| Mike Whitney Painting | Mike Whitney Painting | — | (530) 517 0849 | Windows, patio, painters | Elk Creek · Glenn County | — | — |
| Miller Tile | Daniel Christopher Miller | interested@domainmarket.com | (530) 519 7510 | Other | Glenn · Glenn County | — | — |
| Mim Roofing | Iniguez Mendoza Moises | — | (530) 517 2955 | Other roofers | Willows · Glenn County | — | — |
| Mirande Construction | Matthew Martin Mirande | — | (530) 517 0811 | GC, remodel, ADU | Willows · Glenn County | — | — |
| Morehouse Air Conditioning Service | Bennett Craig Morehouse | — | (530) 865 9100 | HVAC | Orland · Glenn County | — | — |
| Mosley Electric | Frank James Mosley | — | (707) 326 6730 | Electricians | Orland · Glenn County | — | — |
| Myers Construction | Dale Wayne Myers | — | (530) 624 3455 | Other | Willows · Glenn County | — | — |
| Navitsky Construction | Wade Vincent Navitsky | — | (530) 693 7913 | GC, remodel, ADU | Glenn · Glenn County | — | — |
| Newgen Restoration | Newgen Restoration | — | (951) 445-9698 | Restoration | Fallbrook · Glenn County | — | — |
| Nick Beglinger Landscaping | Nick Beglinger Landscaping | — | (530) 864 5780 | Windows, patio, painters | Orland · Glenn County | — | — |
| Norcal Septic Gen Ptr | Edward Jason Vonasek | — | (530) 865 2721 | Other | Orland · Glenn County | — | — |
| North State Air Conditioning | North State Air Conditioning | — | (530) 519 7877 | HVAC | Willows · Glenn County | — | — |
| Offset General Contractor | Offset General Contractor | — | (808) 238 9825 | Other | Willows · Glenn County | — | — |
| Orland Cabinet Shop INC | Ronald Elmer Stubbs | — | (530) 865 3256 | Other | Orland · Glenn County | — | — |
| Pacheco Backhoe Service | Anthony Michael Pacheco | — | (530) 517 0755 | Other | Willows · Glenn County | — | — |
| Parker Construction | John Wedeking Parker | — | (530) 228 3628 | GC, remodel, ADU | Orland · Glenn County | — | — |
| Paz Construction INC | Gilberto Alanis Santos | amkryukov@gmail.com | (530) 586 1545 | GC, remodel, ADU | Willows · Glenn County | — | — |
| Peninsula Construction Company | Peninsula Construction Company | info@peninsulaconstructionco.com | (650) 459-5613 | GC, remodel, ADU | San Carlos · Glenn County | — | — |
| Pestgon | Pestgon | service@pestgon.com | (877) 724-8100 | Pest, tile roofs | Oceanside · Glenn County | — | — |
| Pete Parker Construction | Pete Bodie Parker | — | (530) 520 3679 | GC, remodel, ADU | Artois · Glenn County | — | — |
| Pierce Concrete | Pierce Concrete | — | (530) 521 0290 | Other | Hamilton City · Glenn County | — | — |
| Platinum Build & Construction | Leonel Netzahualcot Romero Gonzalez | — | (530) 755 7037 | GC, remodel, ADU | Orland · Glenn County | — | — |
| Precision Concrete | Precision Concrete | contactus@precisionconcrete.com | (530) 864 9268 | Other | Orland · Glenn County | — | — |
| R B Construction | Brambila Rafael | — | (510) 493 3471 | GC, remodel, ADU | Orland · Glenn County | — | — |
| R J Painting & Decorating | R J Painting & Decorating | — | (530) 520 1345 | Windows, patio, painters | Orland · Glenn County | — | — |
| R R R Construction | Lazaro Antonio Hernandez | — | (530) 345 9646 | Other roofers | Orland · Glenn County | — | — |
| R-n-a Floor Covering | R-n-a Floor Covering | — | (530) 519 9331 | Other | Orland · Glenn County | — | — |
| Rackley Company INC | Scott Rackley | — | (530) 865 9619 | Other roofers | Orland · Glenn County | — | — |
| Rain-flo Metal Gutters LLC | Alexandro Escobar | — | (530) 685 0936 | Other | Willows · Glenn County | — | — |
| Ramsey's Glass | Ramsey's Glass | — | (530) 934 3217 | Windows, patio, painters | Willows · Glenn County | — | — |
| Ranch - Cal Excavating | Ranch - Cal Excavating | — | (530) 906 3850 | Other | Orland · Glenn County | — | — |
| Rancho Electric | Jack Elliott | — | (530) 228 9585 | Electricians | Orland · Glenn County | — | — |
| Richards Plumbing | Richards Plumbing | — | (530) 864 4879 | Other | Willows · Glenn County | — | — |
| Rick Enos Construction | Ricky Henry Enos | — | (530) 330 2398 | GC, remodel, ADU | Glenn · Glenn County | — | — |
| Robert Burt Engineering | Robert Burt Engineering | — | (530) 521 2302 | Other | Willows · Glenn County | — | — |
| Robert White | Robert White | whiteinstruments@gmail.com | (530) 865 3859 | Other roofers | Orland · Glenn County | — | — |
| Rossi Painting & Construction | Rossi Painting & Construction | — | (650) 595-6700 | Windows, patio, painters | San Carlos · Glenn County | — | — |
| Ryan Crook Septic Service | Ryan Lee Crook | — | (530) 228 1062 | Other | Orland · Glenn County | — | — |
| Scanlon Realty Management INC | Scanlon Realty Management INC | michaelscanlon43@gmail.com | (760) 994-0681 | Property managers | Carlsbad · Glenn County | — | — |
| Schmeltzer Construction | Joseph Murdock Schmeltzer | — | (530) 624 3545 | GC, remodel, ADU | Orland · Glenn County | — | — |