| Empire Connections INC | Alejandro Medina | — | (951) 732 1980 | Other | Riverside · Riverside County | — | — |
| Empire Construction | Espinoza Anastacio | — | (714) 227 6606 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Empire Construction Services | Jeffrey Adam Aguirre | — | (760) 403 4068 | GC, remodel, ADU | Palm Desert · Riverside County | — | — |
| Empire Custom Cabinets | Francisco Jr Valencia | — | (657) 622 9843 | Other | Perris · Riverside County | — | — |
| Empire Custom Cooling INC | Travis Eugene Jr Cross | — | (951) 961 8690 | HVAC | Riverside · Riverside County | — | — |
| Empire Demolition INC | Kristopher Allan Huff | — | (714) 412 1686 | Other | Corona · Riverside County | — | — |
| Empire Drywall Group INC | Manuel Edward Valenzuela | — | (909) 769 7839 | Other | Calimesa · Riverside County | — | — |
| Empire Equipment Service INC | Joshua Joseph Steffy | — | (951) 681 1345 | Other | Mira Loma · Riverside County | — | — |
| Empire Excavating LLC | Dieter Stens | — | (951) 371 3799 | Other | Corona · Riverside County | — | — |
| Empire Fence | Empire Fence | — | (951) 398 2016 | Other | Jurupa Valley · Riverside County | — | — |
| Empire Gate Automation | Empire Gate Automation | — | (949) 836 4294 | Other | Desert Hot Springs · Riverside County | — | — |
| Empire Heating And Air Conditioning | Empire Heating And Air Conditioning | — | (951) 206 5399 | HVAC | Calimesa · Riverside County | — | — |
| Empire Industrial Services LLC | Gabriel Andrew Arenivar | — | (909) 562 6903 | Other | Calimesa · Riverside County | — | — |
| Empire Kitchen & Bath | George Michael Allen | — | (951) 377 1974 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Empire Landscape Construction | Juan U Majalca | — | (619) 861 9006 | Windows, patio, painters | Menifee · Riverside County | — | — |
| Empire Meters INC | Brittany Ashley Anguiano | — | (951) 768 2556 | Other | Corona · Riverside County | — | — |
| Empire Millworks | Landon James Malmberg | — | (951) 858 2491 | Other | Corona · Riverside County | — | — |
| Empire Partitions And Specialties INC | Michael Joseph Reed | — | (951) 538 3639 | Other | Canyon Lake · Riverside County | — | — |
| Empire Paving | Empire Paving | — | (951) 288 3634 | Other | Perris · Riverside County | — | — |
| Empire Paving Company | Lazrovich Deaniejoe | — | (950) 288 3634 | Other | Perris · Riverside County | — | — |
| Empire Plumbing Solutions INC DBA Eps | Rene Valero | — | (951) 379 8926 | Other | Riverside · Riverside County | — | — |
| Empire Pool Construction | Charles Edward Osuna | — | (951) 847 8402 | Pool | Corona · Riverside County | — | — |
| Empire Power LLC | Sean Patrick Merrigan | — | (909) 258 9111 | Electricians | Corona · Riverside County | — | — |
| Empire Power Solutions | Empire Power Solutions | — | (951) 264 4606 | Electricians | Riverside · Riverside County | — | — |
| Empire Pro AC INC | Andrew Ryan Chagollan | — | (626) 230 6983 | HVAC | Beaumont · Riverside County | — | — |
| Empire Pt INC | Francisco Javier Covarrubias | — | (951) 434 3059 | Other | Perris · Riverside County | — | — |
| Empire Sign & Crane Service INC | Michael Alan Moore | — | (909) 322 8079 | Other | Canyon Lake · Riverside County | — | — |
| Empire Stone & Tile | Empire Stone & Tile | — | (951) 227 0025 | Other | Menifee · Riverside County | — | — |
| Empire Technologies Group INC | Maynerd Estrada | — | (909) 466 1316 | Other | Riverside · Riverside County | — | — |
| Empire Trenching INC | Alejandro Munoz | — | (951) 741 5522 | Other | Corona · Riverside County | — | — |
| Empire Warrior's Construction INC | Alberto Espadas Guerrero | — | (760) 674 6773 | GC, remodel, ADU | Desert Hot Springs · Riverside County | — | — |
| Empower America Corp | Michael Robert Mitchell | — | (951) 455 6101 | Electricians | Moreno Valley · Riverside County | — | — |
| Empower Construction Corp | Ibrahim | — | (310) 985 3137 | GC, remodel, ADU | Moreno Valley · Riverside County | — | — |
| Empyrean Plumbing INC | David Andrew Koralewski | — | (951) 776 4616 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| En Route Leak Detection And Plumbing | Nicolas Iv Roque | — | (877) 367 6881 | GC, remodel, ADU | Menifee · Riverside County | — | — |
| Encas Construction Corp | Jonathan Enrique Castro Velazco | — | (951) 423 4550 | GC, remodel, ADU | Perris · Riverside County | — | — |
| Encinas Construction INC | Daniel Rivera | info@encinasconstruction.com | (714) 805 2458 | GC, remodel, ADU | Moreno Valley · Riverside County | — | — |
| Enciso's Electric INC | Carlos Alberto Enciso Verduzco | — | (951) 858 0425 | Electricians | Riverside · Riverside County | — | — |
| Encore Plumbing Heating And Air Conditioning | Derek Brandon Eastham | — | (951) 219 0280 | HVAC | Murrieta · Riverside County | — | — |
| End-point Wireless | End-point Wireless | — | (951) 756 6900 | GC, remodel, ADU | Menifee · Riverside County | — | — |