| Sierra | Terry Wayne Plumlee | — | (559) 784 0333 | GC, remodel, ADU | Porterville · Tulare County | — | — |
| Sierra General Engineering & Hardscape | Michael Herman Hauber | — | (559) 623 4469 | Windows, patio, painters | Three Rivers · Tulare County | — | — |
| Sierra Nevada Woodworks | Sierra Nevada Woodworks | — | (559) 793 1836 | GC, remodel, ADU | Porterville · Tulare County | — | — |
| Sierra Range Builders | Sierra Range Builders | — | (559) 799 2383 | GC, remodel, ADU | Three Rivers · Tulare County | — | — |
| Sierra Range Construction | Richard Allen Jr Jones | — | (559) 635 0504 | GC, remodel, ADU | Lemoncove · Tulare County | — | — |
| Sierra View Construction | Jose Abel Gonzalez | — | (559) 972 9567 | GC, remodel, ADU | Tulare · Tulare County | — | — |
| Silva Construction Company INC | Joseph Adam Silva | — | (559) 972 8076 | GC, remodel, ADU | Visalia · Tulare County | — | — |
| Silva Electric | Frank Narciso Silva | — | (559) 280 4232 | Electricians | Visalia · Tulare County | — | — |
| Silver Star Electric | Juan Manuel Sanchez | — | (408) 466 9235 | Electricians | Woodlake · Tulare County | — | — |
| Single Line Electric | Arthur Ernest Alvidrez | — | (559) 241 4157 | Electricians | Tulare · Tulare County | — | — |
| Sjv Construction Services INC | Arthur Randall Merrill | — | (559) 732 2660 | GC, remodel, ADU | Visalia · Tulare County | — | — |
| Smee Homes INC | Jason Joshua Bryon Moyes | customerservice@smeehomes.com | (559) 788 0525 | GC, remodel, ADU | Porterville · Tulare County | — | — |
| Smith Sign And Decal | Linda M Smith | — | (559) 688 9417 | Windows, patio, painters | Tulare · Tulare County | — | — |
| Smiths Roofing | Ryan Cleburn Smith | — | (559) 781 9240 | Other roofers | Porterville · Tulare County | — | — |
| Smoot Construction | William Shayne Smoot | — | (559) 967 7492 | GC, remodel, ADU | Visalia · Tulare County | — | — |
| Snodgrass Enterprises INC | Anthony Dean Snodgrass | — | (559) 280 8214 | HVAC | Three Rivers · Tulare County | — | — |
| Soc General Contractor | Soc General Contractor | — | (562) 412 3126 | GC, remodel, ADU | Tulare · Tulare County | — | — |
| Solution Roofing | Lorenzo Almanza Jr Medina | solutionroofingco@gmail.com | (559) 901 9869 | Other roofers | Tulare · Tulare County | — | — |
| Soria Buildings Construction INC | Perez Jose Soria | — | (559) 769 0333 | GC, remodel, ADU | Woodlake · Tulare County | — | — |
| Soults Pump And Equipment Co INC | Mark Daniel Roth | — | (559) 686 8761 | Other | Tulare · Tulare County | — | — |
| South Valley Mechanical | South Valley Mechanical | — | (559) 805 9718 | HVAC | Woodlake · Tulare County | — | — |
| South Valley Sealcoat | South Valley Sealcoat | — | (559) 789 4208 | Other | Porterville · Tulare County | — | — |
| Southern Sierra's Construction | Sherwood Scott | — | (559) 303 2900 | GC, remodel, ADU | Three Rivers · Tulare County | — | — |
| Southland Concrete Pumping | Southland Concrete Pumping | — | (559) 679 3709 | Other | Visalia · Tulare County | — | — |
| Souza Construction | Michael Daniel Souza | souza@souzaconstruction.com | (559) 471 5256 | GC, remodel, ADU | Exeter · Tulare County | — | — |
| Souza Construction INC | Manuel George Souza | souza@souzaconstruction.com | (559) 747 7100 | HVAC | Farmersville · Tulare County | — | — |
| Souza Service Station Equipment Calibration | Johnny Joseph Jr Souza | — | (559) 731 4991 | Other | Visalia · Tulare County | — | — |
| Spano Properties INC | Leonard Spano | — | (559) 732 2455 | GC, remodel, ADU | Visalia · Tulare County | — | — |
| Specialized Tile / Eric Garcia | Specialized Tile / Eric Garcia | — | (209) 495 7698 | Other | Porterville · Tulare County | — | — |
| Spence Fence Company Enterprises | Bobbi Jean Nelson | — | (559) 651 2889 | Other | Visalia · Tulare County | — | — |
| Springtime Landscape Construction | Nava Alvaro | — | (559) 847 8995 | Windows, patio, painters | Dinuba · Tulare County | — | — |
| Square 1 Development LLC | Kyle Andrew Glen | — | (559) 993 7771 | GC, remodel, ADU | Visalia · Tulare County | — | — |
| Sr Construction | Stephen Michael Richey | — | (559) 300 9853 | GC, remodel, ADU | Visalia · Tulare County | — | — |
| Sr Mechanical | Sr Mechanical | — | (559) 805 9222 | HVAC | Woodlake · Tulare County | — | — |
| Stacy Blake | Stacy Blake | — | (559) 750 3321 | Other | Visalia · Tulare County | — | — |
| Stacy Noriega | Stacy Noriega | — | (559) 936 0866 | Other | Tulare · Tulare County | — | — |
| Stainless Works Specialties Incorporated | David Munoz | — | (559) 688 4310 | Other | Tulare · Tulare County | — | — |
| Stan The Plumber INC | Stanley Robert England | — | (559) 688 1171 | Other | Tulare · Tulare County | — | — |
| Starace Mechanical Heating & Air Conditioning | Starace Mechanical Heating & Air Conditioning | — | (559) 686-4312 | HVAC | Tulare · Tulare County | — | — |
| Steelex Industrial | Steelex Industrial | — | (559) 562 6831 | GC, remodel, ADU | Strathmore · Tulare County | — | — |