | Manteca · San Joaquin County | — | — |
| Mervin J Fetzer | Mervin J Fetzer | — | (209) 327 1902 | Other | Woodbridge · San Joaquin County | — | — |
| Mestayer Painting | Mestayer Painting | — | (209) 607 3818 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Mettler Construction | David Timothy Mettler | — | (209) 327 6197 | GC, remodel, ADU | Lodi · San Joaquin County | — | — |
| Metzger Construction | Kim Christ Metzger | — | (209) 481 2565 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Mexi-cali Painting INC | Lugo Alejandro Alamilla | — | (510) 672 5735 | Windows, patio, painters | Lodi · San Joaquin County | — | — |
| Meza Construction INC | Thome Misael Meza | — | (209) 403 0600 | GC, remodel, ADU | Lodi · San Joaquin County | — | — |
| Meza Environmental INC | Tereso Resendez Meza | — | (209) 244 8846 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Mga Electrical Contractors | Manuel Gonzales Alonzo | — | (209) 298 1020 | Electricians | Stockton · San Joaquin County | — | — |
| Mgm Custom Construction INC | Gutierrez Fernandez Gerardo | — | (510) 965 3638 | GC, remodel, ADU | Ripon · San Joaquin County | — | — |
| Mh Electrical Services | Hernandez Moises | mickhelectrical@outlook.com | (209) 518 8981 | Electricians | Stockton · San Joaquin County | — | — |
| Mha Rdr LLC | Home America LLC Mitsui | — | (209) 636 6320 | GC, remodel, ADU | Lodi · San Joaquin County | — | — |
| Michael & Sons Construction INC | Miguel Angel Jimenez | — | (925) 699 6668 | GC, remodel, ADU | Tracy · San Joaquin County | — | — |