| E Glz Orange Painting Co | Gomez Evelyn Gonzalez | — | (714) 457 3067 | Windows, patio, painters | Lake Elsinore · Riverside County | — | — |
| E J S Construction | Edward James Serrano | — | (562) 355 0932 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| E J Singelyn | E J Singelyn | — | (951) 245 7000 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| E L B A C | E L B A C | — | (855) 884 6782 | Other roofers | Corona · Riverside County | — | — |
| E L R General Contractor | E L R General Contractor | — | (760) 406 1500 | GC, remodel, ADU | Cathedral City · Riverside County | — | — |
| E L Yeager Construction Company | Jacques Stalder Jr Yeager | — | (909) 721 9734 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| E M D Construction INC | Jose Ovidio Portillo | — | (760) 534 0506 | GC, remodel, ADU | Palm Springs · Riverside County | — | — |
| E M Electric | Edward Stanley Maszczak | — | (951) 229 8318 | Electricians | Homeland · Riverside County | — | — |
| E M I Paint Enterprise | Edwing Hernan Morales Franco | — | (909) 900 1968 | Windows, patio, painters | Moreno Valley · Riverside County | — | — |
| E M L Electric | Maciel Lopez Ernesto | — | (760) 391 7792 | Electricians | Coachella · Riverside County | — | — |
| E M S Restoration & Construction INC | David Robert Borcsa | — | (951) 602 0309 | GC, remodel, ADU | Corona · Riverside County | — | — |
| E M T HVAC | E M T HVAC | — | (619) 791 6240 | HVAC | Murrieta · Riverside County | — | — |
| E O S Construction Co | Ester O'neal Stevens | — | (951) 850 1155 | GC, remodel, ADU | Wildomar · Riverside County | — | — |
| E P Plumbing Corporation | Enrique Pineda | — | (310) 946 6074 | Other | Moreno Valley · Riverside County | — | — |
| E Parra Construction Corp | Enrique Parra | — | (909) 725 8872 | GC, remodel, ADU | Banning · Riverside County | — | — |
| E Q Landscaping & Maintenance INC | Emmanuel Quevedo | — | (760) 485 9585 | Windows, patio, painters | La Quinta · Riverside County | — | — |
| E R Block Plumbing | Stacy Lynn Ross | — | (951) 687 4011 | Other | Riverside · Riverside County | — | — |
| E R Construction Company | Remmling Erich | — | (760) 815 6842 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| E R Handyman Service | Edward Raymond Reid | — | (951) 350 9653 | GC, remodel, ADU | Banning · Riverside County | — | — |
| E R S Floor Covering | E R S Floor Covering | — | (760) 403 5154 | Other | Temecula · Riverside County | — | — |
| E S F LLC | Duane Rene Mousseau | — | (714) 553 2728 | Electricians | La Quinta · Riverside County | — | — |
| E S Fencing | E S Fencing | — | (951) 454 3060 | Other | Canyon Lake · Riverside County | — | — |
| E S M Tile & Marble | Miguel Angel Lopez | — | (951) 897 5659 | Other | San Jacinto · Riverside County | — | — |
| E S Ornamental Gates | E S Ornamental Gates | — | (909) 731 6043 | Other | Moreno Valley · Riverside County | — | — |
| E S S Construction INC | Edoardo Sebastian Sciommeri | — | (951) 780 8248 | GC, remodel, ADU | Norco · Riverside County | — | — |
| E T C Garage Doors | E T C Garage Doors | — | (909) 631 1045 | Other | Rubidoux · Riverside County | — | — |
| E T Enterprises | Ernesto Dionisio Vique | — | (949) 230 1073 | Windows, patio, painters | Aguanga · Riverside County | — | — |
| E W Harmon INC | Chad Wayne Harmon | — | (951) 371 0272 | Other | Norco · Riverside County | — | — |
| E Z Air Heating & Air Conditioning INC | Zamora Zamora Eduardo | — | (951) 367 8457 | HVAC | Moreno Valley · Riverside County | — | — |
| E Z Plumbing | E Z Plumbing | — | (760) 641 9683 | Other | Desert Hot Springs · Riverside County | — | — |
| E&e Fence Co | Ordonez Elco Trujillo | — | (951) 616 8553 | Other | Beaumont · Riverside County | — | — |
| E&y Roofing | Ordaz Eliu Iniguez | — | (949) 528 7781 | Other roofers | Corona · Riverside County | — | — |
| E-z Asphalt Service | Michael George Lazrovich | — | (408) 757 6586 | Other | Perris · Riverside County | — | — |
| E4 Control Systems INC | John Francis Wilcox | — | (760) 815 0346 | Electricians | Corona · Riverside County | — | — |
| Ea Construction | Edgar De Jesus Hernandez Aguilar | — | (760) 969 8871 | GC, remodel, ADU | Palm Desert · Riverside County | — | — |
| Eagle Air | Eagle Air | — | (760) 345 5784 | HVAC | Bermuda Dunes · Riverside County | — | — |
| Eagle Concrete Construction | Jose Daniel Gutierrez | — | (951) 757 2446 | Other | Lake Elsinore · Riverside County | — | — |
| Eagle Concrete Sawing & Breaking INC | Guillermo Gutierrez | — | (951) 250 0028 | Other | Riverside · Riverside County | — | — |
| Eagle Construction Company INC | Scott Stanley Cyphers | — | (760) 668 2634 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Eagle Custom Construction | Perez Torres Omar | — | (442) 599 2860 | GC, remodel, ADU | Indio · Riverside County | — | — |