| GPGenesee Plaza Cleaners LLC | San Diego | CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| G9Genesis 9:3 LLC | San Diego | CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| GIGenovis INC | San Diego | CA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| GBGenway Biotech INC | San Diego | CA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| GBGenway Biotech LLC | San Diego | CA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| GBGenway Biotec LLC | San Diego | CA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| GAGlobal Artisans Shop LLC | San Diego | CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| GPGlobal Packaging Solutions, Inc. | San Diego | CA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| GPGlobal Packaging Solutions, Inc. | San Diego | CA | Miscellaneous Manufacturing339991 | — | ◇ UNVERIFIED |
| GPGlobal Packaging Solutions, Inc. | San Diego | CA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| GIGlysens Incorporated | San Diego | CA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| GIGms Interiors | San Diego | CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| GGoengineer | San Diego | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| GBGolden Boy Pies of San Diego | San Diego | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| GSGolden Spoon-rancho Bernardo | San Diego | CA | Food Manufacturing311520 | — | ◇ UNVERIFIED |
| GCGonzalez Crane Service | San Diego | CA | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| GIGoproto INC | San Diego | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| GMGp Machine Tech | San Diego | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| GSGraphic Solutions | San Diego | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| GSGreathouse Screen Printing | San Diego | CA | Textile Mills313311 | — | ◇ UNVERIFIED |
| GGGreen Goblin, INC Dba Happy Travels LLC | San Diego | CA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| GSGreen Star Labs INC | San Diego | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| GTGreen Toes Grp & Coatings - Cmsd | San Diego | CA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| GTGreen Toes Grp & Coatings, INC. - Nassco Sd Shipyard | San Diego | CA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| GTGreen Toes Grp & Coatings, INC. - Naval Base San Diego | San Diego | CA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
 Grifols Diagnostic Solutions, INC. | San Diego | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| GSGrifols San Diego | San Diego | CA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| GPGt Point Loma Sub Base | San Diego | CA | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| GCGuthrie CiderWorks LLC | San Diego | CA | Beverage and Tobacco Product Manufacturing312130 | — | ◇ UNVERIFIED |
| GCGw Crusberg INC | San Diego | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| HGHadley Gamble LLC | San Diego | CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| HCHamari Chemicals San Diego Research Center | San Diego | CA | Chemical Manufacturing325192 | — | ◇ UNVERIFIED |
| HSHamilton Sundstrand Power Systems | San Diego | CA | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| HIHampton Inn | San Diego | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| HSHampton San Diego Downtown Airport | San Diego | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pacific Southwest | San Diego | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HTHappy Travels, LLC. | San Diego | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| HPHardy Process Solutions | San Diego | CA | Machinery Manufacturing333997 | — | ◇ UNVERIFIED |
| HPHardy Process Solutions | San Diego | CA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| HMHarrys Machine Shop | San Diego | CA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| HMHawthorne Machinery CO | San Diego | CA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| HPHeritage Printing | San Diego | CA | Printing and Related Support Activities323117 | — | ◇ UNVERIFIED |
| HTHeron Therapeutics INC | San Diego | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| HPHewlett Packard CO | San Diego | CA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| HSHilton San Diego Convention Center Hotel | San Diego | CA | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| HTHi Tech Electronic Manufacturing INC | San Diego | CA | Computer and Electronic Product Manufacturing334613 | — | ◇ UNVERIFIED |
| HTHi Tech Honeycomb | San Diego | CA | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| HSHi-tech Stencils | San Diego | CA | Computer and Electronic Product Manufacturing334119 | — | ◇ UNVERIFIED |
| HZHi Z Technology INC | San Diego | CA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| HCHolland Cycles | San Diego | CA | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
