| Centech LLC | Walter Michael Iii Maurer | — | (805) 390 9917 | HVAC | Simi Valley · Ventura County | — | — |
| Center Glass Co No 9 | Angelique Gulden | — | (805) 642 0149 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Centerline Fire Protection INC | Kenneth Eugene Ruzicka | — | (805) 578 9000 | Other | Simi Valley · Ventura County | — | — |
| Centerline Plumbing | Centerline Plumbing | — | (805) 231 1231 | Other | Moorpark · Ventura County | — | — |
| Central Coast Builders INC | Douglas C Bradford | — | (805) 415 1072 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Central Coast Engineering | Central Coast Engineering | — | (805) 218 3713 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Central Coast Fuel Systems LLC | Nathan Daniel Karn | — | (805) 822 7129 | Other | Camarillo · Ventura County | — | — |
| Central Coast Outdoor Lighting Corp | Charles Jacob Swift | — | (805) 308 5577 | Electricians | Ojai · Ventura County | — | — |
| Central Coast Overhead Door | Lira Eduardo Palacios | — | (805) 946 6803 | Other | Oxnard · Ventura County | — | — |
| Century West Plumbing | Robert Matthew Garcia | — | (805) 777 7978 | Other | Westlake Village · Ventura County | — | — |
| Cerca Trova Plastering | Cerca Trova Plastering | — | (805) 377 5411 | Other | Oxnard · Ventura County | — | — |
| Cerco Engineering | Cesar Eugenio Riffo | criffo@cercoengineering.com | (805) 864 6509 | Other | Thousand Oaks · Ventura County | — | — |
| Certified | Todd A Bathke | — | (818) 889 7773 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Certified Pool Inspections INC | Michael Steven Shaw | info@certifiedpoolinspections.com | (818) 843 7665 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Certified Testing Specialists | Certified Testing Specialists | — | (805) 527 3214 | Electricians | Simi Valley · Ventura County | — | — |
| Cesar Genaro Sanchez Tala | Cesar Genaro Sanchez Tala | — | (310) 663 2378 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Cesar's Tile And Stone Works | Cesar Alejandro Contreras Rodriguez | — | (818) 613 5515 | Other | Simi Valley · Ventura County | — | — |
| Cg Construction | Cody Robert Greene | — | (805) 823 3902 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Cg Solutions | Cg Solutions | — | (805) 744 9885 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Chacon Construction Services INC | Debbie Ann Chacon | — | (805) 501 0085 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Chad Hildebrand General Conractor | Chad Hildebrand General Conractor | — | (805) 535 5992 | GC, remodel, ADU | Somis · Ventura County | — | — |
| Chadwick Electric INC | Robert Allen Chadwick | — | (805) 754 6434 | Electricians | Oxnard · Ventura County | — | — |
| Chakra Investments INC DBA Fastsigns Of Ventura | Saurabh Bajaj | — | (805) 658 1001 | Other | Ventura · Ventura County | — | — |
| Champion Kitchens INC | Christopher Alan Trauger | info@championkitchens.com | (805) 526 5349 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Champion Painting LLC | Thomas James Wolf | — | (805) 581 4935 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Channel Builders INC | Kenneth Steven Wilson | — | (805) 798 2337 | GC, remodel, ADU | Oak View · Ventura County | — | — |
| Channel Contracting INC DBA Vince Richards Handyman | Vincent Rodney Richards | — | (818) 625 6703 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Channel Islands Electric | Joseph Howard Iv Omweg | — | (805) 218 1151 | Electricians | Ventura · Ventura County | — | — |
| Channel Islands Excavation | Channel Islands Excavation | — | (805) 633 9091 | Other | Ojai · Ventura County | — | — |
| Channel Islands Fire Protection INC | Marco Antonio Renteria | — | (818) 408 1900 | Other | Oxnard · Ventura County | — | — |
| Channel Islands Floorcoverings | Keith Grady Speir | — | (805) 984 2353 | Other | Ventura · Ventura County | — | — |
| Channel Islands Plastering | Channel Islands Plastering | — | (805) 448 0572 | Other | Ojai · Ventura County | — | — |
| Channel Islands Pool Supply | Channel Islands Pool Supply | — | (805) 477-1315 | Pool | Ventura · Ventura County | — | — |
| Channel Islands Roofing INC | Susan Barber De Arcos | — | (805) 485 1622 | Other roofers | Oxnard · Ventura County | — | — |
| Channel Islands Structures | Brandon Kinsey Martin | bmartin@channelislandsstructures.com | (805) 797 7228 | Other | Ventura · Ventura County | — | — |
| Channel Welding & Fabrication INC | Terry Scott Lovato | — | (805) 231 8834 | Other | Oxnard · Ventura County | — | — |
| Chapala Iron & Manufacturing Company INC | Patrick Glenton Davis | — | (805) 654 9803 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Chaparral Painting | Chaparral Painting | — | (805) 469 4522 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Chaparral Woodworks INC | Edward Arthur Sillari | brett@chaparralwoodworks.com | (805) 579 8033 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Char Plumbing | Char Plumbing | charplumbing1@gmail.com | (805) 416 4947 | Other | Simi Valley · Ventura County | — | — |