| 360 Homes | 360 Homes | — | (530) 354 6613 | GC, remodel, ADU | Cromberg · Plumas County | — | — |
| A - 1 Construction | Robert Warren Vladyka | — | (925) 876 2464 | GC, remodel, ADU | Portola · Plumas County | — | — |
| Accurate Painting | Accurate Painting | — | (530) 260 2099 | Windows, patio, painters | Chester · Plumas County | — | — |
| Ackley Electric | Jesse Orion Ackley | — | (530) 616 0524 | Electricians | Meadow Valley · Plumas County | — | — |
| Ackley Engineering | Ackley Engineering | — | (530) 249 4052 | Other | Quincy · Plumas County | — | — |
| Al's Painting | Al's Painting | — | (530) 258 4889 | Windows, patio, painters | Chester · Plumas County | — | — |
| Alex Willhoit Construction | Alex Jerome Willhoit | — | (530) 258 7860 | GC, remodel, ADU | Chester · Plumas County | — | — |
| All Phase Landscape And Excavation DBA All Phase Landcape | Travis Lee Broussard | — | (530) 258 6535 | Windows, patio, painters | Chester · Plumas County | — | — |
| All Voltz Electric | Brian Andrew Gamberg | — | (530) 638 5777 | Electricians | Quincy · Plumas County | — | — |
| Alley Electric | Jordan Paul Alley | alleyelectric@comcast.net | (530) 562 7771 | Electricians | Chilcoot · Plumas County | — | — |
| Alpine Fire Services | Edward Ilmars Mitrevics | — | (530) 832 4324 | Other | Portola · Plumas County | — | — |
| Amaral Plumbing | Amaral Plumbing | — | (530) 927 7656 | Other | Portola · Plumas County | — | — |
| Art Pine Construction | Arthur Winston Pine | — | (530) 949 2545 | GC, remodel, ADU | Chester · Plumas County | — | — |
| Artifex Homes | Artifex Homes | — | (530) 386 2995 | GC, remodel, ADU | Clio · Plumas County | — | — |
| Avery's Excavation | Avery Colton Dyrr | — | (530) 394 8391 | Other | Quincy · Plumas County | — | — |
| B A Murphy Electric | Blaine Aaron Murphy | — | (408) 888 6701 | Electricians | Portola · Plumas County | — | — |
| Badger Asphalt | Badger Asphalt | — | (530) 375 7602 | Other | Greenville · Plumas County | — | — |
| Barker Construction | Justin Dennis Barker | — | (530) 283 9325 | GC, remodel, ADU | Quincy · Plumas County | — | — |
| Barone Construction | Outlaw Cody James Barone | — | (251) 300 7125 | GC, remodel, ADU | Graeagle · Plumas County | — | — |
| Bartels Construction | Ryan John Bartels | — | (530) 394 0388 | GC, remodel, ADU | Quincy · Plumas County | — | — |
| Beatty Construction INC | Michael Harold Beatty | — | (530) 283 2035 | GC, remodel, ADU | Quincy · Plumas County | — | — |
| Ben Elledge Painting | Ben Elledge Painting | — | (530) 927 7000 | Windows, patio, painters | Quincy · Plumas County | — | — |
| Bertocchi Masonry Contractors | Bertocchi William | — | (530) 283 3378 | Other | Quincy · Plumas County | — | — |
| Bill Syah Construction | William Francis Gabr Syah | milenabbrandao@gmail.com | (530) 320 5647 | GC, remodel, ADU | Cromberg · Plumas County | — | — |
| Blackburn Builders | Blackburn Builders | — | (530) 925 1884 | GC, remodel, ADU | Quincy · Plumas County | — | — |
| Boyd's Heating | Boyd's Heating | — | (530) 280 1805 | HVAC | Quincy · Plumas County | — | — |
| Brad Nisbett Tile | Brad Nisbett Tile | — | (925) 270 9257 | Other | Portola · Plumas County | — | — |
| Brennan & Sons Roofing INC | Dennis James Brennan | — | (530) 836 4744 | Other roofers | Blairsden · Plumas County | — | — |
| Brennan's Tile | Brennan's Tile | — | (530) 249 0964 | Other | Graeagle · Plumas County | — | — |
| Brian Hughes Construction | Brian Keith Hughes | — | (530) 604 0943 | GC, remodel, ADU | Quincy · Plumas County | — | — |
| Broglio Construction | Randy Joseph Broglio | — | (530) 596 3076 | GC, remodel, ADU | Chester · Plumas County | — | — |
| Brookside Construction | Roger Evans Tew | — | (530) 520 1690 | GC, remodel, ADU | Graeagle · Plumas County | — | — |
| Burkhead Construction | Ian Richard Burkhead | — | (530) 249 3031 | GC, remodel, ADU | Quincy · Plumas County | — | — |
| Buster And Sons Construction | Ken Mark Heiman | — | (530) 258 9323 | GC, remodel, ADU | Quincy · Plumas County | — | — |
| Butterfly Plumbing & Pump Co | Jeff C Ellermeyer | — | (530) 616 0848 | Other | Quincy · Plumas County | — | — |
| Butterfly Valley Design & Build | Butterfly Valley Design & Build | — | (530) 927 5051 | GC, remodel, ADU | Quincy · Plumas County | — | — |
| C B Landscap | C B Landscap | — | (530) 781 4877 | Windows, patio, painters | Chester · Plumas County | — | — |
| C Halverson Construction | Cole Christian Halverson | — | (530) 570 7245 | GC, remodel, ADU | Greenville · Plumas County | — | — |
| C Meyers Construction INC | Christian Thomas Meyers | — | (530) 592 9798 | GC, remodel, ADU | Greenville · Plumas County | — | — |
| C S T General Contractors INC | Calvin Stuart Jr Thurber | — | (530) 258 6690 | Electricians | Chester · Plumas County | — | — |