| Brian Edward De Forge | Brian Edward De Forge | — | (951) 534 7144 | GC, remodel, ADU | Beaumont · Riverside County | — | — |
| Brian Foster Residences LLC | Charles Wallace Dennett | — | (760) 537 5068 | GC, remodel, ADU | Palm Springs · Riverside County | — | — |
| Brian Gordon Miller | Brian Gordon Miller | briangordonmiller@gmail.com | (818) 388 6538 | Windows, patio, painters | Indio · Riverside County | — | — |
| Brian Joel Amaya | Brian Joel Amaya | — | (909) 485 3157 | Electricians | Riverside · Riverside County | — | — |
| Brian Joshua Parry DBA Vip Security Systems | Vip Security Systems | — | (909) 534 1388 | Alarm and generators | Beaumont · Riverside County | — | — |
| Brian K Latchford | Brian K Latchford | — | (951) 600 7764 | Other roofers | Murrieta · Riverside County | — | — |
| Brian K Stemmer Construction | Brian Keith Stemmer | — | (760) 819 5476 | GC, remodel, ADU | Palm Desert · Riverside County | — | — |
| Brian Kennedy Construction | Brian Ray Kennedy | — | (909) 721 4350 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Brian L Yeager | Brian L Yeager | — | (909) 824 3867 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Brian Michaelson Moreno | Brian Michaelson Moreno | — | (951) 776 2818 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Brian P West | Brian P West | — | (949) 742 0600 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Brian S Fogg | Brian S Fogg | — | (760) 861 9293 | HVAC | Cathedral City · Riverside County | — | — |
| Brian Smith Development INC | Brian Wade Smith | — | (951) 333 1526 | GC, remodel, ADU | Homeland · Riverside County | — | — |
| Brian Thompson | Brian Thompson | — | (951) 780 3701 | Electricians | Riverside · Riverside County | — | — |
| Brian W Orr | Brian W Orr | — | (760) 360 6632 | GC, remodel, ADU | Palm Desert · Riverside County | — | — |
| Brian Westlake Landscape INC | Brian James Westlake | — | (760) 250 2924 | Windows, patio, painters | La Quinta · Riverside County | — | — |
| Brickstride Builders | Brickstride Builders | — | (760) 791 7472 | GC, remodel, ADU | Palm Desert · Riverside County | — | — |
| Bridgeview Construction Services INC | Troy David Juve | — | (949) 408 3900 | Other | Temecula · Riverside County | — | — |
| Briggs Brothers Construction INC | Stephen Timothy Briggs | — | (916) 834 8689 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Bright Concepts Pool & Spa INC | Rene Saldana Leon | — | (909) 991 9306 | Pool | Beaumont · Riverside County | — | — |
| Bright Start Landscaping INC | Benito Vega | — | (714) 393 8122 | Windows, patio, painters | San Jacinto · Riverside County | — | — |
| Brightline Striping | Brightline Striping | — | (951) 515 8974 | Other | Norco · Riverside County | — | — |
| Brightside Heating & Air | Jeffrey James Korbett | — | (951) 287 7499 | HVAC | Wildomar · Riverside County | — | — |
| Brilliance Pool & Spa Service | Scott Darryl Goodwin | — | (951) 768 0024 | Pool | Corona · Riverside County | — | — |
| Brilliant Power Solutions INC | Anthony William Chamberlain | — | (909) 583 1885 | Electricians | Beaumont · Riverside County | — | — |
| Brimel | Joseph Brian | — | (562) 716 5666 | Other | Menifee · Riverside County | — | — |
| Brinks Construction | Gary Joseph Brinks | — | (951) 314 6664 | GC, remodel, ADU | Menifee · Riverside County | — | — |
| Brinovin Plumbing & Backflow LLC | Danny Garcia | — | (951) 250 7743 | Other | Riverside · Riverside County | — | — |
| Briones Construction INC | Briones Pedro | — | (760) 902 1908 | Electricians | Desert Hot Springs · Riverside County | — | — |
| Brisas Air Conditioning INC | Jose Manuel Jr Rodriguez | — | (760) 342 4365 | HVAC | Indio · Riverside County | — | — |
| Brisco Underground INC | Thomas Paul Brisco | — | (951) 780 3401 | Other | Riverside · Riverside County | — | — |
| Briteway Builders | Juan Rayo | — | (949) 531 2897 | GC, remodel, ADU | Moreno Valley · Riverside County | — | — |
| Brito Electric INC | Brito Alonso | — | (951) 334 3694 | Electricians | Mira Loma · Riverside County | — | — |
| Brm Electric | Alvarez Gonzalo Berrum | — | (714) 415 8602 | Electricians | Riverside · Riverside County | — | — |
| Brock Electric Socal | Robert Moughan Brock | contact@brockelectricsocal.com | (951) 634 2529 | Electricians | Menifee · Riverside County | — | — |
| Brock Landscape INC | Jeffrey Brian Brock | — | (760) 272 7862 | Windows, patio, painters | Palm Desert · Riverside County | — | — |
| Brockman Air & Services | Andrew Michael Brockman | — | (949) 705 7419 | HVAC | Palm Desert · Riverside County | — | — |
| Brode Enterprises LLC | David John Brode | — | (951) 376 0933 | Other | Lake Elsinore · Riverside County | — | — |
| Broder Painting Company | Jose Carlos Quintana | — | (650) 674 8700 | GC, remodel, ADU | Desert Hot Springs · Riverside County | — | — |
| Bronco Construction | Michael Arnul Quinn | — | (951) 274 9555 | GC, remodel, ADU | Norco · Riverside County | — | — |