| Vo Trang | Vo Trang | — | (510) 685 9326 | GC, remodel, ADU | Manteca · San Joaquin County | — | — |
| Voltage Ventures LLC | Jared Paul Enos | — | (209) 954 8335 | Electricians | Stockton · San Joaquin County | — | — |
| Voral Construction | Kirk Daniel Voral | — | (209) 495 9037 | GC, remodel, ADU | Escalon · San Joaquin County | — | — |
| Vrc Affiliates | Corey Gene Townley | — | (408) 931 0841 | Other roofers | Ripon · San Joaquin County | — | — |
| Vs Electric | Vernon Edward Shaw | — | (209) 403 1001 | Electricians | Manteca · San Joaquin County | — | — |
| Vsp Construction | Vince Samuel Panetta | — | (209) 831 3707 | Windows, patio, painters | Tracy · San Joaquin County | — | — |
| Vvv Industries LLC | Vincent Douglas Vant Voort | — | (209) 484 6090 | GC, remodel, ADU | Ripon · San Joaquin County | — | — |
| W C Maloney LLC | Robert Michael Kay | — | (209) 942 1129 | Other | Stockton · San Joaquin County | — | — |
| W D Gardening | W D Gardening | — | (209) 599 3773 | Windows, patio, painters | Ripon · San Joaquin County | — | — |
| W D Gate Systems INC | Steven Clark Norris | — | (209) 951 4445 | Other | Stockton · San Joaquin County | — | — |
| W I P | Stephen Roy Wiseman | — | (209) 339 8518 | Other | Lodi · San Joaquin County | — | — |
| W P S Construction | William Phil Swearingen | — | (209) 367 8677 | GC, remodel, ADU | Lodi · San Joaquin County | — | — |
| W2w Cabinet & Millwork Installations | W2w Cabinet & Millwork Installations | — | (209) 696 0163 | Windows, patio, painters | Stockton · San Joaquin County | — | — |
| Wadco Trenching Service | Scott David Weeks | — | (209) 824 2485 | Other | Manteca · San Joaquin County | — | — |
| Wadlow Tile | Wadlow Tile | — | (209) 334 5121 | Other | Lodi · San Joaquin County | — | — |
| Wagner Mechanical INC | Jeffrey William Wagner | — | (209) 463 0193 | HVAC | Linden · San Joaquin County | — | — |
| Walis Plumbing | Walis Plumbing | — | (510) 307 6213 | Other | Tracy · San Joaquin County | — | — |
| Walker Floors | Walker Floors | walkerfloors@hotmail.com | (209) 727 3352 | Other | Clements · San Joaquin County | — | — |
| Wall To Wall Cabinets And Trim | Hector Teodoro Madriz | — | (209) 603 1546 | Other | Stockton · San Joaquin County | — | — |
| Walter H Shoup Well Drilling & Pumps | Walter H Shoup | — | (209) 329 0322 | Other | Acampo · San Joaquin County | — | — |
| Walth Tile | Walth Tile | — | (209) 401 9800 | Other | Lodi · San Joaquin County | — | — |
| Walthall Construction | Darrell Glenn Walthall | — | (209) 688 1132 | Other | Stockton · San Joaquin County | — | — |
| Warrens Heating & Air Conditioning INC | Kathy Marie Warren | — | (209) 825 0682 | HVAC | Stockton · San Joaquin County | — | — |
| Watchman Surveillance Installation | Watchman Surveillance Installation | — | (209) 227 9051 | Other | Lodi · San Joaquin County | — | — |
| Water Splash Pool Plastering INC | Humberto Alejandro Dominguez | — | (209) 712 0600 | Other | Lodi · San Joaquin County | — | — |
| Watts Electrical Services LLC | Watts Daniel | — | (209) 616 4480 | Electricians | Stockton · San Joaquin County | — | — |
| Wayne's Floor Coverings | Wayne's Floor Coverings | — | (209) 327 9734 | Other | Lodi · San Joaquin County | — | — |
| Wdf Electric | Wilfredo Diaz Funez | — | (209) 679 0684 | Electricians | French Camp · San Joaquin County | — | — |
| We Paint & Renovate INC | Jason Rodney Gonzalez | — | (209) 993 2911 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Weather Mafi Demolition | Weather Mafi Demolition | — | (510) 690 4302 | Other | Tracy · San Joaquin County | — | — |
| Weber Company | April Brianne Morse | — | (209) 368 0703 | Other | Lodi · San Joaquin County | — | — |
| Weber Construction | Joseph Andrew Weber | — | (541) 316 3034 | GC, remodel, ADU | Escalon · San Joaquin County | — | — |
| Weber Plumbing | Weber Plumbing | — | (209) 855 5235 | Other | Ripon · San Joaquin County | — | — |
| Wedgecut General Engineering | Wedgecut General Engineering | — | (209) 707 6133 | Other | Manteca · San Joaquin County | — | — |
| West Coast Backhoe INC | Dustin Raymond Sterni | — | (209) 339 7394 | Other | Lodi · San Joaquin County | — | — |
| West Coast Cryogenics INC | Danny Silveira | — | (209) 914 6989 | Other | Tracy · San Joaquin County | — | — |
| West Coast Custom Metal Outfitters | West Coast Custom Metal Outfitters | — | (925) 493 0353 | Other | Tracy · San Joaquin County | — | — |
| West Coast Electric | Brandon Christopher Dawe | admin@westcoastcompanies.com | (209) 329 9913 | Electricians | Lodi · San Joaquin County | — | — |
| West Coast Electric | Darren Walter Hammeken | admin@westcoastcompanies.com | (209) 663 9887 | Electricians | Woodbridge · San Joaquin County | — | — |
| West Coast Exploration INC | Andrew Peter Hernandez | — | (209) 985 7541 | Other | Escalon · San Joaquin County | — | — |