| Brian Udo | Brian Udo | — | (949) 396 6394 | Other | Irvine · Orange County | — | — |
| Brian William Smith Landscaping INC | Brian William Smith | — | (949) 422 6255 | Windows, patio, painters | San Juan Capistrano · Orange County | — | — |
| Brian's Heating And Air LLC | Brian Patrick Enell | — | (714) 943 2319 | HVAC | Orange · Orange County | — | — |
| Brian's HVAC Aircommand | Brian's HVAC Aircommand | — | (800) 994 9299 | HVAC | Huntington Beach · Orange County | — | — |
| Brian's Pool Plastering INC | Brian Alan Pickett | — | (714) 497 8675 | GC, remodel, ADU | Buena Park · Orange County | — | — |
| Brian's Tile And Natural Stone | Brian's Tile And Natural Stone | — | (714) 658 0789 | GC, remodel, ADU | Rancho Santa Margarita · Orange County | — | — |
| Bribiesca's Landscaping Co | Angel Jesus Bribiesca | — | (562) 266 7288 | Windows, patio, painters | La Habra · Orange County | — | — |
| Brickner Builders INC | Arlene Jean Brickner | — | (562) 244 8239 | GC, remodel, ADU | Buena Park · Orange County | — | — |
| Brico Builders INC | Brian Michael Mulligan | — | (714) 901 5282 | GC, remodel, ADU | Garden Grove · Orange County | — | — |
| Brico Electric | Brian Kent Chloupek | — | (714) 563 0881 | Electricians | Anaheim · Orange County | — | — |
| Bricon Commercial Contractors INC | Brian Alexander Laidlaw | — | (949) 249 6954 | GC, remodel, ADU | Laguna Niguel · Orange County | — | — |
| Bridge City Electric | Carlos Richard Meza | — | (714) 945 3701 | Electricians | Huntington Beach · Orange County | — | — |
| Bridge Flooring | Bridge Flooring | — | (657) 346 1144 | Other | Anaheim · Orange County | — | — |
| Bridges Blinds INC | Johnny Alvin Bridges | — | (714) 898 7933 | Other | Huntington Beach · Orange County | — | — |
| Bridges Filter Service INC | Jeannette Mildred Bridges | — | (714) 990 2211 | HVAC | Brea · Orange County | — | — |
| Bridgestone Building & Repair | Bridgestone Building & Repair | — | (800) 482 1822 | GC, remodel, ADU | Anaheim Hills · Orange County | — | — |
| Briggs Datacom | Todd Christopher Perry | — | (714) 544 2500 | Electricians | Tustin · Orange County | — | — |
| Briggs Electric INC | Todd Christopher Perry | info@briggselectric.com | (714) 544 2500 | Electricians | Tustin · Orange County | — | — |
| Bright Construction | Daniel Lee Bright | — | (714) 396 4221 | GC, remodel, ADU | Orange · Orange County | — | — |
| Bright Electric INC | Mark Steven Bright | — | (714) 973 2211 | Electricians | Santa Ana · Orange County | — | — |
| Bright Idea Electric INC | Todd Edward Eisenbrey | — | (949) 943 5341 | Electricians | Mission Viejo · Orange County | — | — |
| Bright Life Solar INC DBA Bright Life Remodeling | Vincenzo Salamone Barba | — | (908) 489 3933 | Other roofers | Costa Mesa · Orange County | — | — |
| Bright Summit Construction And Remodeling | Mohammadhossein Edrisi | — | (949) 299 7193 | GC, remodel, ADU | Laguna Niguel · Orange County | — | — |
| Bright Vista Landscape Construction And Maintenance | Alejandro Sanchez | — | (714) 852 9506 | Windows, patio, painters | Santa Ana · Orange County | — | — |
| Brightbill Welding INC | Thomas Aaron| Brightbill Tom Aaron Brightbill | — | (714) 749 1546 | Other | Anaheim · Orange County | — | — |
| Brightwater Heating & Air | Brightwater Heating & Air | — | (714) 316 3755 | HVAC | Huntington Beach · Orange County | — | — |
| Brightway One | Alfredo Elias Gutierrez | — | (949) 333 3877 | Other | Irvine · Orange County | — | — |
| Brikhaus Construction | Bryan Daniel Ruiz | — | (714) 277 7102 | GC, remodel, ADU | Costa Mesa · Orange County | — | — |
| Brikho Construction | General Contractors San Diego | Brikho Construction | General Contractors San Diego | — | (858) 946-5874 | GC, remodel, ADU | Spring Valley · Orange County | — | — |
| Briko Construction INC | Nikolas Anthony Celia | admin@brikoconstruction.com | (949) 995 0895 | Electricians | Dana Point · Orange County | — | — |
| Brilliant Construction | Graeme Ernest Chapman | — | (714) 330 5731 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| Bringham Company INC | Jerry M Bringham | — | (916) 955 7726 | GC, remodel, ADU | Newport Beach · Orange County | — | — |
| Brinson Kelly's Demolition And Construction Hauling | Rose Marie Kelly | — | (310) 701 2010 | Other | Buena Park · Orange County | — | — |
| Brion Scott Baker | Brion Scott Baker | — | (714) 612 1948 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| Briseno Landscape | Briseno Landscape | — | (949) 683 6273 | Windows, patio, painters | Lake Forest · Orange County | — | — |
| Bristlecone Structures INC | Theodore Eugene Mayes | — | (949) 489 0849 | Electricians | San Juan Capistrano · Orange County | — | — |
| Bristol Development & Construction Company INC | Enrique Daniel Vera | — | (909) 322 2460 | GC, remodel, ADU | San Juan Capistrano · Orange County | — | — |
| Bristolco | Kelli Ann Bristol | — | (949) 312 8855 | GC, remodel, ADU | Mission Viejo · Orange County | — | — |
| Brite Building Service INC | Seong Hee Lee | — | (562) 572 3704 | Electricians | La Habra · Orange County | — | — |
| Brito Drywall | Enrique Brito | — | (714) 719 9469 | GC, remodel, ADU | Garden Grove · Orange County | — | — |