| 3:10 Timber Services | Anthony Joseph Minaldi | kingslynn@timberservices.com | (559) 580 0091 | Other | Mariposa · Mariposa County | — | — |
| 3:23 Mountain Men | Jordan Alexander Esquivel | — | (831) 220 4552 | Windows, patio, painters | Mariposa · Mariposa County | — | — |
| 5J Construction | Jeremy Stephen Ogilby | — | (209) 347 0940 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| A B C Construction | Clemons Abraham | — | (209) 617 3169 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| A G Baggett & P J Weber DBA Canyon Construction | Arthur Guy Jr Baggett | — | (916) 747 1544 | Electricians | El Portal · Mariposa County | — | — |
| A J V Heating & Cooling | Andrew James Verdugo | — | (209) 742 2085 | HVAC | Mariposa · Mariposa County | — | — |
| Aaron Hazlewood | Aaron Hazlewood | — | (415) 203 4912 | Other | Midpines · Mariposa County | — | — |
| Accell Drywall INC | Richard Strickfaden | — | (209) 742 7022 | Other | Mariposa · Mariposa County | — | — |
| Admiral Contracting INC | Jonathan Luther Bartholomew | — | (209) 769 9005 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| Airmen Heating & Cooling INC | Brandan Michael Coehlo | — | (209) 918 1870 | HVAC | Coulterville · Mariposa County | — | — |
| All Water Plumbing | All Water Plumbing | — | (530) 470 3489 | Electricians | Mariposa · Mariposa County | — | — |
| Allison-sierra INC | Steven Patrick Allison | — | (209) 966 4082 | Other | Mariposa · Mariposa County | — | — |
| Alltrade Construction Service INC | Eric Matthew Weihe | — | (805) 896 4527 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| Alpine Builders | Alpine Builders | — | (209) 742-6775 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| Always Quality Concrete | Always Quality Concrete | — | (209) 966 7771 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| Amos Excavation | Amos Excavation | — | (209) 770 5168 | Other | Coulterville · Mariposa County | — | — |
| Angle Management | Angle Management | — | (209) 628 4421 | GC, remodel, ADU | Midpines · Mariposa County | — | — |
| Anglers Construction INC | Christopher Lee Garcia | — | (209) 617 7623 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| Anthony Andrew Casner | Anthony Andrew Casner | — | (559) 580 0804 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| Aran Mounce Electric | Aran Wayne Mounce | — | (310) 490 0790 | Electricians | Mariposa · Mariposa County | — | — |
| Artifex Construction | Kevin Douglas Barry | — | (559) 474 2206 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| B & V Excavating | Vincent David Todd | — | (209) 626 6379 | Other | Mariposa · Mariposa County | — | — |
| Barry White | Barry White | — | (209) 617 6777 | Other | Mariposa · Mariposa County | — | — |
| Beaudoin Plumbing | Beaudoin Plumbing | — | (360) 689 2511 | Other | Mariposa · Mariposa County | — | — |
| Becker Construction Enterprises INC | Mark Steven Becker | — | (209) 878 0110 | GC, remodel, ADU | Coulterville · Mariposa County | — | — |
| Becks Tree Property Service | Kenette Sharon Beck | — | (209) 742 4224 | Tree | Mariposa · Mariposa County | — | — |
| Bent Nail Builders | Bent Nail Builders | — | (209) 349 2455 | GC, remodel, ADU | Coulterville · Mariposa County | — | — |
| Bio.design Pools Usa | Bio.design Pools Usa | — | (760) 420-9669 | Pool | Vista · Mariposa County | — | — |
| Black Ops Drywall INC | Elsie Beatriz Chacon | elsie@blackopsdrywall.com | (209) 233 4840 | Other | Mariposa · Mariposa County | — | — |
| Bob Gilbert's Carpet Installation | Bob Gilbert's Carpet Installation | — | (559) 389 6463 | Other | Mariposa · Mariposa County | — | — |
| Brentwood Electric | Brent Andrew Coffman | — | (209) 966 4985 | Electricians | Mariposa · Mariposa County | — | — |
| Buck Aye Masonry | Buck Aye Masonry | — | (209) 966 5283 | Other | Mariposa · Mariposa County | — | — |
| Bull Construction INC | Rodney Leon Bull | — | (209) 617 3021 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| C J Petretti Construction | Cameron Joel Petretti | — | (209) 564 6763 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| Cal-west Builders | Cal-west Builders | calwestbuilders@aol.com | (818) 999-5200 | GC, remodel, ADU | Midpines · Mariposa County | — | — |
| Cascade Western | Cascade Western | — | (209) 966 4831 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| Center Star Construction | Jason Lloyd Hansen | — | (209) 617 3880 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| Center State Construction | James Milton Fair | — | (209) 303 5529 | GC, remodel, ADU | Coulterville · Mariposa County | — | — |
| Champion Framing & Carpentry | Champion Framing & Carpentry | — | (310) 595 6829 | GC, remodel, ADU | Mariposa · Mariposa County | — | — |
| Cisneros Brothers Heating & Air | Cisneros Brothers Heating & Air | — | (760) 571-8599 | HVAC | Hesperia · Mariposa County | — | — |