| Webb And Son Landscape INC | Rick Lynn Webb | — | (818) 324 1112 | Windows, patio, painters | Rosamond · Kern County | — | — |
| Webb Electric Company | Jeramy Evan Webb | — | (714) 553 0011 | Electricians | Bakersfield · Kern County | — | — |
| Webb Heating & Cooling | Webb Heating & Cooling | — | (661) 205 5745 | HVAC | Bakersfield · Kern County | — | — |
| Welding Innovator | Francisco Javier Moreno Garcia | — | (661) 342 5729 | Other | Bakersfield · Kern County | — | — |
| Welding Services Company | Romero Juan | — | (661) 204 8545 | Other | Bakersfield · Kern County | — | — |
| Well Rehabilitation Services INC | Jesse Lee Mize | — | (661) 587 0914 | Other | Bakersfield · Kern County | — | — |
| Weller Electric | Michael Wendell Weller | — | (661) 809 2874 | Electricians | Bakersfield · Kern County | — | — |
| Wells Acoustics | Wells Acoustics | — | (661) 588 0520 | Other | Bakersfield · Kern County | — | — |
| Wesley Grimshaw Construction | Wesley James Grimshaw | — | (760) 680 5309 | GC, remodel, ADU | Tehachapi · Kern County | — | — |
| West & Sons Construction | David Alan West | — | (661) 609 9911 | GC, remodel, ADU | Rosamond · Kern County | — | — |
| West Coast Blinds & Shutters | West Coast Blinds & Shutters | — | (661) 809 6186 | Other | Bakersfield · Kern County | — | — |
| West Coast Boring INC | Robert James Sanders | — | (661) 587 2673 | Other | Bakersfield · Kern County | — | — |
| West Coast Community Builders INC | Bart Alan Wallace | — | (661) 327 1436 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| West Coast Construction & Mechanical | Kal Jay Vaughn | — | (661) 432 1300 | HVAC | Taft · Kern County | — | — |
| West Coast Construction Grp | Hayden Walker Howard | — | (661) 345 7459 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| West Coast Custom Concrete | West Coast Custom Concrete | mark.t.fuentez@gmail.com | (661) 808 5317 | Other | Bakersfield · Kern County | — | — |
| West Coast Drywall Construction INC | Keith Raymond Raedy | — | (661) 588 4010 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| West Coast Electrical & Construction INC | Victor Jr Moreno | — | (661) 333 3949 | Electricians | Bakersfield · Kern County | — | — |
| West Coast Finish Carpentry Specialist | West Coast Finish Carpentry Specialist | — | (661) 377 6132 | Other | Bakersfield · Kern County | — | — |
| West Coast Woodcrafters | West Coast Woodcrafters | anapbm@gmail.com | (661) 322 4950 | Other | Bakersfield · Kern County | — | — |
| West Kern Landscaping | Jose Pablo Munoz | — | (661) 496 4673 | Windows, patio, painters | Buttonwillow · Kern County | — | — |
| Westberry Construction INC | William Lloyd Westberry | — | (661) 809 1593 | Other | Bakersfield · Kern County | — | — |
| Western Rebar | Western Rebar | — | (661) 331 2100 | Other | Bakersfield · Kern County | — | — |
| Western Scrap INC | Rene Christopher Rogers | youtoubefix@gmail.com | (661) 589 7255 | Other | Bakersfield · Kern County | — | — |
| Western Tree Care Corp | Sandy Jeanette Moran | — | (661) 862 0827 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| Westile | Wesley Howard Drake | — | (760) 384 8055 | Other | Ridgecrest · Kern County | — | — |
| Westpac Construction INC | Benjermen Franky Reyes | — | (661) 380 0413 | Other roofers | Bakersfield · Kern County | — | — |
| Westrock LLC DBA Westrock General Engineering | Garrett Jason Brown | — | (661) 218 9566 | Other | Bakersfield · Kern County | — | — |
| Wg Iron And Steel INC | Eric Robert Grundy | — | (661) 456 5805 | Other | Bakersfield · Kern County | — | — |
| White Stone Painters | Carlos Alberto Garcia Corado | — | (888) 567 2234 | Other roofers | Bakersfield · Kern County | — | — |
| Whitezell Construction INC | David Wayne Whitezell | — | (661) 213 4373 | Electricians | Bakersfield · Kern County | — | — |
| Whitton Construction | Ryan Paul Whitton | ryanwhitton@comcast.net | (661) 699 7985 | GC, remodel, ADU | Tehachapi · Kern County | — | — |
| Wilbert Design & Fabrication | Bradley Steven Wilbert | — | (661) 587 9303 | Other | Bakersfield · Kern County | — | — |
| Wildflower Climate LLC | Guillermo Ruben Mariscal | hello@wildflowerclimate.com | (661) 374 0624 | HVAC | Bakersfield · Kern County | — | — |
| Wilks Construction Co | Robert Aaron Wilks | — | (714) 608 1881 | GC, remodel, ADU | Tehachapi · Kern County | — | — |
| Will Power Solutions | Will Power Solutions | — | (661) 431 2035 | Electricians | Bakersfield · Kern County | — | — |
| William Edwards | William Edwards | info@williamedwards.net | (661) 376 3007 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| Williams Framing INC | Douglas Alan Williams | — | (661) 201 3476 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Williams Industrial Construction | Eric Scott Williams | — | (661) 300 0145 | Other | Bakersfield · Kern County | — | — |
| Willie Dickerson | Willie Dickerson | — | (661) 979 5625 | Other | Bakersfield · Kern County | — | — |