| Ben's Lock & Key | Bennie Ray Castillo | — | (909) 528 8361 | Other | Redlands · San Bernardino County | — | — |
| Benchmark Construction | Marcel Varga Barton-Sabo | — | (949) 330 0373 | GC, remodel, ADU | Rancho Cucamonga · San Bernardino County | — | — |
| Benchmark Contracting | Benjamin Allen Feenstra | — | (909) 583 3792 | GC, remodel, ADU | Mentone · San Bernardino County | — | — |
| Benco Concrete Services INC | Benitez Graciela Corona | — | (840) 241 8907 | Other | Bloomington · San Bernardino County | — | — |
| Bender Sign Company INC | Matthew Alan Bender | — | (909) 295 2363 | Other | Yucaipa · San Bernardino County | — | — |
| Benitez Stainless Steel Corp | Jesus Alberto Benitez | — | (909) 331 1109 | Other | San Bernardino · San Bernardino County | — | — |
| Benjamin Arron Wood | Benjamin Arron Wood | — | (661) 886 6528 | Other | Angelus Oaks · San Bernardino County | — | — |
| Benjamin John Parillo | Benjamin John Parillo | — | (310) 283 3473 | GC, remodel, ADU | Yucca Valley · San Bernardino County | — | — |
| Benji's Plumbing | Benji's Plumbing | — | (760) 288 1393 | Other | Yucca Valley · San Bernardino County | — | — |
| Bennett Excavation INC | Sean Eric Bennett | bennettexcavation@gmail.com | (909) 338 2609 | Other | Crestline · San Bernardino County | — | — |
| Benton Construction | Dean Howard Benton | — | (909) 338 1685 | GC, remodel, ADU | Crestline · San Bernardino County | — | — |
| Bentson Landscape LLC | Andrew Ezekiel Bentson | andrew@bentsonlandscape.com | (909) 480 9477 | Windows, patio, painters | Upland · San Bernardino County | — | — |
| Benway Construction | Charles Ray Benway | — | (909) 327 8846 | Electricians | Redlands · San Bernardino County | — | — |
| Benzor Construction INC | Daniel Paul Benzor Reninger | — | (951) 478 3094 | Electricians | Yucaipa · San Bernardino County | — | — |
| Berakah Construction | Ivan Jonathan Angelina | — | (714) 804 2586 | GC, remodel, ADU | Apple Valley · San Bernardino County | — | — |
| Bergkamp Electrical INC DBA Pro Circuit Electrical | Lance Anthony Bergkamp | — | (760) 486 0608 | Electricians | Newberry Springs · San Bernardino County | — | — |
| Bergstrom Construction INC | Michael Arthur Bergstrom | — | (760) 949 8865 | GC, remodel, ADU | Hesperia · San Bernardino County | — | — |
| Beristain Electric LLC | Jonathan Mizael Sr Beristain Fuentes | — | (949) 619 9702 | Electricians | Fontana · San Bernardino County | — | — |
| Berk Building And Development | Bradley Keith Wilson | — | (760) 217 8022 | GC, remodel, ADU | Hesperia · San Bernardino County | — | — |
| Bern Construction Group INC | Guadalupe Arreola | — | (951) 440 7709 | GC, remodel, ADU | Chino · San Bernardino County | — | — |
| Berna's Masonry | Berna's Masonry | — | (909) 770 0845 | Other | Fontana · San Bernardino County | — | — |
| Bernal Painting | Bernal Painting | — | (909) 528 6113 | Windows, patio, painters | Big Bear City · San Bernardino County | — | — |
| Bernal's Plumbing | Bernal's Plumbing | — | (310) 630 9545 | Other | San Bernardino · San Bernardino County | — | — |
| Bernard Castro | Bernard Castro | — | (951) 236 3812 | Other | Grand Terrace · San Bernardino County | — | — |
| Bernard Murphy General Contractor | Bernard Murphy General Contractor | — | (760) 244 6311 | GC, remodel, ADU | Oak Hills · San Bernardino County | — | — |
| Bernardo Getz Trigueros | Bernardo Getz Trigueros | — | (562) 447 7941 | Windows, patio, painters | Victorville · San Bernardino County | — | — |
| Bernatzke Const Co | Kurt William Bernatzke | — | (909) 239 1146 | GC, remodel, ADU | Cucamonga · San Bernardino County | — | — |
| Berumen Windows And Doors Inc. | Berumen Windows And Doors Inc. | — | (909) 366-9995 | Windows, patio, painters | San Bernardino · San Bernardino County | — | — |
| Best Bet Roofing | Juan Miguel Gutierrez | — | (760) 694 3075 | Other roofers | Apple Valley · San Bernardino County | — | — |
| Best Building Services INC | Hector Alexander Molina | interested@domainmarket.com | (310) 877 5855 | GC, remodel, ADU | Upland · San Bernardino County | — | — |
| Best Cabinets & Design | Best Cabinets & Design | — | (909) 553 7230 | Other | Crestline · San Bernardino County | — | — |
| Best Choice Building & Developing | Jose Enrique Barraza | — | (626) 242 6156 | GC, remodel, ADU | Ontario · San Bernardino County | — | — |
| Best Choice Painting Co | Moon Soo Paik | — | (909) 770 3372 | Windows, patio, painters | Fontana · San Bernardino County | — | — |
| Best Choice Painting Co | Danny Inchul Paik | — | (909) 322 1904 | Windows, patio, painters | Fontana · San Bernardino County | — | — |
| Best Coast HVAC | Best Coast HVAC | — | (626) 421 2381 | HVAC | Upland · San Bernardino County | — | — |
| Best Construction | Alejandro Barrios-Ramirez | get-info@best-construction.com | (714) 791 2456 | GC, remodel, ADU | Hesperia · San Bernardino County | — | — |
| Best Deal Shutters & Blinds | Best Deal Shutters & Blinds | — | (877) 578 1101 | Other | Ontario · San Bernardino County | — | — |
| Best Drilling And Pump INC | Dean Alan Garcia | — | (951) 684 1952 | Other | Colton · San Bernardino County | — | — |
| Best Electric And Air | Angel Ramon Coronado | — | (909) 510 1370 | HVAC | Montclair · San Bernardino County | — | — |
| Best Fence Company | Charmaine Lynn Alexander Barnes | — | (760) 947 7565 | Other | Hesperia · San Bernardino County | — | — |