| Edwin Construction INC | Edwin Adalberto Duarte | — | (925) 207 8647 | GC, remodel, ADU | Colton · San Bernardino County | — | — |
| Efficient Concrete Coring | Efficient Concrete Coring | effcc2023@gmail.com | (909) 452 3775 | Other | Fontana · San Bernardino County | — | — |
| Effina | Jorge Jr Hernandez | — | (909) 732 2373 | HVAC | Ontario · San Bernardino County | — | — |
| Efs Plumbing & Hydro Jetting | Alonzo Gomez | — | (909) 644 1582 | GC, remodel, ADU | Rancho Cucamonga · San Bernardino County | — | — |
| Eg & Ma Drywall INC | Perez Eulogio Gomez | — | (562) 846 6517 | Other | Cedar Glen · San Bernardino County | — | — |
| Eg Landscaping | Eg Landscaping | — | (909) 964 6611 | Windows, patio, painters | Ontario · San Bernardino County | — | — |
| Ega Heating And Air Conditioning | Ega Heating And Air Conditioning | — | (951) 347 2772 | HVAC | Rialto · San Bernardino County | — | — |
| Egmg Low Voltage & Access | Ernesto Guadalupe Morales Galvez | — | (909) 361 9515 | Other | San Bernardino · San Bernardino County | — | — |
| Ej Electric | Uinisi Fonua | — | (909) 704 5289 | Electricians | Loma Linda · San Bernardino County | — | — |
| Ek Electric LLC | Ryan Jacob Reynolds | — | (760) 985 2008 | Electricians | Lucerne Valley · San Bernardino County | — | — |
| Ekb INC | Scott Wade Stephens | — | (909) 527 3336 | GC, remodel, ADU | Rancho Cucamonga · San Bernardino County | — | — |
| Eklund Fencing And Gates | Alexis Vannessa Eklund | — | (909) 980 3990 | Other | Alta Loma · San Bernardino County | — | — |
| Ekstensive Framing | Ekstensive Framing | — | (909) 376 6164 | GC, remodel, ADU | Yucaipa · San Bernardino County | — | — |
| El Agave Landscape | El Agave Landscape | — | (909) 900 5993 | Windows, patio, painters | Fontana · San Bernardino County | — | — |
| El Ca Landscape | El Ca Landscape | — | (909) 731 9898 | Windows, patio, painters | Montclair · San Bernardino County | — | — |
| El Dorado Concrete | Sidney Sherman Dorado | — | (760) 490 5439 | Other | Hesperia · San Bernardino County | — | — |
| El Dorado Concrete INC | Zavala Francisco Diego | — | (714) 623 6492 | Other | San Bernardino · San Bernardino County | — | — |
| El-co Contractors INC | Guy Allen Evans | — | (909) 887 2610 | Pool | San Bernardino · San Bernardino County | — | — |
| Elbadry Construction | Nader E Hanna | — | (909) 244 8796 | GC, remodel, ADU | Fontana · San Bernardino County | — | — |
| Elco Construction | Eric Linne Christensen | — | (909) 376 7557 | GC, remodel, ADU | Redlands · San Bernardino County | — | — |
| Elder Industries INC | Mary Ellen Elder | — | (626) 253 7570 | GC, remodel, ADU | Upland · San Bernardino County | — | — |
| Eleazar's Roofing | Gonzalez-juarez Eleazar | — | (909) 282 3157 | Other roofers | Redlands · San Bernardino County | — | — |
| Elecnor Belco Electric INC | Leonardo Frances Sancho | — | (909) 993 5470 | Electricians | Chino · San Bernardino County | — | — |
| Elecnor Hawkeye LLC | John Loon-Hae Wong | — | (909) 993 5470 | Electricians | Chino · San Bernardino County | — | — |
| Elecnor INC | John Loon-Hae Wong | elecnor@elecnor.com | (909) 993 5470 | Electricians | Chino · San Bernardino County | — | — |
| Electric Avenue | Linares Jhovanny | — | (760) 628 6485 | HVAC | Apple Valley · San Bernardino County | — | — |
| Electric System Inertia INC | Scott Ballardo | — | (907) 408 2390 | Electricians | Fontana · San Bernardino County | — | — |
| Electric Vehicle Construction | Luis Antonio Garcia | — | (909) 931 3841 | EV chargers | Upland · San Bernardino County | — | — |
| Electrical Best Services INC | Pedro Geovanni Alvarez | — | (909) 284 0034 | Electricians | Ontario · San Bernardino County | — | — |
| Electrical Continuous Improvement INC | Raymond Ramon Garcia | info@electricalcontinuousimprovement.com | (909) 793 4600 | Electricians | Redlands · San Bernardino County | — | — |
| Electrical Craft Solutions | Daniel Rios | — | (909) 269 0455 | Electricians | San Bernardino · San Bernardino County | — | — |
| Electrical Giants Contractors LLC | Corey Michael Bordes | — | (909) 333 6306 | Electricians | Rancho Cucamonga · San Bernardino County | — | — |
| Electrical Secure Innovations | Palacios Ramon | — | (626) 377 0559 | Electricians | Rancho Cucamonga · San Bernardino County | — | — |
| Electrical Services | John Howard Jr Myer | — | (909) 904 4117 | Electricians | Fontana · San Bernardino County | — | — |
| Electrical Services | Vinicio Romero | — | (909) 464 8542 | Electricians | Ontario · San Bernardino County | — | — |
| Electrical Systems Unlimited LLC | Jason Eric Mcgallian | — | (951) 255 6101 | Electricians | Fontana · San Bernardino County | — | — |
| Electrical Troubleshooting Solutions | Jaime Enrique Escalante | — | (562) 324 1668 | Electricians | San Bernardino · San Bernardino County | — | — |
| Electricore Signs | Electricore Signs | — | (909) 437 1584 | Other | Montclair · San Bernardino County | — | — |
| Electrofix Construction | Sergio Humberto Rodriguez Guerrero | — | (909) 764 4438 | GC, remodel, ADU | Twin Peaks · San Bernardino County | — | — |
| Electus Drywall | David Navarro | — | (909) 477 1779 | Other | Rancho Cucamonga · San Bernardino County | — | — |