| Neil Alan Melillo Painting | Neil Alan Melillo Painting | — | (805) 796 0700 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Neil Simon Smith | Neil Simon Smith | — | (310) 850 0584 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Neilsen Electric | Brian Anthony Neilsen | — | (310) 924 9015 | Electricians | Port Hueneme · Ventura County | — | — |
| Nelson Security And Communications | Nelson Security And Communications | — | (818) 707 0927 | Electricians | Thousand Oaks · Ventura County | — | — |
| Nelson's Concrete Drilling & Sawing | Nelson's Concrete Drilling & Sawing | — | (805) 578 9800 | Other | Simi Valley · Ventura County | — | — |
| Nema Roofing | Nema Roofing | info@nemaroofing.com | (866) 631-3366 | Other roofers | Oxnard · Ventura County | — | — |
| Neon Plus Signs | Neon Plus Signs | — | (805) 889 9779 | Other | Oxnard · Ventura County | — | — |
| Ness Electrical INC | Nestor Michael Sawchuk | — | (661) 209 1315 | Electricians | Simi Valley · Ventura County | — | — |
| Ness Sawchuk E | Ness Sawchuk E | — | (661) 209 1315 | Electricians | Simi Valley · Ventura County | — | — |
| Nestor Lopez | Nestor Lopez | — | (805) 522 7800 | Other | Simi Valley · Ventura County | — | — |
| Netaog INC | Pablo Felipe Castro | — | (818) 355 5211 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Neto's Fence Co | Ruizvelasco Ernesto | — | (805) 983 1738 | Other | Oxnard · Ventura County | — | — |
| New Beginning Stone INC | Cesar Ramiro Fernandez | — | (818) 631 7515 | Other | Camarillo · Ventura County | — | — |
| New Castle Tile Care | New Castle Tile Care | newcastlemarble@gmail.com | (818) 707 0275 | Other | Thousand Oaks · Ventura County | — | — |
| New Era Lath & Plastering INC | Garcia Alejandro Campuzano | — | (805) 754 9646 | Other | Oxnard · Ventura County | — | — |
| New Era Painting | New Era Painting | — | (805) 940 5835 | Windows, patio, painters | Port Hueneme · Ventura County | — | — |
| New Gen Electric LLC | Logan Loren Vandermeer | — | (424) 234 0321 | Electricians | Ojai · Ventura County | — | — |
| New Generation Landscape Co INC | Donaldo Trinidad Aguilar | — | (818) 268 3935 | Windows, patio, painters | Piru · Ventura County | — | — |
| New Hope Construction Company | Lee Young Sik | — | (661) 305 4418 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| New Image Contractors | Galindo Ignacio | — | (951) 285 6940 | Electricians | Simi Valley · Ventura County | — | — |
| New Image Plastering INC | Jose Fausto Ramos | — | (805) 407 2326 | Other | Camarillo · Ventura County | — | — |
| New Light Electric | Valiant Cedric King | — | (805) 205 5897 | Electricians | Oxnard · Ventura County | — | — |
| New M Maintenance INC | Salvador Jr Plascencia | — | (805) 485 1267 | Other | Oxnard · Ventura County | — | — |
| New Roofing Company | Palomares Samuel Torres | — | (805) 793 9992 | Other roofers | Oxnard · Ventura County | — | — |
| New Slate Construction | Jeffrey Daniel Shewbert | — | (805) 207 6852 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| New Vision Construction & Repairs INC | Aurelio Hurtado | — | (805) 797 3342 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| New Vision Painting | New Vision Painting | — | (805) 470 8718 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| New Volt Systems | New Volt Systems | amkryukov@gmail.com | (805) 490 3178 | Electricians | Thousand Oaks · Ventura County | — | — |
| New Way Roofing INC | Padilla Alfredo | — | (805) 816 3425 | Other roofers | Oxnard · Ventura County | — | — |
| Newbury Concrete Construction | Ryen Joseph Silbert | — | (818) 878 0964 | Other | Newbury Park · Ventura County | — | — |
| Newbury Park Tree Service INC | Dean Allen Lappinga | — | (805) 498 7841 | Windows, patio, painters | Newbury Park · Ventura County | — | — |
| Newgen Communications INC | Francisco Javier Aguilar-Sanchez | — | (805) 302 8097 | Other | Ventura · Ventura County | — | — |
| Newhard Concrete Sawing | Newhard Concrete Sawing | — | (805) 797 0446 | Other | Camarillo · Ventura County | — | — |
| Newsem Ag INC DBA Greene Tree Care | John Graydon Fleming | — | (805) 484 9900 | Tree | Camarillo · Ventura County | — | — |
| Next Door Home Upgrades | Jessica Min Rhee | admin@nextdoorsolar.com | (714) 585 7110 | Other roofers | Simi Valley · Ventura County | — | — |
| Next Level Electric | John Christopher Reed | nl-electric@mail.com | (714) 904-3532 | Electricians | Ventura · Ventura County | — | — |
| Next Level General Contracting | Gaetano John Patterson | goldstandar2025@gmail.com | (805) 728 0044 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Next Level Landscaping Services | Jorge Alberto Ramos | — | (818) 281 4099 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Next Level Project INC | Daniel Craig Fleming | — | (805) 750 4165 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Next Primarily Wood Cabinets | Next Primarily Wood Cabinets | — | (805) 746 3770 | Other | Ventura · Ventura County | — | — |