| Ernest Construction Company | Wang Chengpeng | ernie@ernest-construction.com | (626) 863 9151 | GC, remodel, ADU | Chino Hills · San Bernardino County | — | — |
| Ernest J De Leon Construction | Ernest Jerome Jr De Leon | — | (909) 517 2451 | GC, remodel, ADU | Chino Hills · San Bernardino County | — | — |
| Ernesto Barberi | Ernesto Barberi | — | (909) 513 8430 | GC, remodel, ADU | Ontario · San Bernardino County | — | — |
| Erny's Construction | Garcia Rodriguez Ernesto | — | (909) 910 5818 | GC, remodel, ADU | San Bernardino · San Bernardino County | — | — |
| Erv General Construction INC | Eduardo Alejandro Reyes Valencia | — | (909) 643 3553 | GC, remodel, ADU | Rialto · San Bernardino County | — | — |
| Ervin Construction | Tyrone Andre Ervin | — | (909) 763 1641 | GC, remodel, ADU | Colton · San Bernardino County | — | — |
| Erwin Advanced Air Systems | Erwin Advanced Air Systems | — | (909) 237 5365 | HVAC | Ontario · San Bernardino County | — | — |
| Es Facility Maintenance | Melissa Sue Franco | — | (760) 716 3689 | GC, remodel, ADU | Rancho Cucamonga · San Bernardino County | — | — |
| Esau Perea | Esau Perea | — | (460) 235 3024 | Other | Apple Valley · San Bernardino County | — | — |
| Esi Company | Dominguez Steward | — | (714) 654 6042 | Electricians | Chino · San Bernardino County | — | — |
| Eskimo Air Conditiong & Heating | Eskimo Air Conditiong & Heating | — | (909) 920 3700 | HVAC | Upland · San Bernardino County | — | — |
| Esmac Corporation | Esteban Chavez | — | (626) 715 3389 | GC, remodel, ADU | Chino Hills · San Bernardino County | — | — |
| Esparza Concrete Construction | Albert Joseph Esparza | — | (909) 723 2105 | Other | San Bernardino · San Bernardino County | — | — |
| Espie Electric Co | Espie Lee Parsha | — | (909) 623 4177 | Electricians | San Bernardino · San Bernardino County | — | — |
| Espinoza Roofing | Jesse Espinoza | — | (909) 949 0397 | Other roofers | Ontario · San Bernardino County | — | — |
| Espy's Electrical Services INC | Albert David Espinoza | — | (909) 672 8748 | Electricians | Apple Valley · San Bernardino County | — | — |
| Essential Comfort A C | Essential Comfort A C | — | (951) 897 3701 | HVAC | Fontana · San Bernardino County | — | — |
| Essential Home Builders INC | Garcia Ernesto | ernie@essentialhomsvcs.com | (760) 403 4078 | GC, remodel, ADU | Hesperia · San Bernardino County | — | — |
| Essential Plumbing Solutions | Essential Plumbing Solutions | — | (760) 403 4078 | GC, remodel, ADU | Oak Hills · San Bernardino County | — | — |
| Essential Works Electric | Jose Luis Ornelas Tapia | — | (909) 264 5755 | Electricians | Bloomington · San Bernardino County | — | — |
| Esteban Garcia | Esteban Garcia | — | (909) 782 6447 | GC, remodel, ADU | Fontana · San Bernardino County | — | — |
| Esteem Roofing | Erick Eun Ho Song | — | (323) 485 8080 | Other roofers | Upland · San Bernardino County | — | — |
| Estrada Contractors Corp | Miguel Angel Estrada | — | (760) 987 4473 | GC, remodel, ADU | Victorville · San Bernardino County | — | — |
| Estrada Masonry | Estrada Masonry | — | (442) 373 8878 | Other | Hesperia · San Bernardino County | — | — |
| Estrada's Construction Landscaping & Fencing | Jose Trinidad Estrada | — | (909) 725 6755 | GC, remodel, ADU | Big Bear Lake · San Bernardino County | — | — |
| Estrella's Specializing In Service And Installations INC | Edward Estrella | — | (909) 483 3010 | Other | Alta Loma · San Bernardino County | — | — |
| Ethan Joshua Adams | Ethan Joshua Adams | — | (909) 547 6363 | Electricians | Big Bear City · San Bernardino County | — | — |
| Ethical Electrical | Aaron Dominic Portesi | — | (909) 581 5800 | Electricians | Upland · San Bernardino County | — | — |
| Etiwanda Security Services INC | David James Haxton | — | (909) 815 8793 | Alarm and generators | Rancho Cucamonga · San Bernardino County | — | — |
| Etv Development INC | Emilio Miguel Dominguez | — | (626) 501 2517 | GC, remodel, ADU | Fontana · San Bernardino County | — | — |
| Eubanks Air INC | Scott Ashley Eubanks | — | (562) 290 2078 | HVAC | Fontana · San Bernardino County | — | — |
| Euclid Electric And Const Co | Theodore John Bautist Valdez | — | (909) 798 9369 | Electricians | Redlands · San Bernardino County | — | — |
| Eudave's Rooter & Plumbing | Eudave's Rooter & Plumbing | — | (909) 559 3517 | Other | Fontana · San Bernardino County | — | — |
| Eugene Hwang Painting Co | Chong Hae Hwang | — | (909) 556 2214 | Windows, patio, painters | Upland · San Bernardino County | — | — |
| Eugene Quintana | Eugene Quintana | — | (909) 696 9729 | Windows, patio, painters | Chino Hills · San Bernardino County | — | — |
| Eulink Low Voltage Solutions | Raymond Llamas | — | (562) 551 2722 | Other | Chino Hills · San Bernardino County | — | — |
| Eun Seon An | Eun Seon An | — | (760) 694 2656 | Windows, patio, painters | Upland · San Bernardino County | — | — |
| Euro - Stile INC | Mihai Rodin | — | (909) 289 3565 | Electricians | Yucaipa · San Bernardino County | — | — |
| Euro Construction INC | Mihai Emil Pirv | — | (949) 630 8565 | GC, remodel, ADU | Redlands · San Bernardino County | — | — |
| Euro Investments | Euro Investments | — | (909) 621 2826 | Other | Montclair · San Bernardino County | — | — |