| Early Bird Energy LLC | Jose Dejesus Gutierrez | — | (747) 322 2253 | Electricians | Irvine · Orange County | — | — |
| Earnhart Door & Gate INC | Carter Justin Earnhart | — | (714) 905 4907 | Other | Orange · Orange County | — | — |
| Earth & Sun Construction INC | Seung-Chul Lim | — | (714) 461 1211 | HVAC | Anaheim · Orange County | — | — |
| Earth Basics Contracting Corporation | Robert James Pecoy | — | (714) 701 9100 | Other | Anaheim · Orange County | — | — |
| Earth Construction & Mining | Charles William Iii Poss | — | (714) 897 4326 | Other | Garden Grove · Orange County | — | — |
| Earth Renovation Construction Company | Nghia Huu Tran | — | (714) 904 4114 | GC, remodel, ADU | Santa Ana · Orange County | — | — |
| Earth1 Enterprises INC | Raul Hernan Rodriguez Masserano | — | (714) 660 3261 | Windows, patio, painters | Huntington Beach · Orange County | — | — |
| Earthwise Arborists INC | Dana Jay Hunter | — | (714) 577 8733 | Tree | Placentia · Orange County | — | — |
| Earthwise Hauling & Junk Removal | John Joseph Andre Roth | — | (714) 230 6343 | Other | Orange · Orange County | — | — |
| Earthworks Land Design Construction INC | Edmund John Radas | — | (949) 338 6166 | Windows, patio, painters | San Clemente · Orange County | — | — |
| Earthworkz Construction | Bryan Keith Heimstead | — | (562) 889 8136 | Other | Orange · Orange County | — | — |
| East Bay Consulting INC | John William Nelson | — | (714) 374 3715 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| East Shore Construction INC | Daniel Kim | — | (714) 681 2735 | GC, remodel, ADU | La Habra · Orange County | — | — |
| East West Construction Group | Shaun Patrick Hunt | — | (714) 924 0605 | GC, remodel, ADU | San Juan Capistrano · Orange County | — | — |
| East Whittier Glass & Mirror Co INC | Shaun Christian Toews | — | (562) 691 0901 | Windows, patio, painters | La Habra · Orange County | — | — |
| Eastbluff Floor Covering | Eastbluff Floor Covering | — | (714) 515 9510 | Other | Tustin · Orange County | — | — |
| Easterday Building Maintenance | Samuel Hunter Easterday | — | (714) 238 3400 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Eastgate Access Systems | Eastgate Access Systems | — | (714) 777 7048 | Other | Yorba Linda · Orange County | — | — |
| Eastgate Construction INC | Michael Thomas Coady | — | (714) 824 6014 | GC, remodel, ADU | Costa Mesa · Orange County | — | — |
| Eastgate Plumbing | Eastgate Plumbing | — | (714) 313 9445 | Other | Cypress · Orange County | — | — |
| Easton Designs And Consulting INC | Travis Zabel Easton | — | (657) 888 0026 | GC, remodel, ADU | Orange · Orange County | — | — |
| Eastside Window Cleaning | Frank Robert Sulick | — | (714) 961 0172 | Other | Brea · Orange County | — | — |
| Eastwood Construction INC | Gregory Blaine Traum | — | (949) 201 3938 | GC, remodel, ADU | San Clemente · Orange County | — | — |
| Easy Achieve Construction INC | Ma Chao | — | (949) 207 8697 | GC, remodel, ADU | Foothill Ranch · Orange County | — | — |
| Easy Air LLC | Brian Anthony Digirolamo | info@easy-air.com | (949) 310 2807 | HVAC | Irvine · Orange County | — | — |
| Easy Build Construction INC | Hussam Jereus Chahin | — | (562) 328 9350 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Easy Paint | Easy Paint | — | (714) 360 9670 | Windows, patio, painters | Tustin · Orange County | — | — |
| Easy Pool INC | David James Young | — | (657) 430 2554 | Pool | Anaheim · Orange County | — | — |
| Easy Window Coverings LLC | Jack Zachary Falk | — | (949) 742 0124 | Other | Costa Mesa · Orange County | — | — |
| Ebc3 INC | Beshoy Nabil Hanna Beshay | — | (714) 391 3233 | Electricians | Cypress · Orange County | — | — |
| Ebel's Lock And Door Company | Michael William Kinney | — | (949) 858 2085 | Other | Rancho Santa Margarita · Orange County | — | — |
| Ebsa Construction | Jamali Ashtiani Ebrahim | — | (949) 735 5033 | GC, remodel, ADU | Irvine · Orange County | — | — |
| Ec Datacomm INC | Andrew Young Cho | — | (714) 660 1900 | Other | Anaheim · Orange County | — | — |
| Ec Quality Air | Ec Quality Air | — | (951) 710 0463 | HVAC | Anaheim · Orange County | — | — |
| Ec Roofing INC | Eric Lynn Campbell | — | (562) 304 6982 | Other roofers | Huntington Beach · Orange County | — | — |
| Ec Tile & Marble | Ec Tile & Marble | — | (714) 925 5788 | Other | Orange · Orange County | — | — |
| Eca Construction & Builders INC | Edgar Chavero | — | (714) 818 6987 | GC, remodel, ADU | Costa Mesa · Orange County | — | — |
| Echo Contracting INC | Edward Anthony Encinias | — | (714) 425 5067 | GC, remodel, ADU | Santa Ana · Orange County | — | — |
| Echo Family Landscaping | Jake Jo | — | (949) 698 8387 | Windows, patio, painters | Irvine · Orange County | — | — |
| Echo Housing Corp | Tyler Moonkey Jo | — | (949) 815 5015 | GC, remodel, ADU | Irvine · Orange County | — | — |