| Mattingly Electrical | William Bradford Mattingly | mattinglyelectrical@gmail.com | (530) 200 5283 | Electricians | Red Bluff · Tehama County | — | — |
| Mattingly's Concrete | Mattingly's Concrete | — | (530) 200 5283 | Other | Red Bluff · Tehama County | — | — |
| Mayfield Insulation Incorporated | Kendell Forice Mayfield | — | (530) 529 5050 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Mccarthy Contracting INC DBA Mccarthy Custom Welding | Ty Elliot Mccarthy | — | (530) 200 0449 | Other | Red Bluff · Tehama County | — | — |
| Medina's Mobile Home Services INC | Felipe Casas Olivo | — | (530) 395 9704 | Other | Red Bluff · Tehama County | — | — |
| Memo's Plumbing INC | Mendoza Guillermo Figueroa | — | (661) 303 5290 | Other | Corning · Tehama County | — | — |
| Mhi Construction | Luis Alberto Garcia | — | (530) 519 0163 | GC, remodel, ADU | Corning · Tehama County | — | — |
| Michael Cleary Construction | Michael Alan Cleary | — | (530) 527 8205 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Michael D Fredrickson DBA Fine Finishes | Fine Finishes | — | (530) 824 2700 | Windows, patio, painters | Corning · Tehama County | — | — |
| Michael Giuntini | Michael Giuntini | — | (530) 327 8294 | Other | Los Molinos · Tehama County | — | — |
| Mike Clark Construction | David Michael Clark | — | (530) 586 0780 | GC, remodel, ADU | Los Molinos · Tehama County | — | — |
| Mm Hernandez Roofing Corp | Mm Hernandez Roofing Corp | — | (530) 691-6276 | Other roofers | Shingletown · Tehama County | — | — |
| Mojave Electric | Larry David Jr Chain | — | (530) 528 0433 | Electricians | Red Bluff · Tehama County | — | — |
| Montes Tree Services | Jose Montes | — | (530) 966 8560 | Tree | Corning · Tehama County | — | — |
| Mr Bore INC | Michael Paul Lefanto | — | (530) 519 4343 | Other | Corning · Tehama County | — | — |
| Narrow Path Excavating General Engineering | Narrow Path Excavating General Engineering | — | (530) 838 8775 | Other | Corning · Tehama County | — | — |
| Neighbors Heating And Air LLC | Jaren Lloyd Wagenman-Lavrar | — | (530) 780 8631 | HVAC | Red Bluff · Tehama County | — | — |
| Nl Builders INC | Jason Mark Saunders | — | (530) 949 5421 | Other | Red Bluff · Tehama County | — | — |
| Non-typical Construction | Brandon Joseph Murry | — | (530) 781 2062 | GC, remodel, ADU | Tehama · Tehama County | — | — |
| Nor-Cal Tree And Stump | Nor-Cal Tree And Stump | — | (530) 209-6881 | Tree | Corning · Tehama County | — | — |
| Norcal Electric And Pump Works | Peter Yair Gal | — | (530) 521 7553 | HVAC | Los Molinos · Tehama County | — | — |
| Norcal Home Repair | Norcal Home Repair | — | (530) 624 1716 | GC, remodel, ADU | Gerber · Tehama County | — | — |
| North Edge Fencing INC | Bryce Wayne Linder | — | (530) 526 8552 | Other | Red Bluff · Tehama County | — | — |
| North State Blinds & Draperies INC | Paul Walter Stubbs | — | (530) 527 0842 | Other | Red Bluff · Tehama County | — | — |
| North State Cool And Pool Service | Marc Edward Lucero | — | (530) 351 3762 | HVAC | Red Bluff · Tehama County | — | — |
| North State Hrm | North State Hrm | — | (530) 840 7913 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| North Valley Cleaning | North Valley Cleaning | northvalleycleaning1@yahoo.com | (530) 384 2577 | Other | Los Molinos · Tehama County | — | — |
| O'coy & Sons Equipment | O'coy & Sons Equipment | — | (530) 941 2680 | Other | Red Bluff · Tehama County | — | — |
| Oak Cove Builders | Oak Cove Builders | — | (530) 727 7123 | GC, remodel, ADU | Tehama · Tehama County | — | — |
| Olive City Construction | Isaac Jose Soto | — | (530) 526 5245 | GC, remodel, ADU | Corning · Tehama County | — | — |
| On Point Construction | Clifton Adam Murphy | — | (530) 315 7736 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Outback Contractors INC | Raymond Henry Mueller | — | (530) 528 2225 | Electricians | Red Bluff · Tehama County | — | — |
| Outback Utilities INC | Brent Nathaniel Bunting | — | (530) 528 2224 | Other | Red Bluff · Tehama County | — | — |
| Pacific Data Connection | Pacific Data Connection | — | (530) 917 0067 | Other | Los Molinos · Tehama County | — | — |
| Paint By Blake | Paint By Blake | — | (760) 732-3950 | Windows, patio, painters | Vista · Tehama County | — | — |
| Park Planet | Cynthia Lynn Cooper | — | (530) 244 6116 | Other | Red Bluff · Tehama County | — | — |
| Parker Landscaping | Parker Landscaping | — | (530) 736 0645 | Windows, patio, painters | Red Bluff · Tehama County | — | — |
| Patterson Electric INC | John Arthur Patterson | — | (530) 824 1023 | Electricians | Corning · Tehama County | — | — |
| Paul Crabtree Contractor | Paul Crabtree Contractor | — | (530) 474 5156 | GC, remodel, ADU | Manton · Tehama County | — | — |
| Paul Dotson Painting | Paul Dotson Painting | — | (530) 529 9255 | Windows, patio, painters | Red Bluff · Tehama County | — | — |