| RRRobertson Recreational Surfaces | Oakland | CA | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| RARockridge Antiques | Oakland | CA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| RCRolls-royce Corporation | Oakland | CA | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| RERosa Ella Belmonte Dba Coliseum Sandblasting | Oakland | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| RTRose's Taproom | Oakland | CA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| RTRouse Tire Service, INC. | Oakland | CA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| RIRubberrock INC | Oakland | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| SLSafeworks LLC | Oakland | CA | Machinery Manufacturing333923 | — | ◇ UNVERIFIED |
| SASatellite Affordable Housing Associates | Oakland | CA | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| SISaxco International LLC Dba California Glass | Oakland | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| SSSchnitzer Steel | Oakland | CA | Leather and Allied Product Manufacturing316110 | — | ◇ UNVERIFIED |
| SBScott Brennan | Oakland | CA | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| SGSequoyah Graphics | Oakland | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SFSf French Bread CO. Aka Colombo Bakery | Oakland | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| SSSg Scientific Dba Peridot Labs | Oakland | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| SMSiemens Mobility INC | Oakland | CA | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| SPSierra Pacific | Oakland | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SPSiu's Products and Distributor | Oakland | CA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| SPSolstice Press | Oakland | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SCSpecialty Crushing INC | Oakland | CA | Beverage and Tobacco Product Manufacturing312230 | — | ◇ UNVERIFIED |
| SOSpelled Out Signs LLC | Oakland | CA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SLSrsf LLC Dba Soul Remedy Extracts | Oakland | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| STS T Johnson Company | Oakland | CA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| SMSublime Machining INC | Oakland | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SMSublime Machining-sublime Canna | Oakland | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SCSugarsweet Cookies & Cake Studio | Oakland | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| SCSullivan Counter Tops | Oakland | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| SKSunrise K. CO. | Oakland | CA | Apparel Manufacturing315280 | — | ◇ UNVERIFIED |
| SSSunrise Specialty Company | Oakland | CA | Fabricated Metal Product Manufacturing332913 | — | ◇ UNVERIFIED |
| SSSvenhards Swedish Bakery, INC. | Oakland | CA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| TITc Ii 7200 Bancroft, LLC | Oakland | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| TFTenma Family LLC | Oakland | CA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
 Tension Envelope Company | Oakland | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| THThe Home Depot #1007 | Oakland | CA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| TMThe Modern Hanger Boutique Llc | Oakland | CA | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| TSThe Shop Research and Design LLC | Oakland | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| TXThe Xocolate Bar | Oakland | CA | Food Manufacturing311351 | — | ◇ UNVERIFIED |
| TTTkb Trading LLC | Oakland | CA | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| TATower Apartments | Oakland | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| TTowlift | Oakland | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| TATriple a Roasters | Oakland | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| TTuopu | Oakland | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| TCTwo Chicks in the Mix LLC | Oakland | CA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| UEUnique Elevator Interiors, INC | Oakland | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| UFUniversal Foods CORP | Oakland | CA | Food Manufacturing311991 | — | ◇ UNVERIFIED |
| UDUS Department of the Treasury | Oakland | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| VTVa Transportation INC. | Oakland | CA | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| VOVegged Out, LLC | Oakland | CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| VLVida Labs, LLC | Oakland | CA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| VEVintage Elevator Services | Oakland | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
