| Sergio Adame Landscaping | Sergio Adame Landscaping | — | (530) 673 5943 | Windows, patio, painters | Sutter · Sutter County | — | — |
| Shaun Kevin Meyer | Shaun Kevin Meyer | — | (530) 315 7390 | Electricians | Yuba City · Sutter County | — | — |
| Shelton Communications | Shelton Communications | — | (916) 208 4898 | Other | Yuba City · Sutter County | — | — |
| Shoreline Electric | Aaron Michael Price | info@shoreline-electric.com | (619) 201 1368 | Electricians | Live Oak · Sutter County | — | — |
| Shutter Up Window Coverings INC | Maurice Leo Jr Leblanc | — | (530) 755 3474 | Other | Yuba City · Sutter County | — | — |
| Sierra Building Supply & Contractors INC | Norma Ann Hembree | — | (530) 674 7628 | GC, remodel, ADU | Yuba City · Sutter County | — | — |
| Sierra Excavating LLC | Juan Manuel Sanchez | — | (530) 329 1901 | Other | Yuba City · Sutter County | — | — |
| Sierra Nevada Forestry Service LLC | Marisa Ann Acevedo | — | (530) 673 1525 | Tree | Yuba City · Sutter County | — | — |
| Sign Solutions | Sign Solutions | — | (530) 329 1263 | Electricians | Yuba City · Sutter County | — | — |
| Singh Plumbing | Singh Plumbing | hello@rfuenzalida.com | (530) 844 3698 | Other | Yuba City · Sutter County | — | — |
| Smart Systems Technologies | Smart Systems Technologies | — | (800) 679-4778 | Alarm and generators | Irvine · Sutter County | — | — |
| Smith Plumbing | Smith Plumbing | — | (530) 682 0375 | Other | Yuba City · Sutter County | — | — |
| Solid Stone And Tile INC | Jarred Michael Raym Thomas | — | (530) 455 1708 | Other | Sutter · Sutter County | — | — |
| Solorio's Concrete | Solorio's Concrete | david@soloriosconcrete.com | (530) 315 7817 | Other | Yuba City · Sutter County | — | — |
| Specialized Cabinetry | Specialized Cabinetry | — | (530) 821 3636 | Other | Yuba City · Sutter County | — | — |
| Stephen Purpura Const | Stephen Purpura Const | — | (530) 870 2077 | GC, remodel, ADU | Live Oak · Sutter County | — | — |
| Steven Moroni Construction | Steven Thomas Moroni | — | (530) 682 1110 | Other | Yuba City · Sutter County | — | — |
| Stewart Electrical Solutions | Scott Mckenzie Stewart | — | (530) 978 2181 | Electricians | Yuba City · Sutter County | — | — |
| Suchil Concrete | Suchil Concrete | — | (530) 329 1808 | Other | Yuba City · Sutter County | — | — |
| Summer Roofing INC | Summer Roofing INC | info@summerroofinginc.com | (760) 571-1040 | Other roofers | San Marcos · Sutter County | — | — |
| Sunburst Shutters Shades & Blinds San Diego | Sunburst Shutters Shades & Blinds San Diego | sandiego@sunburstshutters.com | (760) 405-8887 | Windows, patio, painters | San Marcos · Sutter County | — | — |
| Sunlight Energy INC | Villanueva Luis | — | (530) 300 2333 | Electricians | Yuba City · Sutter County | — | — |
| Sunset Landscape Services Co | Nicholas James Nero | — | (530) 701 8482 | Windows, patio, painters | Yuba City · Sutter County | — | — |
| Superior Concrete Flatwork - Hscp INC | Rudy Ayala Ceja | — | (530) 682 4991 | Other | Yuba City · Sutter County | — | — |
| Sutter Buttes Communications INC | Theodore Paul Herman | — | (530) 673 3475 | Other | Yuba City · Sutter County | — | — |
| Sutter Buttes Electric | Sutter Buttes Electric | jeff@sutterbutteselectric.com | — | Electricians | Sutter · Sutter County | — | — |
| Sutter Electric | Terry Lee Malone | — | (530) 673 8943 | Electricians | Yuba City · Sutter County | — | — |
| Sutter Roofing | Sutter Roofing | — | (800) 741-0090 | Other roofers | Sutter · Sutter County | — | — |
| Sutter Roofing Systems | Sutter Roofing Systems | cameron@sutterroofingsystems.com | (707) 338-1264 | Other roofers | Santa Rosa · Sutter County | — | — |
| Taylor Concrete Construction INC | Aaron Thomas Taylor | — | (530) 870 6131 | Other | Live Oak · Sutter County | — | — |
| Tec-com Low Voltage Solutions INC | Todd Lee Shelton | — | (530) 751 2155 | Other | Yuba City · Sutter County | — | — |
| Technique Communications | Technique Communications | — | (530) 671 3220 | Other | Yuba City · Sutter County | — | — |
| Telcom Data | Telcom Data | — | (530) 674 2590 | Other | Yuba City · Sutter County | — | — |
| Telstar Electric | Kyle Louis Shelton | — | (916) 416 0102 | Electricians | Yuba City · Sutter County | — | — |
| Teyes Landscaping INC | Baltazar Espinoza Teyes | — | (530) 671 8318 | Windows, patio, painters | Yuba City · Sutter County | — | — |
| The Fence Guys | The Fence Guys | — | (530) 845 0940 | Other | Yuba City · Sutter County | — | — |
| The Groundskeeper Landscaping | The Groundskeeper Landscaping | — | (530) 870 7655 | Windows, patio, painters | Yuba City · Sutter County | — | — |
| The Handy Man Services INC | Jorge Jr Vasquez | support@handyman-home.com | (530) 237 9398 | GC, remodel, ADU | Yuba City · Sutter County | — | — |
| The Magic Of Wood | The Magic Of Wood | — | (530) 673 4813 | Other | Yuba City · Sutter County | — | — |
| The Phone Smith INC | Hugh Erle Smith | — | (530) 673 8350 | Other | Yuba City · Sutter County | — | — |