sort by Rank | Alpha
| Possible Meanings | Rank |
| Gas Oil Chemicals | **** |
| Governor of the Castle | **** |
| German Olympic Committee | **** |
| Government of Columbia | **** |
| Government of Comoros | **** |
| Guardians of the Community | *** |
| Grid Operations Centre | *** |
| Government Operations Centre | *** |
| Government Owned Corporations | *** |
| Gay Outdoors Club | *** |
| General Oil Company | *** |
| Global Outreach Committee | *** |
| Group of Company | *** |
| Government of Cambodia | *** |
| General Operator Certificate | *** |
| Guardians of Chivalry | *** |
| Government Online Centre | *** |
| General of Command | *** |
| Guardians of the Crown | *** |
| Gulf of California | *** |
| Ghana Olympic Committee | *** |
| Gulf of Carpentaria | *** |
| Garmin Owners Club | *** |
| General Osteopathic Council | *** |
| Government of Cyprus | *** |
| Greek Old Calendar | *** |
| Games Organizing Committee | *** |
| Gun Owners Caucus | *** |
| Gigabit Over Copper | *** |
| Guild of Clerics | *** |
| Georgian Orthodox Christian | *** |
| Gun Owners of California | *** |
| Government of Cameroon | *** |
| German Open Championship | *** |
| Grid Operation Center | *** |
| Gobustan Operating Company | *** |
| Grid Operation Centre | ** |
| Global Oversight Committee | ** |
| Global Operating Center | ** |
| Green Omaha Coalition | ** |
| Guardians of Catfish | ** |
| Goal Oriented Commanding | ** |
| Glandular Odontogenic Cyst | ** |
| Grafisch Onderwijs Cursus | ** |
| Government Owned Contractor | ** |
| Government of Chhattisgarh | ** |
| Gynecologic Oncologists of Canada | ** |
| Greater Ohio Chapter | ** |
| Generation Operation Center | ** |
| Gulf Overseas Consultant | ** |
| Galileo Operating Company | ** |
| General Officers Commanding | ** |
| Geriatric Oncology Consortium | ** |
| General Ophthalmic Council | ** |
| Gamers of Chaos | ** |
| Gathering of Clans | ** |
| Goudi Olympic Complex | ** |
| Global OPENSTAR Conference | ** |
| Gene Ontology Consortium | ** |
| Glasses Over Contacts | ** |
| Grens Overschrijdende Criminaliteit | ** |
| Global Oceanic Carriers | ** |
| Genuine Orthodox Christians | * |
| Gruppo Osservatori Comete | * |
| Geraldton Ontario Canada | * |
| Games Operating Committee | * |
| General Officer Commander | * |
| Gezond Onderwijs Congres | * |
| GPS Operations Center | * |
| Group of Colleges | * |
| Geeks on Caffeine | * |
| Good Offices Commission | * |
| Generic Order Control | * |
| Gnostic Order of Christ | * |
| Greenways of Oldham County | * |
| Gwth Opportunites Cl | * |
| Gynaecological Oncology Centre | * |
| General Order Control | * |
| Getty Oil Company | * |
| GMDSS Operator Certificate | * |
| Geocorona Oxygen Cell | * |
| Gloucester Ontario Canada | * |
| Geographies Of Cyberspace | * |
| Geography Of Consciousness | * |
| Geography Of Cyberspace | * |
| Geology Oceanography and Climate | * |
| Geology Of California | * |
| Gillians Ocean City | * |
| Global Ocean Color | * |
| Goldwing Owners Club | * |
| Good Orient Company | * |
| Government of Chile | * |
| Government of Croatia | * |
| Ground Observer Corps; Group Operations Center | * |
| Ground Operation Centre | * |
| Ground Operations Center (Part of Mobile Servicing System) | * |