| Steve Erieg Construction | Steven Albert Erieg | — | (818) 324 3776 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Steve Garr General Contractor | Steve Garr General Contractor | — | (805) 390 6540 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Steve Lane | Steve Lane | — | (888) 341 0089 | Electricians | Thousand Oaks · Ventura County | — | — |
| Steve Lasley DBA Universal Plumbing Co U P C | Steven Darrel Lasley | — | (805) 577 8883 | Other | Simi Valley · Ventura County | — | — |
| Steve Meyer Construction | Steven Gregory Meyer | — | (818) 964 3303 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Steve Preciado Pools | Steve Preciado Pools | — | (805) 298 7600 | Pool | Moorpark · Ventura County | — | — |
| Steve Sharpe | Steve Sharpe | — | (805) 701 1776 | Electricians | Newbury Park · Ventura County | — | — |
| Steve's Automatic Gate | Steve's Automatic Gate | — | (805) 857 9009 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Steven C Bennett | Steven C Bennett | — | (805) 798 3536 | Electricians | Ojai · Ventura County | — | — |
| Steven Cheatwood DBA Rocko's Plumbing | Steven Cheatwood DBA Rocko's Plumbing | — | (805) 372 1797 | Other | Simi Valley · Ventura County | — | — |
| Steven Field Plumbing | Steven Joseph Field | — | (805) 857 5648 | Other | Newbury Park · Ventura County | — | — |
| Steven J Devries Construction & Remodeling | Steven James Devries | — | (818) 822 2352 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Steven J Houser INC | Steven Jay Houser | — | (818) 458 8546 | Other | Thousand Oaks · Ventura County | — | — |
| Steven James Henschel | Steven James Henschel | — | (805) 558 5728 | Other | Camarillo · Ventura County | — | — |
| Steven L Cormany Construction | Steven Lawrence Cormany | — | (805) 218 2822 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Steven M Williams | Steven M Williams | — | (310) 699 1489 | Windows, patio, painters | Santa Paula · Ventura County | — | — |
| Steven Martin Christensen | Steven Martin Christensen | — | (805) 407 1713 | Other | Oak View · Ventura County | — | — |
| Steven Martin Potter | Steven Martin Potter | — | (805) 208 7440 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Steven Rieder | Steven Rieder | rieder@mastodon.social | (805) 340 5788 | Electricians | Santa Paula · Ventura County | — | — |
| Steven W Snyder Electrical Contractor | Steven Wayne Snyder | — | (831) 588 3316 | Electricians | Camarillo · Ventura County | — | — |
| Steven Winnaman | Steven Winnaman | — | (818) 970 3330 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Stevendad Construction | Gary Lee Lueck | — | (805) 558 7112 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Stevens Electric | Ryan James Stevens | stevens.electric17@gmail.com | (208) 576 1183 | Electricians | Newbury Park · Ventura County | — | — |
| Stewart Brothers Electric | Michael Wayne Stewart | — | (818) 489 8581 | Electricians | Thousand Oaks · Ventura County | — | — |
| Stichler Construction | Craig Leo Stichler | — | (805) 340 0096 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Stille Home INC | Robert Nicholas Guy | kyle@stillehome.com | (714) 655 2319 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Stingers Electrical Company INC | Austin Mitchell Frgacic | — | (805) 660 9877 | Electricians | Simi Valley · Ventura County | — | — |
| Stock Trenching | Stock Trenching | — | (805) 750 1123 | Other | Simi Valley · Ventura County | — | — |
| Stoilkovich Construction & Electrical | David Alexander Stoilkovich | — | (310) 430 9293 | Electricians | Port Hueneme · Ventura County | — | — |
| Stone Tile Roca Firme | Edgar Noe Ortiz Ojeda | — | (805) 210 2835 | Other | Simi Valley · Ventura County | — | — |
| Stone Tile Surfaces | Miguel Angel Jr Gutierrez | — | (805) 815 8621 | Other | Oxnard · Ventura County | — | — |
| Stonecraft Surfaces INC | Paul Christian Gunderson | — | (805) 648 5241 | Other | Ventura · Ventura County | — | — |
| Stonehenge Pacific | Stonehenge Pacific | — | (805) 312 0999 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Stonewall Construction INC | Woodrow Steve Gruninger | — | (310) 261 0993 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Stoneworks Construction Service | Armen Ghazarian | — | (805) 300 3834 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Stood Strong | Stood Strong | — | (805) 807 9962 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Storrey Building INC | Steven Torrey Richeson | — | (818) 720 9414 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Stott Construction & Electrical Systems INC | Felisa Abellera Stott | — | (805) 276 7921 | Electricians | Camarillo · Ventura County | — | — |
| Stout Demolition INC | Jose Basilio Jr Perez | — | (818) 322 6616 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Stover Electric | Houston Ronald Stover | — | (805) 394 9188 | Electricians | Port Hueneme · Ventura County | — | — |