| Surface Star Coatings | Surface Star Coatings | — | (209) 678 1690 | Windows, patio, painters | Turlock · Stanislaus County | — | — |
| Sustainable Greens | Sustainable Greens | — | (209) 968 9004 | Windows, patio, painters | Modesto · Stanislaus County | — | — |
| Swan Pools | Douglas Wayne Fox | — | (209) 543 8095 | Pool | Ceres · Stanislaus County | — | — |
| Swanson Jr Construction INC | Jeffery Royal Swanson | — | (209) 541 8534 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Sycamore Tree Service | Romero Martinez Chayanne | — | (925) 350 2527 | Tree | Modesto · Stanislaus County | — | — |
| T & A Painting INC | Danny Ray Ortega | — | (408) 665 1371 | Windows, patio, painters | Modesto · Stanislaus County | — | — |
| T & N Plumbing & Electrical INC | William Chester Houck | — | (209) 408 8078 | HVAC | Modesto · Stanislaus County | — | — |
| T & T Construction & Electrical | Tynda Nikolay | — | (209) 918 1937 | Electricians | Modesto · Stanislaus County | — | — |
| T & T Plumbing INC | Eleazar Leal Tamez | — | (209) 534 6990 | Other | Modesto · Stanislaus County | — | — |
| T - Bar Concrete | T - Bar Concrete | — | (510) 774 5696 | Other | Modesto · Stanislaus County | — | — |
| T A General Electric INC | Antonio Villegas Aguilar | — | (209) 284 0311 | Electricians | Modesto · Stanislaus County | — | — |
| T C & J Construction | Brian James Callahan | — | (209) 585 8215 | GC, remodel, ADU | Turlock · Stanislaus County | — | — |
| T C B Tile & Stone | Jared Thomas Whitehead | — | (209) 918 7110 | Other | Modesto · Stanislaus County | — | — |
| T D R Development INC | Anthony Mathew Bruno | — | (209) 667 6455 | GC, remodel, ADU | Turlock · Stanislaus County | — | — |
| T E C Services DBA The Electric Company | Robert Michael Kelsay | — | (209) 213 1101 | Electricians | Patterson · Stanislaus County | — | — |
| T J M Construction | Thomas Joseph Sr Mason | — | (209) 247 8629 | GC, remodel, ADU | Knights Ferry · Stanislaus County | — | — |
| T M A Multi - Services INC DBA The Management Alternative | Gerardo Gonzalez | — | (209) 544 3422 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| T N T Heating & Air | David Gabriel Holt | — | (209) 204 8234 | HVAC | Ceres · Stanislaus County | — | — |
| T N T Paving | T N T Paving | char-55@hotmail.com | (209) 450 9924 | Other | Turlock · Stanislaus County | — | — |
| T W Schwartz Builder / Designer | Thomas William Schwartz | — | (209) 847 8121 | GC, remodel, ADU | Oakdale · Stanislaus County | — | — |
| T Y M C O Electric | Timothy Richard Crook | — | (209) 380 3717 | Electricians | Modesto · Stanislaus County | — | — |
| Tabco Enterprises | Lewie Leal Jr Roche | — | (209) 402 8349 | Windows, patio, painters | Oakdale · Stanislaus County | — | — |
| Tag Nomelli Construction | Tag Larry Nomelli | — | (209) 604 2783 | GC, remodel, ADU | Hickman · Stanislaus County | — | — |
| Tcb Industrial INC | Bryan Michael Martin | — | (209) 571 0569 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Tcw Fine Cabinetry INC | Jose Antonio Erazo | — | (209) 499 1437 | Other | Modesto · Stanislaus County | — | — |
| Team Horsley | Team Horsley | marshall@teamhorsley.com | (209) 495 7078 | GC, remodel, ADU | Riverbank · Stanislaus County | — | — |
| Technical Electric | David Scott Salonen | — | (209) 988 0502 | Electricians | Modesto · Stanislaus County | — | — |
| Technology Systems Installations | Technology Systems Installations | — | (209) 204 9318 | Electricians | Modesto · Stanislaus County | — | — |
| Ted Kramer Builders INC | Debra Sue Hoekman | — | (209) 545 0500 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Teeples Plumbing & Drilling INC | Judith Alline Teeples | — | (209) 581 0480 | Other | Empire · Stanislaus County | — | — |
| Telcion Communications Group | Darren Robert Rodrigues | — | (209) 632 5700 | Other | Turlock · Stanislaus County | — | — |
| Tellos Legacy Flooring | Tellos Legacy Flooring | — | (209) 404 7412 | Other | Ceres · Stanislaus County | — | — |
| Templar Construction | Jacob Robert Davey | — | (209) 769 6934 | Electricians | Oakdale · Stanislaus County | — | — |
| Terminix | Michael Christopher Hadden | — | (714) 262 6385 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Terra Tech Landscaping Services | Urias Rudy | — | (209) 846 4376 | Windows, patio, painters | Salida · Stanislaus County | — | — |
| Terrell Painting Incorporated | Jeremy Ryan Terrell | — | (925) 500 7000 | Windows, patio, painters | Modesto · Stanislaus County | — | — |
| Terry D Hamilton | Terry D Hamilton | — | (209) 404 7700 | GC, remodel, ADU | Modesto · Stanislaus County | — | — |
| Textura Drywall INC | Javier Jr Hernandez | — | (209) 602 9940 | Other | Salida · Stanislaus County | — | — |
| The Cabinet Shop | The Cabinet Shop | — | (209) 988 4189 | Other | Modesto · Stanislaus County | — | — |
| The Door Guys | The Door Guys | — | (209) 577 0068 | Other | Modesto · Stanislaus County | — | — |