| Vrod Civil Group | Steven Rodriguez | — | (916) 997 7053 | Other | West Sacramento · Yolo County | — | — |
| Vss International INC | Matthew Kane Ferguson | — | (916) 373 1500 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Vss International INC DBA Vss Emultech | Diane Marie Hardie | — | (916) 373 1500 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| W F Mattos Construction Co | William Frank Mattos | — | (916) 531 1080 | Windows, patio, painters | West Sacramento · Yolo County | — | — |
| W M D Construction | Warren Michael Ducioame | — | (530) 794 6106 | GC, remodel, ADU | Winters · Yolo County | — | — |
| W N S Construction | Wayne Neil Sax | — | (707) 624 0882 | GC, remodel, ADU | Capay · Yolo County | — | — |
| Wade's Const Co | Melvin Wade Cowan | — | (530) 795 4323 | GC, remodel, ADU | Winters · Yolo County | — | — |
| Wallace Safe & Lock Co INC | Derick Steven Wallace | — | (530) 666 2454 | Other | Woodland · Yolo County | — | — |
| Warren Fong | Warren Fong | — | (916) 508 9890 | Electricians | West Sacramento · Yolo County | — | — |
| Warren's Water Truck Service | Lorin Frank Warren | — | (530) 681 1300 | Other | Winters · Yolo County | — | — |
| Wdld Water Heater Plumbing LLC | Anthony Charles Martinez | — | (916) 501 7108 | Other | Woodland · Yolo County | — | — |
| Welltec | Alexander Harald Bleile | receptiondk@welltec.com | (916) 532 4528 | Other | Woodland · Yolo County | — | — |
| West Village Concrete INC | Gonzalez Hernandez Fermin | westvillageconcrete@gmail.com | (916) 868 8222 | Other | West Sacramento · Yolo County | — | — |
| Western Bainoona Group Construction LLC | Hector Rosario Lopez | — | (530) 354 3452 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Western Landscape INC | James Andrew Berry | — | (916) 375 8873 | Windows, patio, painters | West Sacramento · Yolo County | — | — |
| Whistling Builder | Whistling Builder | — | (530) 554 6340 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Whitmore Plumbing | Whitmore Plumbing | — | (916) 718 0227 | Other | West Sacramento · Yolo County | — | — |
| Wild West Painting & Texturing | Wild West Painting & Texturing | — | (530) 756 8188 | Windows, patio, painters | Davis · Yolo County | — | — |
| Wildlife Pest Control Yolo County | Wildlife Pest Control Yolo County | — | (530) 746-0876 | Pest, tile roofs | Woodland · Yolo County | — | — |
| Will Pro Construction INC | Will Steven Pro | will@willproconstruction.com | (530) 867 5650 | GC, remodel, ADU | Winters · Yolo County | — | — |
| William Oberholtzer's Custom Furniture And Cabinetry | William Davis Oberholtzer | — | (530) 219 3717 | Other | Davis · Yolo County | — | — |
| Williams Construction Company | James Donald Williams | — | (530) 681 9682 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Window World Of Sacramento | Window World Of Sacramento | greatersacramento@windowworld.com | (916) 706-2335 | Windows, patio, painters | Sacramento · Yolo County | — | — |
| Winters Plumbing Service | Garrett Tomas Garcia | — | (707) 373 8721 | Other | Winters · Yolo County | — | — |
| Winters Tree Service | Martin Hernandez | — | (530) 312 9142 | Tree | Winters · Yolo County | — | — |
| Wired And Wireless Low Voltage | Wired And Wireless Low Voltage | — | (916) 662 5737 | Other | West Sacramento · Yolo County | — | — |
| Wisterman Electric | Justin Timothy Wisterman | wistermanelectric@outlook.com | (530) 681 1483 | Electricians | Woodland · Yolo County | — | — |
| Woltmon Painting | Woltmon Painting | — | (530) 383 9515 | Windows, patio, painters | Woodland · Yolo County | — | — |
| Woodland & Davis Garage Door INC | Ashley Amen Moreland | — | (530) 666 7952 | Other | Woodland · Yolo County | — | — |
| Woodland Electrical Enterprises INC | Arriaga Joel | — | (530) 867 3740 | Electricians | Woodland · Yolo County | — | — |
| Woodland Heating & Air Conditioning INC | Andrew Wayne Hanson | — | (530) 666 4905 | HVAC | Woodland · Yolo County | — | — |
| Woodland Tree Service INC | Denis Omar Arita Paz | — | (715) 892-0027 | Tree | Woodland · Yolo County | — | — |
| Woodland Welding Works | Franco Felix | — | (530) 666 5531 | Other | Woodland · Yolo County | — | — |
| Woodland-Davis Termite & Pest Control | Woodland-Davis Termite & Pest Control | — | (530) 662-1234 | Pest, tile roofs | Woodland · Yolo County | — | — |
| Woodsmiths Architectural Case Work And Millwork INC | Eric Runyon Smith | — | (916) 456 8871 | Other | West Sacramento · Yolo County | — | — |
| Work Horse Construction INC | John Philip Snow | — | (916) 616 0162 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Wp Home Construction | Walker Lee Perry | — | (530) 681 1292 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Wreed Construction | Wiley Garrett Reed | — | (530) 341 6761 | GC, remodel, ADU | Winters · Yolo County | — | — |
| Yaroslav Vasylyk | Yaroslav Vasylyk | — | (916) 633 8411 | Other | West Sacramento · Yolo County | — | — |
| Yma Builders | Yma Builders | — | (800) 976-8604 | GC, remodel, ADU | Encino · Yolo County | — | — |