| All Structural Movers | All Structural Movers | — | (408) 998 0868 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Allscapes | Robert Gene Overcash | — | (831) 637 0978 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Alnas Construction | Rion Ross Alnas | — | (831) 801 3112 | GC, remodel, ADU | San Juan Bautista · San Benito County | — | — |
| Alpha Tech Plumbing INC | Dorado David | — | (831) 636 4642 | Other | Hollister · San Benito County | — | — |
| Alta-cal Roofing | John Scott Roach | — | (831) 600 6768 | Other roofers | Hollister · San Benito County | — | — |
| Alvarez Elite Welding | Alvarez Elite Welding | — | (831) 245 7366 | Other | Hollister · San Benito County | — | — |
| Ament Construction | John Thomas Ament | — | (831) 265 9992 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| American Building Expert | American Building Expert | — | (408) 207 3055 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| American Painting | Jose Humberto Amezcua Sosa | — | (408) 802 3753 | Windows, patio, painters | Hollister · San Benito County | — | — |
| American Plumbing Solutions & Waterworks | Omar Everardo Elizarraraz | — | (831) 801 4676 | Other | Hollister · San Benito County | — | — |
| American Prestige Plumbing Corp | Elizarraraz Daniel Santoyo | — | (669) 239 5555 | Other | Hollister · San Benito County | — | — |
| Amperage Electrical INC | Erwin Jose Gomez Puerta | — | (831) 524 5663 | Electricians | Hollister · San Benito County | — | — |
| Ampup | Ampup | — | (760) 585-5196 | EV chargers | Carlsbad · San Benito County | — | — |
| Anchor Pacific Property Management | Anchor Pacific Property Management | — | (619) 432-6025 | Property managers | Solana Beach · San Benito County | — | — |
| Andalusian Builders INC | Marysol Lua Lujano | — | (408) 843 7443 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Andrew Neubauer | Andrew Neubauer | — | (408) 804 8091 | GC, remodel, ADU | San Juan Bautista · San Benito County | — | — |
| Applied Landscape Solutions | Applied Landscape Solutions | — | (831) 750 5154 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Arauzconstcal | Arauzconstcal | — | (760) 534-8334 | Restoration | Palm Desert · San Benito County | — | — |
| Arias Remodeling | Arias Remodeling | — | (408) 430 9089 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Arriaga's Builders INC | Jose Manuel Arriaga Chavez | — | (831) 524 5372 | GC, remodel, ADU | San Juan Bautista · San Benito County | — | — |
| Arrow Electric INC | Mark Alan Poling | — | (408) 846 6647 | Electricians | Hollister · San Benito County | — | — |
| Art Correa Construction INC DBA California Construction Company | Arthur Jr Correa | — | (831) 636 8922 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Artistic Landscaping | Artistic Landscaping | — | (408) 836 3541 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Arturo's Painting | Arturo's Painting | — | (831) 638 2118 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Assurance Roofing Co | Martinez-martinez Emanuel | — | (408) 460 1876 | Other roofers | Hollister · San Benito County | — | — |
| Avila Plumbing And Heating Services | Gonzalez Cayetano Avila | — | (408) 466 2247 | HVAC | Hollister · San Benito County | — | — |
| Avtech Construction INC | Scott Jason Perry | — | (831) 637 7798 | Electricians | Hollister · San Benito County | — | — |
| Aze Electrical LLC | Armando Espinoza | azeelectric05@gmail.com | (831) 537 8963 | Electricians | Hollister · San Benito County | — | — |
| Aztec Heating And Air INC | Juventino Rodriguez | — | (831) 801 6262 | HVAC | Hollister · San Benito County | — | — |
| Azure Pacific Concrete Construction | Filohivalu Fifita Tu Avao | — | (831) 877 0079 | Other | Hollister · San Benito County | — | — |
| B B C Bad Boy Construction | John Jr Sanchez | — | (831) 750 0844 | GC, remodel, ADU | San Juan Bautista · San Benito County | — | — |
| B S B Construction | Balraj Singh Brar | — | (831) 636 2727 | Other roofers | Hollister · San Benito County | — | — |
| Barlows Pest Control | Barlows Pest Control | — | (760) 535-4279 | Pest, tile roofs | Encinitas · San Benito County | — | — |
| Bay Area Green Trails Landscaping | Hernandez David Ortiz | — | (831) 537 3933 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Bay Climate Mechanical Group INC | Francisco Jr De Alba | — | (408) 784 8258 | HVAC | Hollister · San Benito County | — | — |
| Bella Terra Concrete & Waterfalls INC | Raul Sr Ureno Ureno | — | (408) 903 6109 | Other | Hollister · San Benito County | — | — |
| Beltran's Construction | Jorge Jr Beltran | — | (831) 240 1717 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Ben Reid Construction | Benjamin Paul Reid | — | (831) 905 8121 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Benchmark Steel INC | Enrique Moreno Guajardo | info@benchmark.ae | (831) 635 0200 | Other | Hollister · San Benito County | — | — |
| Bjg Construction | Brody James Garcia | — | (831) 222 0465 | Electricians | Hollister · San Benito County | — | — |