| Grams per Square Metre | Academic & Science |
| Geological Society of Maine | Academic & Science |
| Geocentric Solar Magnetospheric | Academic & Science |
| Galvanized Sheet Metal | Academic & Science |
| General Standard Migration | Academic & Science |
| Geological Society of | Academic & Science |
| Geological Society of Malaysia | Academic & Science |
| Gheshm | Airport Code |
| Grenache Shiraz Mourvedre | Business |
| Guest Services Manager | Business |
| Global Sustainable Management | Business |
| Gprs Session Management | Business Management |
| Greenwich School of Management | Business Management |
| God Save Me! | Community |
| Gender and Sexuality Minorities | Community |
| Global System for Mobile Communication | Computing |
| Group Special Mobile | Computing |
| Global Subscriber Manager | Computing |
| Global Shared Memory | Computing |
| Generative Shape Modeling | Computing |
| Google Sky Map | Computing |
| Groupe Special Mobile | Computing |
| Sound (gsm 6.10 Pri-ets 300 036 13kbit/s) (internet Phones) | File Type |
| Glassport Motor Company | General |
| Gumpert Sportwagenmanufaktur | General |
| General Simulation Model | General |
| Groupe Specials Mobile | General |
| Gulf South Motoring | General |
| Gear Shift Module | General |
| Glacier Silver Metallic | General |
| Global Supply Manager | General |
| Global System for Mobileb | General |
| Grenache Syrah Mouvedre | General |
| Good Source of Money | General |
| General Standard For Mobile | General |
| God Send Mobiles | General |
| Green Sex Machine | General |
| Grep Sort Map | General |
| God Save Motorola | General |
| God Sends Mobiles | General |
| Global Sytem For Mobile | General |
| General Service Medal | General |
| Get Some, Man | General |
| Global System for Mobile | General |
| Global System Mobile | General |
| Globe Specialty Metals | General |
| Security Map | General |
| Global Systems for Mobile | General |
| Global System of Mobile | General |
| Signal Monitoring | General |
| Ground Station Modules | General |
| Global Service Monitor | General |
| Generalized Seed Model | General |
| Geographic System for Mobile | Geography |
| Grants Solicitation and Management | Governmental |
| Gilera Super Motard | Governmental |
| General Street Madness | Governmental |
| Government Surveillance Monitoring | Governmental |
| Garrison Sergeant-Major | Governmental |
| Global System for Mobile Communications | Information Technology |
| General Sales Manager | Jobs |
| Generalized Second Moment | Maths |
| Grams Per Square Meter | Measurement Unit |
| Genitourinary Syndrome of Menopause | Medical |
| General Support Maintenance | Military and Defence |
| Ground Station Module | Military and Defence |
| Ground Support Module | Military and Defence |
| Generic Simulation Manager | Military and Defence |
| Global System for Mobile Communications (Groupe Sp | Mobile Technology |
| Graduate Studies in Mathematics | News & Entertainment |
| Għajnsielem | Regional |
| Great Smokey Mountains Railway | Regional |
| Ghajnsielem | Regional |
| Great St Mary's | Society & Culture |
| Groupe Speciale Mobile | Telecommunication |
| Qeshm International Airport | Transport & Travel |
| Flyglobespan | Transport & Travel |
