| Elwell Electric | Norman Leonard Elwell | — | (805) 433 2067 | Electricians | Simi Valley · Ventura County | — | — |
| Ely Jr's Pumping INC | Beatriz Simental | — | (805) 483 2000 | Other | Oxnard · Ventura County | — | — |
| Emae & Sons INC | Ehab Maher Maamoun | — | (805) 341 6683 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Emc Construction INC | Murillo Eduardo | — | (805) 290 5357 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Emerald Construction | Erich John Lindenlaub | info@emeraldconstruction.com | (805) 218 6542 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Emilio's Pro Roofing LLC | Emilio De Jesus Revolorio Montenegro | — | (805) 990 5007 | Other roofers | Moorpark · Ventura County | — | — |
| Eminent Builders INC | Oscar German Lazcano-Avina | — | (818) 770 0139 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Empathy Ev INC | Christopher Martin Valdez | info@empathyev.com | (805) 258 9850 | EV chargers | Ventura · Ventura County | — | — |
| Empire Builders | Empire Builders | — | (805) 507-3908 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Empire Builders Design Build INC DBA Empire Builders | James Evan Carey | — | (805) 242 5553 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Empire Cabling INC | Paul Walker Chodkowski | joeg@empirecabling.com | (805) 531 5455 | Other | Moorpark · Ventura County | — | — |
| Empire Construction | Hernandez Hector | — | (909) 273 3311 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Empire Electrical Contractors INC | Andrew Richard Hackbarth | — | (805) 433 2695 | Electricians | Simi Valley · Ventura County | — | — |
| Empire Management Company | Empire Management Company | — | (805) 641-9905 | Property managers | Ventura · Ventura County | — | — |
| En Gedi Construction | Craig Alan Clutts | craig@engediconstruction.com | (904) 651 6109 | Other | Camarillo · Ventura County | — | — |
| Enbody Custom Pool Construction | Blaine Ralph Enbody | — | (805) 657 1262 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Enchanted Way Landscaping | Enchanted Way Landscaping | — | (805) 732 3399 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Encino Landscape | Jose De Jesus Gutierrez | — | (818) 895 2529 | Windows, patio, painters | Somis · Ventura County | — | — |
| Encore Air Conditioning INC | Linear Akeem Vaca | — | (805) 204 8964 | HVAC | Fillmore · Ventura County | — | — |
| Encore Plumbing Corp | Robert Roy Thomas | — | (310) 430 9528 | Other | Simi Valley · Ventura County | — | — |
| Endeavor Advanced Solutions | Steven Kenneth Rogers | info@endeavoras.com | (747) 444 7963 | Other | Thousand Oaks · Ventura County | — | — |
| Endurance Painting INC | Austin Wyatt Vulich | — | (818) 645 8055 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Energy Solutions Electric INC | Ivan Lemus | — | (805) 624 1566 | Electricians | Santa Paula · Ventura County | — | — |
| Energy Solutions Window Tinting | Energy Solutions Window Tinting | — | (805) 433 3276 | Other | Simi Valley · Ventura County | — | — |
| Enerlon INC | Gregory Brooks Powell | — | (888) 363 7566 | HVAC | Oxnard · Ventura County | — | — |
| Enlightment Electric INC | Steven Fernando Zaldana | — | (805) 285 6564 | Electricians | Simi Valley · Ventura County | — | — |
| Environmental Site Maintenance | Gilbert Todd Carrillo | — | (661) 213 6000 | Other | Simi Valley · Ventura County | — | — |
| Epic Construction Concepts | Jorge Horta Diaz | — | (805) 446 9604 | GC, remodel, ADU | Port Hueneme · Ventura County | — | — |
| Epic Landscape | Epic Landscape | — | (805) 446 1003 | Windows, patio, painters | Moorpark · Ventura County | — | — |
| Epigmenio Medina Flores | Epigmenio Medina Flores | — | (805) 816 1668 | Other | Oxnard · Ventura County | — | — |
| Epik Masonry & Concrete INC | Shaun Robert Loughlin | — | (805) 746 0683 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Eq Landscaping INC | Maria Cristal Reynoso Esparza | info@eq-landscaping.com | (805) 895 2506 | Windows, patio, painters | Fillmore · Ventura County | — | — |
| Er Construction & Remodeling | Esteban Adan Reyes | — | (805) 300 9496 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Er Plumbing | Er Plumbing | — | (818) 271 4453 | Other | Simi Valley · Ventura County | — | — |
| Er Plumbing & Rooter Solutions | Gilberto Cendejas Rodriguez | — | (818) 770 0205 | Other | Ventura · Ventura County | — | — |
| Erfan Azami | Erfan Azami | — | (310) 569 8808 | Electricians | Simi Valley · Ventura County | — | — |
| Eric D Johnson | Eric D Johnson | — | (805) 290 6520 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Eric Graves Painting & Decorating | Eric Graves Painting & Decorating | — | (805) 660 0168 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Eric J Broms Construction INC | Eric Joseph Broms | — | (805) 857 9120 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Eric Kivlen Plumbing | Eric Kivlen Plumbing | — | (805) 558 4435 | Other | Simi Valley · Ventura County | — | — |