| TTheranova | San Francisco | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| TFThermo Fisher Scientific | San Francisco | CA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| TWThe Window and Door Shop, INC. | San Francisco | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| TYThe Yard Puc | San Francisco | CA | Transportation Equipment Manufacturing336992 | — | ◇ UNVERIFIED |
| TSThomas-swan Sign Company | San Francisco | CA | Beverage and Tobacco Product Manufacturing312230 | — | ◇ UNVERIFIED |
| TLThorp Lane Inc. | San Francisco | CA | Food Manufacturing311821 | — | ◇ UNVERIFIED |
| TEThyssenkrupp Elevator Corporation | San Francisco | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| TWTim Wicks Painting | San Francisco | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| TCtinyB chocolate LLC | San Francisco | CA | Food Manufacturing311352 | — | ◇ UNVERIFIED |
| TTTom Taylor | San Francisco | CA | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| TSTonal Systems INC | San Francisco | CA | Electrical Equipment, Appliance & Component Manufacturing335910 | — | ◇ UNVERIFIED |
| TPTransamerica Pyramid | San Francisco | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| TETrayer Engineering CORP | San Francisco | CA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| TITreasure Island | San Francisco | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TITreasure Island Development Authority | San Francisco | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| TITrilobio INC | San Francisco | CA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| TGTrue Gentlemen's Jerky | San Francisco | CA | Food Manufacturing311919 | — | ◇ UNVERIFIED |
| UPUcsf/hunters Point | San Francisco | CA | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| USUnion Street Coffee Roastery INC | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| UCUnited Cabinet | San Francisco | CA | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| UTUnited Technologies Otis Eleva | San Francisco | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| VTViaex Technologies INC | San Francisco | CA | Textile Mills313230 | — | ◇ UNVERIFIED |
| VBVicente Beauty Salon | San Francisco | CA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| VEVintage Elevator Services | San Francisco | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| VEVintage Elevator Services | San Francisco | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| VEVintage Elevator Services | San Francisco | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| VEVintage Elevator Services | San Francisco | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| VEVintage Elevator Services | San Francisco | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| VEVintage Elevator Services | San Francisco | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| VEVintage Elevator Services | San Francisco | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| VEVintage Elevator Services | San Francisco | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| VEVintage Elevator Services | San Francisco | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| VVVirtuous Vittles INC. | San Francisco | CA | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| VUVitasoy USA | San Francisco | CA | Food Manufacturing311224 | — | ◇ UNVERIFIED |
| VDVittorio Durzo | San Francisco | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| VCVolta Charging LLC | San Francisco | CA | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| WPWatermark Press C/o Gsl Fine Lithographers | San Francisco | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| WCWearable Confidence LLC | San Francisco | CA | Apparel Manufacturing315220 | — | ◇ UNVERIFIED |
| WLWenwai Lin Dba Globia Design Group | San Francisco | CA | Apparel Manufacturing315211 | — | ◇ UNVERIFIED |
| WWWen Wei Lin Dba Globia Design Group | San Francisco | CA | Apparel Manufacturing315211 | — | ◇ UNVERIFIED |
| WCWest Coast Contractors Services | San Francisco | CA | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| WCWest Coast Industries | San Francisco | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| WEWest Edge Design | San Francisco | CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| WFWestern Flooring CORP. | San Francisco | CA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| WPWestern Printing Ink | San Francisco | CA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| WSWESTERN STEEL & WIRE INC. | San Francisco | CA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| WLWework LLC | San Francisco | CA | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| WSWilliams Sonoma | San Francisco | CA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| WIWilliams-sonoma INC. | San Francisco | CA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| WOWilmar Oil & Fats | San Francisco | CA | Food Manufacturing311225 | — | ◇ UNVERIFIED |
