| GAGilberto Arellano Windows LLC | San Francisco | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| GGGiuliani-3236 Geary | San Francisco | CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| GFGivaudan Flavors Corporate Dba Mista | San Francisco | CA | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| GFGivaudan Flavors Corporation Dba Mista | San Francisco | CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| GEGolden Express Autobody | San Francisco | CA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| GIGolden Island Jewelry, INC. | San Francisco | CA | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| GSGonzalez Steel Drum CO | San Francisco | CA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| GPGourmet Plus INC | San Francisco | CA | Food Manufacturing311340 | — | ◇ UNVERIFIED |
| GCGraffeo Coffee Roasting Company | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| GSGraphic Sportswear | San Francisco | CA | Apparel Manufacturing315250 | — | ◇ UNVERIFIED |
| GSGraphic Sportswear | San Francisco | CA | Chemical Manufacturing325613 | — | ◇ UNVERIFIED |
| GSGraphic Sportswear | San Francisco | CA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| GSGuzman Suffolk Jv, LLC | San Francisco | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| GTGwendoline Tan Dba Gt Appreal | San Francisco | CA | Apparel Manufacturing315299 | — | ◇ UNVERIFIED |
| HCHamada Coffee Roastery & Cafe | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| HCHampton Creek Pilot Plant 2 | San Francisco | CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| HKHappy Kitten, LLC | San Francisco | CA | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| HRHarper Ryan Holdings | San Francisco | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| HRHarper Ryan Holdings | San Francisco | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| HMHaus Made INC Dba Budlette Confections | San Francisco | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| HTHenrietta Tam Dba Dragon Seed & Bridal Photography | San Francisco | CA | Apparel Manufacturing315239 | — | ◇ UNVERIFIED |
| HHHenry's House of Coffee | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| HPH&H Printing, Inc. | San Francisco | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
Highland Technology INC | San Francisco | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
Highland Technology, INC | San Francisco | CA | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| HIHijon INC. | San Francisco | CA | Apparel Manufacturing315212 | — | ◇ UNVERIFIED |
| HFHilde-brand Furniture INC. | San Francisco | CA | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| HNHoly Name School | San Francisco | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| HKHong Kong Printing | San Francisco | CA | Printing and Related Support Activities323117 | — | ◇ UNVERIFIED |
| HIHostelling International | San Francisco | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| HAHotel Americania | San Francisco | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| HQHoward Quinn Company | San Francisco | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| HLHsre-bw Lakeside Mob, LLC | San Francisco | CA | Textile Mills313310 | — | ◇ UNVERIFIED |
| HHumanmade | San Francisco | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| IBIbarra Brothers Printing | San Francisco | CA | Printing and Related Support Activities323112 | — | ◇ UNVERIFIED |
| ICIbm Corporation | San Francisco | CA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| ICIbm Corporation | San Francisco | CA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| IDIce Diamond INC. | San Francisco | CA | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| IDI D O Cabinet INC | San Francisco | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| IWIf & When Gourmet LLC | San Francisco | CA | Food Manufacturing311421 | — | ◇ UNVERIFIED |
| IIIllumina INC | San Francisco | CA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| IAImperial Auto Painting | San Francisco | CA | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| IMIntegra Microfluidics Corporation | San Francisco | CA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| IDIntegrated Digital Media | San Francisco | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| IPIntegrated Plasmonics Corporation | San Francisco | CA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| ICIntelligentsia Coffee | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| ITIrhythm Technologies INC | San Francisco | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| IIIst INC (home Coffee Roasters) | San Francisco | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| JGJackson Gulch , LLC | San Francisco | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| JBJames Benjamin Quality Finishi | San Francisco | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |