| Wilson Bros INC | Kati Suzanne Wilson | — | (661) 589 4297 | Other roofers | Bakersfield · Kern County | — | — |
| Wilson Construction | Paul Michael Wilson | — | (805) 340 0135 | GC, remodel, ADU | Keene · Kern County | — | — |
| Wilson Consulting | Wilson Consulting | — | (661) 868 9409 | Other | Bakersfield · Kern County | — | — |
| Wilson Painting | Dana Louise Dostal Wilson | info@wilson-painting.com | (714) 720-5233 | Windows, patio, painters | Lake Isabella · Kern County | — | — |
| Wilson's Contracting And Construction INC | Christian Lee Wilson | — | (661) 589 4297 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Wilson's Industrial Pump INC | Michael Patrick Smaldon | — | (661) 393 8575 | Other | Bakersfield · Kern County | — | — |
| Wind Water Fire Enterprises | Ross Alan Kallenberger | — | (661) 204 8211 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Windrose Landscape | Windrose Landscape | — | (661) 754 5021 | Windows, patio, painters | Rosamond · Kern County | — | — |
| Wingles Construction INC | Blaine Curtis Wingle | — | (661) 829 4784 | Other | Bakersfield · Kern County | — | — |
| Wise Electric & Communication INC | Joshua Scott Hodges | — | (661) 395 0249 | Electricians | Bakersfield · Kern County | — | — |
| Wise Security Systems INC | Joshua Scott Hodges | — | (661) 395 0249 | Electricians | Bakersfield · Kern County | — | — |
| Wiseman Plumbing | Wiseman Plumbing | — | (661) 835 9600 | Other | Bakersfield · Kern County | — | — |
| Witcher Electric INC | Robert Kevin Witcher | — | (661) 587 7772 | Electricians | Bakersfield · Kern County | — | — |
| Wolfe Construction | Brian Travis Wolfe | wolfeconstruction@live.co.uk | (214) 585 2960 | GC, remodel, ADU | Shafter · Kern County | — | — |
| Wolfe Woodworking | Wolfe Woodworking | — | (619) 587 9382 | Other | Bakersfield · Kern County | — | — |
| Womacks Drywall | Thomas Patrick Womack | — | (661) 873 7888 | Other | Bakersfield · Kern County | — | — |
| Wood Masters Construction INC | Raymond Munoz Saldana | — | (661) 398 8322 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Wood Works Solution A | Wood Works Solution A | — | (661) 343 8916 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Woodard Electric Co | Michael Trenton Woodard | office@woodardelectric.com | (661) 703 4946 | Electricians | Bakersfield · Kern County | — | — |
| Woodrow Reynolds Construction | Woodrow Wilson Iii Reynolds | — | (760) 914 2776 | GC, remodel, ADU | Chalfant Valley · Kern County | — | — |
| Woody & Company | Uriel Mejia | — | (661) 979 8747 | Other | Bakersfield · Kern County | — | — |
| Wow Pest Control Inc. | Wow Pest Control Inc. | — | (661) 418-7378 | Pest, tile roofs | Bakersfield · Kern County | — | — |
| Wren Construction | Dakota Louis Wren | — | (661) 869 7501 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Wwci | Troy Dovovan De Montmorency | — | (661) 325 5884 | HVAC | Bakersfield · Kern County | — | — |
| Wyatt's Custom Cabinetry INC | Billy Gene Mc Combs | — | (661) 332 1946 | Other | Bakersfield · Kern County | — | — |
| Xander's Coats Specialists INC | Erick Alexander Gonzalez De La O | — | (661) 447 2432 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| Xcel Electric INC | Gary Dean Dowell | — | (661) 304 6316 | Electricians | Bakersfield · Kern County | — | — |
| Xceptional Heating & Air | Gallardo Carlos | — | (661) 808 6021 | HVAC | Bakersfield · Kern County | — | — |
| Yama Sustainable Solutions INC | Abdelrahman Mahmoud Shurbaji | — | (661) 421 2068 | Other | Bakersfield · Kern County | — | — |
| Yanno Skandaleas Greko Builders | Yanno Skandaleas Greko Builders | — | (661) 399 9550 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Yarbrough Constrution INC | Ricky Lee Yarbrough | — | (661) 477 2759 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Yates Air Conditioning & Heating | Yates Air Conditioning & Heating | — | (661) 393 6466 | HVAC | Bakersfield · Kern County | — | — |
| Yavuz Begendik | Yavuz Begendik | — | (661) 333 2327 | Other | Bakersfield · Kern County | — | — |
| Yectli Power LLC | George Jr Magallanes | contact@yectlipower.com | (661) 333 1413 | Electricians | Bakersfield · Kern County | — | — |
| Yeyo's Construction Corp | Gerardo Javier Vazquez Ramirez | yeyosconstructioncorp@gmail.com | (626) 931 0864 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Your Choice Air Conditioning & Heating | Pedro Valenzuela Aguilar | — | (661) 546 1545 | HVAC | Bakersfield · Kern County | — | — |
| Yukon Fence Co | Joseph William Rudnick | — | (661) 325 2900 | Other | Bakersfield · Kern County | — | — |
| Z & K Electric Corp | Katherine Penelope Gomez | — | (562) 787 5639 | Electricians | Rosamond · Kern County | — | — |
| Z K Electric | Zachary Lane Hamilton | — | (661) 472 2352 | Electricians | Tehachapi · Kern County | — | — |
| Z Z Renovations & Construction | Gabriel Brent Mangunay | — | (661) 748 2842 | GC, remodel, ADU | Bakersfield · Kern County | — | — |