| Bricker Enterprises INC | Bricker Jay | — | (909) 747 0862 | GC, remodel, ADU | Yucaipa · San Bernardino County | — | — |
| Brickley Construction | Shane Paul Brickley | — | (909) 888 2010 | GC, remodel, ADU | San Bernardino · San Bernardino County | — | — |
| Brickley Construction | Timothy James Brickley | — | (951) 295 0085 | GC, remodel, ADU | San Bernardino · San Bernardino County | — | — |
| Brickley Environmental | Sean Paul Brickley | — | (909) 888 2010 | Other roofers | San Bernardino · San Bernardino County | — | — |
| Bridge Fence INC | Cynthia Dianne Bridge | info@bridgefence.com | (760) 948 7671 | Other | Oak Hills · San Bernardino County | — | — |
| Bridge General Construction INC | Joel Puente | jbridgeconstruction56@gmail.com | (562) 662 2166 | GC, remodel, ADU | Oak Hills · San Bernardino County | — | — |
| Bridge Town Electric LLC | Mathew Edward Pippin | — | (909) 600 1848 | Electricians | Fontana · San Bernardino County | — | — |
| Bridgerock Construction INC | Austin David Henig | — | (951) 531 3007 | Electricians | Chino · San Bernardino County | — | — |
| Bridgewater Engineering INC | Christopher Ross Bridgewater | — | (909) 213 3931 | Other | Yucaipa · San Bernardino County | — | — |
| Bridgewater Equipment INC | Lonnie David Bridgewater | services@bridgewaterequipment.com | (909) 887 0052 | Other | San Bernardino · San Bernardino County | — | — |
| Bright Bulbs Electric Co INC | Melvin F Caballero Ruballo | info@brightbulbselectric.com | (909) 912 5000 | Electricians | Upland · San Bernardino County | — | — |
| Bright Eye Pool Service | Arciniega Arnold | — | (909) 266 6762 | Pool | Ontario · San Bernardino County | — | — |
| Bright Painting | Bright Painting | — | (951) 204 2928 | Windows, patio, painters | Fontana · San Bernardino County | — | — |
| Bright Star Construction | Damian Trinidad Lara | — | (909) 996 5398 | GC, remodel, ADU | San Bernardino · San Bernardino County | — | — |
| Bright Star General Construction | Venegas Efrain Flores | — | (949) 354 9084 | GC, remodel, ADU | Rialto · San Bernardino County | — | — |
| Bright Underground Workz | Bright Underground Workz | — | (626) 704 9400 | Other | Fontana · San Bernardino County | — | — |
| Brighter Days Heating And Cooling LLC | Justyn Michael Ramirez | — | (909) 312 6004 | HVAC | Yucaipa · San Bernardino County | — | — |
| Brighter Days Plumbing | Brighter Days Plumbing | mbgibbons82@gmail.com | (760) 867 5639 | Other | Barstow · San Bernardino County | — | — |
| Brilliant Building Group | Bowen Hu | — | (840) 234 2249 | GC, remodel, ADU | Ontario · San Bernardino County | — | — |
| Brinton's Plumbing | Brinton's Plumbing | — | (909) 519 7188 | Other | San Bernardino · San Bernardino County | — | — |
| Briones Frp & Stainless INC | Salvador Jr Briones | — | (626) 806 9089 | Other | Oak Hills · San Bernardino County | — | — |
| Briscoe Enterprises INC | Michelle Renee Briscoe | — | (909) 981 7091 | Windows, patio, painters | Upland · San Bernardino County | — | — |
| Briseno Fences Company | Lorenzo J Briseno | — | (909) 904 6790 | Other | San Bernardino · San Bernardino County | — | — |
| Bristol Omega | George Melnikov Zacky | info@bristolomega.com | (909) 794 6862 | GC, remodel, ADU | Mentone · San Bernardino County | — | — |
| Bristol Omega INC | Ralf George Zacky | info@bristolomega.com | (909) 794 6862 | GC, remodel, ADU | Mentone · San Bernardino County | — | — |
| Brite Terrazzo | Brite Terrazzo | — | (909) 372 9000 | Other | Apple Valley · San Bernardino County | — | — |
| Briz Engineering | Seth Byron Brisbin | — | (951) 490 2996 | Other | Redlands · San Bernardino County | — | — |
| Bronson Investments INC | Bryce Bronson Brown | — | (909) 890 5544 | Other | San Bernardino · San Bernardino County | — | — |
| Brooks Earthworks | Brooks Earthworks | — | (760) 459 9235 | Other | Twentynine Palms · San Bernardino County | — | — |
| Brooks Plumbing INC | Gregory Lee Brooks | — | (909) 576 8644 | Other | Highland · San Bernardino County | — | — |
| Brooksher Industries INC | Chelsea Marie Brooksher | — | (760) 244 8180 | HVAC | Hesperia · San Bernardino County | — | — |
| Brother Construction | Han Chunyan | — | (626) 320 0260 | GC, remodel, ADU | Rancho Cucamonga · San Bernardino County | — | — |
| Brother's Painting Construction | Jose Carmen Soto Guadarrama | — | (909) 916 1559 | Windows, patio, painters | Sugarloaf · San Bernardino County | — | — |
| Brother's Restoration | Andrew James Douglass | office@brothersrestoration.com | (909) 402 1324 | GC, remodel, ADU | Redlands · San Bernardino County | — | — |
| Brothers Plumbing Services Incorporated | Nathaneal Timothy Norton | — | (626) 203 7286 | GC, remodel, ADU | Running Springs · San Bernardino County | — | — |
| Browly Do | Browly Do | — | (909) 427 8891 | GC, remodel, ADU | Rialto · San Bernardino County | — | — |
| Brown Construction And Development | Eugene Antonio Brown | — | (877) 470 9655 | GC, remodel, ADU | Rancho Cucamonga · San Bernardino County | — | — |
| Brown Gold Plumbing | Brown Gold Plumbing | — | (442) 454 8759 | Other | Yucca Valley · San Bernardino County | — | — |
| Brown Painting | Brown Painting | — | (209) 747 0426 | Windows, patio, painters | Highland · San Bernardino County | — | — |
| Brownbridge Construction | Jonathan David Brownbridge | — | (909) 518 7020 | GC, remodel, ADU | San Bernardino · San Bernardino County | — | — |