| ABAstound Broadband | San Francisco | CA | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| AMAstro Mechanica | San Francisco | CA | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| ASAtlas Screw Machine Products | San Francisco | CA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| ASAtomic Semi INC | San Francisco | CA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| AMAt&t Mobility /at&t Services | San Francisco | CA | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| ATAugmental Technologies INC | San Francisco | CA | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| AIAutodesk INC | San Francisco | CA | Computer and Electronic Product Manufacturing334610 | — | ◇ UNVERIFIED |
| AEAuto Express Tow | San Francisco | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| AEAuto Express Towing & Recovery LLC | San Francisco | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| AFAva Food Labs INC Dba Endless West | San Francisco | CA | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
| ACAvenue Cyclery | San Francisco | CA | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| AMAvvio Medical | San Francisco | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| ALAxcho LLC | San Francisco | CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| BBBabylon Biosciences, INC. | San Francisco | CA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| BCBartlett Cabinetry | San Francisco | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| BBasa | San Francisco | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| BHBayer Healthcare LLC | San Francisco | CA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| B4Bcal 44 Montgomery Property | San Francisco | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| BBeanery | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| BRBedrock Ready Mix Service INC | San Francisco | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BBBernal Bakery Inc. | San Francisco | CA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| BSBethlehem Steel CORP San Francisco Yd | San Francisco | CA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| BPBioq Pharma INC | San Francisco | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| BABismark Auto Body & Paint | San Francisco | CA | Transportation Equipment Manufacturing336992 | — | ◇ UNVERIFIED |
| BCBlack Crate Designs | San Francisco | CA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| BJBlack Jet Baking Co. | San Francisco | CA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| BSBlueprint Studios | San Francisco | CA | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| BBm-ai-llc | San Francisco | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BGBode Gravel CO | San Francisco | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BDBorden Decal Company | San Francisco | CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| BBoxcabco | San Francisco | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| BIBragg Investment Company INC. | San Francisco | CA | Machinery Manufacturing333923 | — | ◇ UNVERIFIED |
| BCBrannan Cleaners, INC. | San Francisco | CA | Machinery Manufacturing333312 | — | ◇ UNVERIFIED |
| BBBreadbelly B12, Inc | San Francisco | CA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| BRBrighten Restaurant Service | San Francisco | CA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| BEBrothers Energy Incorporated | San Francisco | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| BCBusiness Cards Tomorrow | San Francisco | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CCCaffe Classico INC | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| CDCaffe D'melanio | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| CRCaffe Roma Coffee CO | San Francisco | CA | Beverage and Tobacco Product Manufacturing312112 | — | ◇ UNVERIFIED |
| CRCaffe Roma Coffee Roasting CO | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| CSCaffe Soma Coffee | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| CTCaffe Trieste | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| CTCaffe Trieste | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| CTCaffe Trieste INC | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| CACalifornia Auto Care | San Francisco | CA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| CMCalifornia Model & Design Group INC | San Francisco | CA | Electrical Equipment, Appliance & Component Manufacturing335121 | — | ◇ UNVERIFIED |
| COCalifornia Office Service | San Francisco | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
Capella Space | San Francisco | CA | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| CWCarla Way Kuen Lee Dba L & L Manufacturer | San Francisco | CA | Apparel Manufacturing315299 | — | ◇ UNVERIFIED |