| E L Crane Construction | Edwin Louis Crane | — | (707) 333 1964 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| E M Pro Construction | Oscar Eduardo Sahagun Contreras | — | (707) 853 5223 | Electricians | Vallejo · Solano County | — | — |
| E Mystro Pipelines INC | Osvil Hernandez | — | (510) 691 5018 | Other | Vallejo · Solano County | — | — |
| E Squared Ventures DBA Servpro Vacaville | Keith Lancing Rogers | — | (707) 724 8977 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| E T's Hot Tapping & Freezes | Earick Todd Wyatt | — | (707) 580 8696 | Other | Fairfield · Solano County | — | — |
| E Z Tree INC | Sherry Lynn Durden | — | (707) 644 3903 | Tree | Vallejo · Solano County | — | — |
| Eagle Sheet Metal | Eagle Sheet Metal | — | (510) 772 3613 | Other | Vallejo · Solano County | — | — |
| Earley Painting | Earley Painting | — | (530) 318 9437 | Windows, patio, painters | Fairfield · Solano County | — | — |
| Earthquake Protection Systems | Victor Anibal Zayas | — | (707) 644 5993 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| East Bay Blinds | East Bay Blinds | larry@eastbayblinds.com | (925) 200 4521 | Other | Benicia · Solano County | — | — |
| East Bay Concrete Construction | Marco Vinicio Madrigal Hernandez | eastbayc3@gmail.com | (707) 301 2021 | Other | Vacaville · Solano County | — | — |
| East Bay Contractor | East Bay Contractor | — | (707) 753 6113 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| East Bay Power | Morgan Maxwell Cushing | — | (707) 416 6690 | Electricians | Vacaville · Solano County | — | — |
| Easy-jobs-electric | Carr Evan | — | (707) 980 2222 | Electricians | Benicia · Solano County | — | — |
| Ecocon General Construction | Fierros Alanis Efrain | — | (925) 360 7224 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Ed Harrington Co | Edward Hale Harrington | — | (707) 656 5295 | HVAC | Vallejo · Solano County | — | — |
| Ed Neir Construction | Kenneth Edward Neir | office@edneirconstruction.com | (408) 368 7162 | Electricians | Vacaville · Solano County | — | — |
| Eddie Foster | Eddie Foster | — | (707) 333 6934 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Eduardo Diaz | Eduardo Diaz | eduardo@eduardo-diaz.com | (408) 968 9068 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Edwin's Plumbing & Drain Services | Edwin Manuel Blanco | — | (510) 953 9597 | Other | Fairfield · Solano County | — | — |
| Efficient Energy Solutions | Patrick M Perry | — | (707) 718 7688 | Electricians | Rio Vista · Solano County | — | — |
| Eladio R Gutierrez | Eladio R Gutierrez | — | (415) 225 4609 | Windows, patio, painters | Fairfield · Solano County | — | — |
| Eldridge Tile | Herbert Richard Eldridge | — | (707) 678 4767 | Other | Dixon · Solano County | — | — |
| Electric Care | Petar Plamenov Markov | — | (707) 567 3361 | Electricians | Vallejo · Solano County | — | — |
| Electrify My Home | Lawrence Ray Waters | info@electrifymyhome.com | (707) 840 3411 | HVAC | Suisun City · Solano County | — | — |
| Element Electric INC | Andrew Leroy Loffgren | info@elementelectric.com | (707) 693 1651 | Electricians | Dixon · Solano County | — | — |
| Elemental Roofing | Anthony David Crumm | — | (707) 741 1297 | Other roofers | Benicia · Solano County | — | — |
| Elevate Construction & Design INC | Reuel Pascua Ii Cipriano | — | (707) 334 6369 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Elevations Design Build | Elevations Design Build | info@elevationsdesignbuild.com | (760) 407-4753 | Windows, patio, painters | Solana Beach · Solano County | — | — |
| Eli Spilsbury Construction | Eli Adam Spilsbury | — | (415) 747 2428 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Elias Concrete Construction | Elias Rogelio | — | (707) 580 1201 | Other | Fairfield · Solano County | — | — |
| Elite Construction | Luis Humberto Valencia Hernandez | info@eliteconstruction.ca | (415) 624 4031 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Elite Elevator Service LLC | Erik Matthew Nelson | dave@lab6.com | (855) 280 2241 | Other | Vacaville · Solano County | — | — |
| Elite Plumbing Services INC | William James Molnar | — | (707) 689 7498 | Other | Vacaville · Solano County | — | — |
| Elizalde Concrete Construction | Melanie Ann Elizalde | — | (707) 310 3941 | Other | Vacaville · Solano County | — | — |
| Elkhorn Tractor | Elkhorn Tractor | — | (707) 249 1687 | Other | Vacaville · Solano County | — | — |
| Elskes Construction | John Brett Elskes | — | (512) 905 6550 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Em Construction | Magana Ernesto | sales@em-construction.com | (925) 305 7200 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Emanuel Morales Electric | Morales Emanuel | — | (415) 660 6311 | Electricians | Vacaville · Solano County | — | — |
| Emergency Construction Services INC DBA Ecs | Nina Estella Gouveia | — | (707) 938 2000 | GC, remodel, ADU | Fairfield · Solano County | — | — |