| Arch Plumbing INC | Guadalupe Guillermo Gonzalez | — | (415) 375 0302 | HVAC | San Francisco · San Francisco County | — | — |
| Archetype Construction Corp | Mi Wang | — | (510) 918 2826 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Archetype Sign Installations | Archetype Sign Installations | — | (415) 410 3028 | Other | San Francisco · San Francisco County | — | — |
| Architectural Floors | Architectural Floors | — | (415) 586 7631 | Other | San Francisco · San Francisco County | — | — |
| Arco Painting Co | Lazarakis Konstantinos | — | (415) 341 5155 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| Arellano's Wood Windows | Arellano's Wood Windows | — | (415) 282-8362 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| Aremtech INC | Apramjeet Singh Ghuman | — | (415) 467 5409 | HVAC | San Francisco · San Francisco County | — | — |
| Arevalo Painting INC | Lobato Roque | — | (415) 235 3785 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| Argiosan Painting INC | Julio Anibal Yerena Resendiz | — | (415) 305 8880 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| Argo Construction INC | Goltser Arkadiy | — | (415) 850 0857 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Argo Tile And Stone | Marta Rita Azzolino | — | (510) 714 5085 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Arias Contractor | Arias Contractor | — | (415) 240 1181 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Arise Remodeling | Chaz Ari Kussoy | — | (415) 519 1381 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Ark Hardwood Flooring INC | Simonyan Arman | info@arkhardwoodflooring.com | (415) 439 9955 | Other | San Francisco · San Francisco County | — | — |
| Arm Prime Construction INC | Narek Mkhitaryan | — | (415) 254 5437 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Armada Mobile Security Patrol | Armada Mobile Security Patrol | — | (415) 533-5534 | Alarm and generators | San Francisco · San Francisco County | — | — |
| Armada Protective Services Inc. (armada Security) | Armada Protective Services Inc. (armada Security) | mb@armadasecurity.com | (415) 647-8500 | Alarm and generators | San Francisco · San Francisco County | — | — |
| Armstrong Carpet & Linoleum Co | Geofrey John Caldwell | — | (415) 751 2827 | Other | San Francisco · San Francisco County | — | — |
| Arnest Inspections | Arnest Inspections | — | (415) 533-2315 | Inspectors | San Francisco · San Francisco County | — | — |
| Arnold And Egan Manufacturing Company | Rosalinda Egan | — | (415) 822 2700 | Other | San Francisco · San Francisco County | — | — |
| Arriaga General Home Construction INC | Salome Raul Manzanarez | — | (415) 660 6180 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Arrow Plumbing | Leonid Royter | — | (415) 317 2351 | Other | San Francisco · San Francisco County | — | — |
| Arshan Construction & Remodeling | Bair Arshaev | — | (415) 307 0233 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Art & Alchemy | Kevin Barry Artt | — | (415) 756 4608 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| Art Electrical Services And More | Art Electrical Services And More | — | (415) 309-2797 | Electricians | San Francisco · San Francisco County | — | — |
| Artal Properties | Artal Properties | — | (415) 999 5545 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Artane Construction | Brendan Gerard Doyle | — | (415) 407 1619 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Artex Construction | Alayan Artur | — | (415) 254 8931 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Artex Construction INC | Artur Alayan | — | (415) 254 8931 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Artex Flooring INC | Alayan Artur | art@artexflooring.com | (415) 254 8931 | Other | San Francisco · San Francisco County | — | — |
| Arthur Remodeling | Arthur Remodeling | — | (415) 370 7201 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Artisans Landscape INC | Elliot Scott Goliger | elliot@artisanslandscape.com | (415) 594 9090 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| As Plus Plumbing Corp | Marco Antonio Mas Laynez | — | (415) 378 3747 | Other | San Francisco · San Francisco County | — | — |
| Ashbury General Contracting And Engineering | Kevin Gregory Born | — | (415) 756 4260 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Ashley Building And Renovations | Ashley Building And Renovations | — | (415) 571 0950 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Ashley Construction | Ashley Weiping Lin | interested@domainmarket.com | (207) 415 0247 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Ashot Baghdiyan | Ashot Baghdiyan | ab@recagroupinc.com | (415) 577 0516 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Ashton Pacific Builders INC | Lloyd William Ashton | — | (510) 710 1404 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Aspen Contractors INC | Steve Kai Fu Chan | — | (415) 442 1818 | Electricians | San Francisco · San Francisco County | — | — |
| Associated Builders | John Hee Chung | — | (415) 285 6200 | Other roofers | San Francisco · San Francisco County | — | — |