GCC

• GNU Compiler Collection
• Galahitiyawa Central College
• Garde côtière canadienne
• Garden City Collegiate
• Gateway Community Church
• Gauhati Cine Club
• Gaussian correlation conjecture
• Gazipur Cantonment College
• Gazipur City Corporation
• Gene Codes Corporation
• General Chiropractic Council
• General Cinema Corporation
• General Computer Corporation
• General communication channel
• Genesee Community College
• Georgia Cryptologic Center
• Georgia-Cumberland Conference of Seventh-day Adventists
• Germanna Community College
• Ghirardelli Chocolate Company
• Gibbon Conservation Center
• Gila Community College
• Gillette–Campbell County Airport
• Girls Catholic Central High School
• Glasgow City Council
• Glendale Community College (Arizona)
• Glendale Community College (California)
• Glenorchy Cricket Club
• Global China Connection
• Global Climate Coalition
• Global carbon cycle
• Gloucester County College
• Glucocorticoid
• Godalming Cricket Club
• Gogebic Community College
• Golden Coast Conference
• Good Counsel College, Innisfail
• Goodwood Cricket Club
• Grace Christian College
• Grand Council of the Crees
• Grand Cross of the Military Order of Christ
• Granger Community Church
• Graphic Communications Conference
• Great Commission Churches
• Great Council of Chiefs
• Greater Cleveland Conference
• Greenfield Community College (Massachusetts)
• Greenfield Community College, Newton Aycliffe
• Greensboro Coliseum Complex
• Greensburg Central Catholic High School
• Greenwich Community College
• Grenville Christian College
• Grove City College
• Guam Community College
• Guanylyl cyclase c
• Gulf Coast Conference
• Gulf Cooperation Council