| Cody Capitol LLC | Vincent Gerard Tripp | — | (408) 921 8025 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Conspec Incorporated | Jeffrey Philip Hansen | — | (760) 647 6346 | GC, remodel, ADU | Lee Vining · Mono County | — | — |
| Correct Connections | Correct Connections | russ@correctconnections.com | (760) 937 5646 | Other | Mammoth Lakes · Mono County | — | — |
| Cortes Construction & Remodeling INC | James Frederic Lowrey | — | (760) 965 9960 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Cottrell Enterprises INC | Colin Richard Cottrell | — | (760) 934 3453 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Country Glass INC | Taylor A Tomasini | — | (760) 934 3587 | Windows, patio, painters | Mammoth Lakes · Mono County | — | — |
| Crafts Htg | Crafts Htg | — | (760) 934 8866 | HVAC | Mammoth Lakes · Mono County | — | — |
| D & J Roofing INC | Jerry Albert Bourelle | — | (760) 935 4633 | Other roofers | Mammoth Lakes · Mono County | — | — |
| D M Johnson Construction INC | Derrick Michael Johnson | — | (760) 914 2446 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Daniel C Whitmore Builders INC | Daniel Crane Whitmore | — | (760) 937 2089 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Daniel Curletto Construction | Daniel Cody Curletto | — | (925) 915 5550 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Dave Rich Construction | David Alan Rich | — | (760) 937 2859 | GC, remodel, ADU | Crowley Lake · Mono County | — | — |
| Davis Wes Construction | Wesley Lowell Davis | — | (760) 937 2765 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Day Enterprises INC | Ronald Clyde Day | info@dayenterprises.com | (760) 934 3931 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Dean Alexander Construction INC | Dean David Alexander | — | (760) 937 0456 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Deanna L. Lantieri INC | Deanna Lee Lantieri | — | (760) 709 6581 | Electricians | Mammoth Lakes · Mono County | — | — |
| Delfino Carrillo Alcantar | Delfino Carrillo Alcantar | — | (760) 937 7520 | Other | Mammoth Lakes · Mono County | — | — |
| Domaille Construction/electric | Dennis Courtney Domaille | — | (760) 914 0492 | Electricians | Mammoth Lakes · Mono County | — | — |
| Duff & Sons INC | Grant Kelly Ii Duff | — | (559) 731 8948 | Electricians | Mammoth Lakes · Mono County | — | — |
| Dwyer Construction | James Patrick Dwyer | — | (760) 914 2724 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Eagle Vision Construction | Juan Matias Cervantes-Rosales | — | (760) 965 6384 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Eastern Sierra Construction | Miles Jacob Robinson | — | (775) 450 2788 | GC, remodel, ADU | Coleville · Mono County | — | — |
| Eastern Sierra Door Co | Evan Christopher Taylor | — | (760) 965 9165 | Other | Mammoth Lakes · Mono County | — | — |
| Eastern Sierra Spa & Awning INC DBA Mammoth Spa Creations | Damon Albert Conover | — | (760) 924 3091 | Pool | Mammoth Lakes · Mono County | — | — |
| Eastern Sierra Timberline Construction | David Ruben Bloom | — | (760) 574 3100 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Eilts Construction | John-Kirby Edward Eilts | — | (760) 937 0596 | GC, remodel, ADU | Lee Vining · Mono County | — | — |
| Eldred Construction | Robert Lee Eldred | — | (808) 647 0919 | GC, remodel, ADU | June Lake · Mono County | — | — |
| Elliott Electric | William Michael Elliott | william@elliott-electric.com | (760) 709 6171 | Electricians | Mammoth Lakes · Mono County | — | — |
| Enright Construction | Gregory Francis Enright | — | (760) 937 2287 | GC, remodel, ADU | Crowley Lake · Mono County | — | — |
| Erny Extreme General Builder | Erny Extreme General Builder | — | (760) 937 7522 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Escoto Construction & Design INC | Eduardo Estabon Escoto | — | (760) 914 0124 | GC, remodel, ADU | June Lake · Mono County | — | — |
| Fast And Fair Plumbing | Fast And Fair Plumbing | — | (760) 914 0670 | Other | Mammoth Lakes · Mono County | — | — |
| Felkel Construction INC | Robert Michael Felkel | — | (760) 937 0518 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Ferguson Construction | Russel Craig Ferguson | — | (760) 937 8339 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| Four Point Painting INC | Jim Frances Wells | — | (760) 934 4437 | Windows, patio, painters | Mammoth Lakes · Mono County | — | — |
| Francisco J Ayala Masonry | Francisco J Ayala Masonry | — | (760) 709 2038 | Other | Mammoth Lakes · Mono County | — | — |
| Freeman Roofing INC | Michael Cessna Freeman | — | (760) 934 7857 | Other roofers | Mammoth Lakes · Mono County | — | — |
| Frontier Property Management & Sales | Frontier Property Management & Sales | info@frontierone.com | (209) 533-9966 | Property managers | Sonora · Mono County | — | — |
| G C Forest Products INC | Gregory Allan Cook | — | (760) 934 7392 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |
| G Galvan Construction | Galvan Flores Gustavo | — | (760) 914 1676 | GC, remodel, ADU | Mammoth Lakes · Mono County | — | — |