| 877 New Look | Sean Thomas Oreilly | — | (916) 296 1932 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| 88 Builders | Weiying Zhu | — | (415) 264 5807 | GC, remodel, ADU | Daly City · San Mateo County | — | — |
| 88 Mechanical INC | Mike Salazar | — | (559) 916 3329 | HVAC | Fresno · Fresno County | — | — |
| 88 Sign Corp | Dan Han Luong | — | (626) 442 8033 | Electricians | South El Monte · Los Angeles County | — | — |
| 888 HVAC INC | Eli Farash | — | (310) 919 8800 | HVAC | Sherman Oaks · Los Angeles County | — | — |
| 888 Water Restoration LLC | Zidan Li | — | (626) 429 5898 | GC, remodel, ADU | Arcadia · Los Angeles County | — | — |
| 89 Construction LLC | Eric Zoek Hua Cheung | — | (415) 990 9138 | GC, remodel, ADU | Redding · Shasta County | — | — |
| 8A Builders | 8A Builders | — | (661) 289 0983 | GC, remodel, ADU | Santa Clarita · Los Angeles County | — | — |
| 8A Construction | Julio Alejandro Guerra Ochoa | — | (661) 808 7383 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| 8A Construction Services INC | Ivan Ochoa Moreno | — | (323) 896 3570 | GC, remodel, ADU | Ontario · San Bernardino County | — | — |
| 8A General Construction | Hugo Amilcar Ochoa Sandoval | — | (909) 693 0027 | GC, remodel, ADU | Baldwin Park · Los Angeles County | — | — |
| 8A Plumbing & Leak Detection | Pedro Jr Ochoa | — | (510) 334 4360 | Other | Olivehurst · Yuba County | — | — |
| 8A Renovation | 8A Renovation | — | (707) 337 5976 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| 8A Stone & Tile Surfaces | 8A Stone & Tile Surfaces | — | (209) 289 7657 | Other | Modesto · Stanislaus County | — | — |
| 8A Tile | 8A Tile | — | (818) 640 3295 | Other | North Hollywood · Los Angeles County | — | — |
| 8A Underground Pipeline | Juan Alberto Ochoa | — | (916) 883 9888 | Other | Sacramento · Sacramento County | — | — |
| 8a-concrete & Construction INC | Juan Jose Ochoa | — | (559) 375 4238 | GC, remodel, ADU | Fresno · Fresno County | — | — |
| 8d6 LLC | Juan Ramirez | — | (323) 646 0724 | GC, remodel, ADU | North Hills · Los Angeles County | — | — |
| 8lct Construction Co | Luong Tai Chi | — | (415) 823 8800 | GC, remodel, ADU | Ukiah · Mendocino County | — | — |
| 8pt Electrical Services INC | David Michael Scott | — | (562) 510 0110 | Electricians | Seal Beach · Orange County | — | — |
| 8th St Construction And Consulting | Shabani Reza | — | (619) 610 8750 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| 9 23 Paint | 9 23 Paint | — | (760) 808 6641 | Windows, patio, painters | Desert Hot Springs · Riverside County | — | — |
| 9 Builders INC | Hoang Minh Nguyen | — | (408) 647 6476 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| 9 Elevate | 9 Elevate | — | (916) 607 7663 | Other | Auburn · Placer County | — | — |
| 9 Islands Construction INC | Gil Norberto Boim | interested@domainmarket.com | (510) 935 4858 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| 9-dam Backflow Testing | 9-dam Backflow Testing | — | (951) 452 8023 | Other | Riverside · Riverside County | — | — |
| 90 Degree Construction | Gregory Carrillo Ramos | — | (909) 747 7556 | GC, remodel, ADU | Redlands · San Bernardino County | — | — |
| 90 Fence INC | Savino Sylvestre Carretero | — | (661) 429 9069 | Other | Palmdale · Los Angeles County | — | — |
| 9001 Build Group | Edvin Haghverdian | — | (818) 818 9001 | GC, remodel, ADU | Valencia · Los Angeles County | — | — |
| 909 Construction | Thomas Lin | — | (626) 766 1618 | GC, remodel, ADU | San Gabriel · Los Angeles County | — | — |
| 91 Plumbing Company | James Lewis Jr Bolin | — | (209) 552 5209 | Other | Modesto · Stanislaus County | — | — |
| 91 Volts | 91 Volts | — | (951) 232 7029 | Other | Alta Loma · San Bernardino County | — | — |
| 911 Attic Remodeling INC | Thomas Lewis Golston | — | (408) 769 1716 | GC, remodel, ADU | Canoga Park · Los Angeles County | — | — |
| 911 Construction & Electric INC | Haik Soualk Hairapetian | — | (747) 255 8595 | Electricians | Sunland · Los Angeles County | — | — |
| 911 Demo INC | Luis Miguel Lopez Gonzalez | — | (661) 302 5537 | Other | Bakersfield · Kern County | — | — |
| 911 Drain Lines And Plumbing | Christopher James Cline | — | (562) 810 1965 | HVAC | Orange · Orange County | — | — |
| 911 Garage Doors | 911 Garage Doors | — | (510) 292 1644 | Other | Hayward · Alameda County | — | — |
| 911 Plumbing | 911 Plumbing | — | (760) 427 5094 | GC, remodel, ADU | Imperial · Imperial County | — | — |
| 911 Plumbing & Drain Rescue INC | Michael Siamak Golshan | — | (619) 223-0911 | Other | San Diego · San Diego County | — | — |
| 911 Plumbing & Electric INC | Bella Gasparian | sufiyanawan4915@gmail.com | (559) 930 1922 | Other roofers | Fresno · Fresno County | — | — |