| Thompsons Sealcoating | Thompsons Sealcoating | — | (530) 338 9653 | Other | Redding · Shasta County | — | — |
| Thorn Construction | Ray Alvin Thorn | — | (530) 360 6152 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Three C's Development | Three C's Development | — | (530) 921 1084 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| Thurber Electric | Jason James Thurber | — | (530) 510 3825 | Electricians | Redding · Shasta County | — | — |
| Tico Construction | Chester Raymond Smurzynski | — | (530) 549 3589 | GC, remodel, ADU | Palo Cedro · Shasta County | — | — |
| Tig Tech INC | Chad Aaron Abel | — | (530) 242 1188 | GC, remodel, ADU | Cottonwood · Shasta County | — | — |
| Tim La Londe Backhoe & Dump Truck | Timothy Dale La Londe | — | (707) 845 8636 | Other | Redding · Shasta County | — | — |
| Tim May Construction | Timothy Steven Ii May | — | (530) 355 2855 | GC, remodel, ADU | Shasta Lake · Shasta County | — | — |
| Tim Wakefield Construction | Timothy Van Wakefield | — | (530) 605 6667 | GC, remodel, ADU | Round Mountain · Shasta County | — | — |
| Tina Hitchcock's Construction | Christine Theresa Nelson | — | (530) 949 8181 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Tls Construction | Tracey Lew Schmidt | — | (530) 360 4522 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Tls Painting | Tls Painting | — | (530) 945 6974 | Windows, patio, painters | Redding · Shasta County | — | — |
| Todd A Selk | Todd A Selk | — | (530) 245 0989 | Other | Redding · Shasta County | — | — |
| Todd Brackett Tile | Todd Brackett Tile | — | (530) 355 4748 | Other | Anderson · Shasta County | — | — |
| Todd Brown Construction | Todd Russell Brown | — | (530) 941 7424 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Todd Lopes Painting | Todd Lopes Painting | — | (530) 524 3966 | Windows, patio, painters | Redding · Shasta County | — | — |
| Todd Reich | Todd Reich | — | (530) 524 9076 | GC, remodel, ADU | Lakehead · Shasta County | — | — |
| Tom Mc Closkey Concrete | Tom Mc Closkey Concrete | — | (530) 949 0855 | Other | Redding · Shasta County | — | — |
| Tom Mc Hugh Construction | Thomas Anthony Mc Hugh | — | (530) 410 4987 | GC, remodel, ADU | Shasta Lake · Shasta County | — | — |
| Tom Roberts Painting | Tom Roberts Painting | — | (530) 524 9197 | Windows, patio, painters | Redding · Shasta County | — | — |
| Tom Watson Construction | Thomas Ian Watson | — | (530) 515 7640 | GC, remodel, ADU | Shasta Lake · Shasta County | — | — |
| Tony Conrad Construction | Tony Lee Conrad | — | (530) 335 3223 | GC, remodel, ADU | Cassel · Shasta County | — | — |
| Tony's Refrigeration INC | Robert Zitek | duane@survnet.com | (530) 223 2433 | HVAC | Redding · Shasta County | — | — |
| Tony's Shotcrete INC | Rodarte Jaime Gonzalez | — | (916) 406 4050 | Pool | Redding · Shasta County | — | — |
| Top Flight | Top Flight | — | (530) 440 6403 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| Top Hat Energy INC | Terry Lee Hufft | info@tophatenergy.com | (530) 223-0753 | Electricians | Montgomery Creek · Shasta County | — | — |
| Top Notch Roofing | Johnathan Michael Lee Boster | — | (530) 227 5488 | Other roofers | Redding · Shasta County | — | — |
| Top Ridge Construction | Joshua Stephen Macdougall | — | (530) 510 6941 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Topline Plumbing | Topline Plumbing | — | (530) 768 9446 | Other | Redding · Shasta County | — | — |
| Tp Tile LLC | Anthony James Pellegrino | — | (530) 335 4246 | Other | Burney · Shasta County | — | — |
| Tr Wilkerson Construction Clean | Timothy Russell Wilkerson | — | (530) 227 9079 | Other | Palo Cedro · Shasta County | — | — |
| Tracy Jenkins Construction | Tracy Allen Jenkins | — | (530) 917 7113 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| Tradewinds Heating & Air | Tradewinds Heating & Air | — | (530) 356 1245 | HVAC | Redding · Shasta County | — | — |
| Travis L. Dorroh Construction | Travis Lee Dorroh | — | (530) 396 2209 | GC, remodel, ADU | Igo · Shasta County | — | — |
| Travis Wright Concrete | Travis Wright Concrete | — | (530) 917 1865 | Other | Redding · Shasta County | — | — |
| Tree Of Righteousness | Mattheau Alexander Villarreal | mattalexvill316@gmail.com | (530) 515 8924 | Tree | Redding · Shasta County | — | — |
| Trenton Thompson Arborist | Trenton Thompson Arborist | — | (530) 941 8733 | Tree | Redding · Shasta County | — | — |
| Trevino's Painting | Trevino's Painting | delmar@trevinospainting.com | (831) 840 2976 | Windows, patio, painters | Redding · Shasta County | — | — |
| Tri-shasta Construction | John Christopher Franklin | — | (530) 515 4992 | Other | Redding · Shasta County | — | — |
| Tri-state Communications INC | Shane Terry Fox | — | (530) 722 4056 | Other | Redding · Shasta County | — | — |