G
- G 20 major economies
- G Claridge and Company
- G E Capital Transportation Financial Services
- G K Consultants
- G Unit (musician)
- G-20
- G-Star RAW
- G. Love and Special Sauce (musician)
- G. Mason Patriots
- G.D. Trading & Agencies
- G4 TV
- G4S
- Gabon national football team
- Gabonese Socialist Party
- Gabriel India
- GAC TV
- Gaelic Athletic Association
- Gagan Gases
- Gagan Polycot India
- Gaggenau
- Gagosian Gallery
- Gaiam, Inc.
- GAIL
- Gajra Bevel Gears
- Galactic (musician)
- Galada Power and Telecommunications
- Galapagos Art Space
- Galatasaray Cafe Crown
- Galatasaray S.K. (football)
- Galavision
- Galaxie 500
- Galaxy Agrico Exports
- Galaxy Bearings
- Galaxy Consolidated
- Galaxy Entertainment
- Galaxy Multimedia
- Galiform
- Gallaher Group, PLC
- Gallantt Metal
- Galleon Group
- Gallup
- Galo
- Galore Prints Industries
- Galp Energia
- Galvani Batteries
- Galway United
- Gamba Osaka
- Gambino Crime Family
- Gambling Commission
- Game Group
- Game Informer Magazine
- Gameplan
- GameStop
- Gamma Rays Transmissions
- Gammon India
- Gammon Infrastructure Projects
- Ganapati Infra
- Gandhi Special Tubes
- Gandhimathis Applicances
- Gandhinagar Hotels
- Gandhinagar Leasing and Finance
- Ganesh Benzoplast
- Ganesh Foundry & Castings
- Ganesh Holdings
- Ganesh Housing Corporation
- Ganesh Leafinvest
- Ganesh Polytex
- Gang Starr (musician)
- Gangadharan Appliances
- Gangotri Cement
- Gangotri Iron
- Ganipitak Yaks Capital
- Gannett Company
- Ganon Trading & Finance Company
- Gap, Inc.
- Garage a Trois
- Garanti Bank
- Garbage (musician)
- Garda Siochana
- Gardem (designer)
- Garden City Hotel
- Garden Silk
- Garden State Equality
- Gardner Denver, Inc.
- Garg Forgings & Castings
- Garg Furnace
- Garland Independent School District
- Garlon Polyfab
- Garmin Ltd.
- Garnet Construction