| Global Cooperation Society | Academic & Science |
| Grade of Crushed Stone | Academic & Science |
| Sak'art'velos Kompiuteruli Sazogadoeba | Academic & Science |
| Georgian Computer Society | Academic & Science |
| საქართველოს კომპიუტერული საზოგადოება | Academic & Science |
| Компьютерное Общество Грузии | Academic & Science |
| Greenwich Choral Society | Academic & Science |
| Gift Cards | Business |
| Geneaology Consulting Services | Business |
| Global CyberSoft | Business |
| Global Construction Services Ltd | Business |
| Guernsey Careers Service | Business |
| Globe Clothing Store | Business |
| Gray Communications Systems, Inc. | Business |
| Global Customer Satisfaction | Business |
| Georgetown Cleaning Services | Business |
| Global Communications Solutions | Business |
| Greenland Central School | Community |
| Guilford County Schools | Community |
| Greenville County Schools | Community |
| Good Comedy Satire | Community |
| Goodwill Cooperation And Service | Community |
| Granville County Schools | Community |
| Giving Community Service | Community |
| Grace Christian School | Community |
| Global Capital Summit | Community |
| Gateway Computer System | Computing |
| Group Control System | Computing |
| Gnu Compiler System | Computing |
| Generic Command Server | Computing |
| Graphic Chipset | Computing |
| Gif Construction Set | Computing |
| Get Command Status | Computing |
| Graphic Character Set | Computing |
| Global Consolidation System | Computing |
| Global Consulting Services | Computing |
| Google Code Search | Computing |
| Global Configuration Service | Computing |
| Google Calendar Sync | Computing |
| Google Contact Sync | Computing |
| Gauss Centre for Supercomputing | Computing |
| Google Custom Search | Computing |
| Global Cache Service | Computing |
| Global Contact Services | Contact |
| Glorious College of Science | Educational Institute |
| Gran Coupe Sport | General |
| Green City Solution | General |
| Ghisa Corse Sport | General |
| Global Commodities And Services | General |
| Generic Component Structure | General |
| Google Cloud Storage | General |
| Global Conceptual Schema | General |
| Geocentric Coordinate System | General |
| Gig Car Share | General |
| Global Compact Series | General |
| Grand Cherokee Sport | General |
| Gary Colin Specialist | General |
| Genesis Connected Services | General |
| Gunnison Car Show | General |
| Global Communication Semiconductors | General |
| Global Credit Solutions | General |
| Global Convergence Solutions | General |
| Guest Comment System | General |
| Gate City Sound | General |
| Gamasia Collective Shine | General |
| Glasgow Coma Scores | General |
| Game Creation System | General |
| Gnab Console Service | General |
| Granite City Steel | General |
| Gran Coupe S | General |
| Group Cooking System | General |
| Godless Cracking Service | General |
| Ground Control Stations | General |
| Geo Common Subsystem | General |
| Goodwill Cooperation Service | General |
| Group Communication System | General |
| Good Civil Service | Governmental |
| German Car Specialists | International |
| Geriatric Certified Specialist | Medical |
| Glasgow Coma Score | Medical |
| Glasgow Coma Scale | Medical |
| General Clinical Services | Medical |
| Genome Conformational State | Medical |
| Gianotti-Crosti syndrome | Medical |
| glucocorticosteroid | Medical |
| Graduated Compression Stockings | Medical |
| Gender Confirmation Surgery | Medical |
| group C streptococcus/i | Medical |
| Genital Corrective Surgery | Medical |
| Glasgo Coma Scale | Medical |
| Glycine cleavage system | Medical |
| Ground Combat Skills | Military and Defence |
| Ground Control Station | Military and Defence |
| Geographic Coordinate System | Military and Defence |
| Ground Communications System | Space Science |
| Guidance Cutoff Signal | Space Science |
| Global Communication System | Telecommunication |
