| General Intelligence Assessment | Academic & Science |
| Guaranteed Investment Account | Business |
| Girls Intelligence Agency | Business |
| General Insurance Association | Business |
| Give It Away | Business |
| Gemological Institute of America | Business |
| Gevaco Industrial Applications | Business |
| Garuda Indonesia Airlines | Business |
| Guaranteed Interest Annuity | Business |
| Gordon Ingram Asscoiates | Business |
| Giaconda Ltd | Business |
| Global Intelligence Alliance | Business |
| Gateway Investment Advisers | Business |
| Grantmakers in the Arts | Community |
| Geneva Interns Association | Community |
| Gems Investment Association | Community |
| Globally Inspired Artist | Community |
| General International Area | Computing |
| Gaming Intelligence Agency | Computing |
| Glacial Isostatic Adjustment | General |
| God Is Alive | General |
| Grantmakers in Aging | General |
| Gamerz In Arms | General |
| Get Ip Address | General |
| Gaian Intelligence Agency | General |
| Giving Insidious Advice | General |
| Gemologically Impaired Area | General |
| Galatic Inteligence Angency | General |
| Garuda Indonesian Airways | General |
| Global Industry Analysts | General |
| Growth Inspiration and Abundance | General |
| Global Innovation Award | General |
| Groupe Islamique Armé | General |
| Girls in Action | General |
| Global Innovator Award | General |
| Grant In Aid | General |
| Global Innovation Awards | General |
| Group on Institutional Advancement | General |
| Gordon Ingram Associates | General |
| Global Industry Alliance | Governmental |
| Gem Institute of America | Governmental |
| Government In Action | Governmental |
| Gregorian Institute Of America | Governmental |
| Gemmological Institute of America | Governmental |
| Gemologists Institute of America | Governmental |
| Gemological Institution of America | Governmental |
| GARIA | Indian Railway Station |
| Government and International Affairs | International |
| Government International Affairs | International |
| Grupo Islámico Armado | International |
| Gigabit Internet Access | Internet |
| GastroIntestinal Anastomosis | Medical |
| Glad I Asked | Messaging |
| Ground Isolation Assault | Military and Defence |
| Ghana International Airlines | Regional |
| Gemological Institute of Africa | Regional |
| Gesture Interpretation Agent | Softwares |
| Gpc (general Purpose Computer) Interface Adapter | Space Science |
| Government Information Awareness | Technology |
