| 1 Original Construction INC | George Vladimir Troosh | interested@domainmarket.com | (415) 420 5509 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 2040 Builders | Tariq Ezzat Ayyad | — | (415) 815 7992 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 21st Century Home Improvement Painting & Roofing | Mark Francis Newbury | — | (415) 974 1234 | Other roofers | San Francisco · San Francisco County | — | — |
| 24 Hour Construction INC | Junio Da Silva Costa | — | (415) 215 8300 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 24/7 Sf Handyman & Remodeling Service | Harpinderjit Singh | — | (415) 304 1559 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 24/7 Waar General Building Contracting Corp | Wilson Alexander Aplicano Rodgriguez | — | (415) 812 8619 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 2revamp Onsite INC | Jed Daniel Shreve | — | (925) 586 5229 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 3 Fingers Painting INC | Sopheap Phang | — | (646) 407 2131 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| 3B T's Construction Company | Raymond Jin Song Tan | — | (415) 859 9289 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 3H Builders | Clayton Karyen Wu | — | (415) 519 2106 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 4-ever's Painting INC | Ever Wilfredo Molina Maye | — | (415) 747 4518 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| 4-mac | Tambriz Manuel Ambrocio | — | (415) 298 5546 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 415 Construction & Electrical | Raul Del Campo Gonzales | — | (415) 260 0984 | Electricians | San Francisco · San Francisco County | — | — |
| 415 Electric | Gregory Leonard Barnes | — | (415) 578 6000 | Electricians | San Francisco · San Francisco County | — | — |
| 415 Remodeling INC | Aaron Lee Gordon | — | (415) 682 4242 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 415 Roofing Corp | Garcia-apantenco Manuel | — | (415) 637 3375 | Other roofers | San Francisco · San Francisco County | — | — |
| 5 Star Pipes | 5 Star Pipes | — | (415) 405 5067 | Other | San Francisco · San Francisco County | — | — |
| 5 Star Plumbing & Rooter | Saul Jr Padilla | — | (415) 410 4420 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 7 Hills Construction | Michael David Conrad | impallari@gmail.com | (415) 565 9447 | Electricians | San Francisco · San Francisco County | — | — |
| 7 Squared Electrical | Quan Pamela | — | (818) 282 0082 | Electricians | San Francisco · San Francisco County | — | — |
| 7x7 Construction | Construction INC Loughran | — | (415) 713 1293 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 8 A Plumbing | 8 A Plumbing | — | (510) 815 4029 | Other | San Francisco · San Francisco County | — | — |
| 8 Express Construction | Ming Zhong Liang | — | (415) 306 1919 | Electricians | San Francisco · San Francisco County | — | — |
| 8 Success Construction | Sophia Hui Xian Cai | — | (415) 309 1800 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| A & A Plumbing | A & A Plumbing | — | (415) 672 1640 | Other | San Francisco · San Francisco County | — | — |
| A & E Electric | Amorsolo Apostol Asuncion | — | (415) 587 3414 | Electricians | San Francisco · San Francisco County | — | — |
| A & H Door And Access Control | Walter Rafael Rojas | — | (650) 271 0291 | Other | San Francisco · San Francisco County | — | — |
| A & K Plumbing INC | Zhanhong Zeng | — | (415) 205 7091 | Other | San Francisco · San Francisco County | — | — |
| A & R Plumbing | William Javier Mendieta | — | (415) 586 6851 | Other | San Francisco · San Francisco County | — | — |
| A + General Construction INC | Chiu Kan Wong | — | (415) 602 2585 | HVAC | San Francisco · San Francisco County | — | — |
| A - 1 Drywall LLC | Villa Christian | — | (510) 969 9255 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| A - Tech Electric INC | Henry Lin | — | (415) 308 8649 | Electricians | San Francisco · San Francisco County | — | — |
| A 24 Electric Co | Weisberg Edward | — | (415) 664 6611 | Electricians | San Francisco · San Francisco County | — | — |
| A A Discount Phone System | A A Discount Phone System | — | (415) 664 8000 | Other | San Francisco · San Francisco County | — | — |
| A A P T Construction Co | Chan Chi Chiang | — | (510) 621 3673 | Electricians | San Francisco · San Francisco County | — | — |
| A B C City Electric | Hau Sum Chan | — | (415) 860 8372 | Electricians | San Francisco · San Francisco County | — | — |
| A B C Roofing INC | Carlos A Gonzalez Rodriguez | — | (415) 822 5003 | Other roofers | San Francisco · San Francisco County | — | — |
| A B F Construction | Pedraza Francisco Flores | — | (415) 516 9765 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| A C And Company | Arthur Garcia Campos | — | (415) 626 8877 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| A C B INC | Agranovsky Gene | — | (415) 235 9673 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |