- Grant Thornton LLP
- Granville Academy
- Granville County United Way
- Grapevine Texas Convention and Visitors Bureau
- Graphek
- Graphic Arts Show Company
- Graphic Solutions
- Graphics Gallery
- Graphics of the Americas, Printing Association of Florida
- Graybar
- Graybar Electric
- GRC Direct
- Greaney Consulting
- Great American Restaurants
- Great Eastern Energy
- Great Lakes Analytical
- Great Lakes Construction Association
- Great Plains Communications
- Great Plains Regional Medical Center
- Great Promise Partnership
- Great River Health System
- Great River Medical Center
- Great Rivers United Way
- Great Smokies Holiday Inn Sun Spree Golf and Tennis Resort
- Great Smokies Medical Center
- Greater Akron Chamber
- Greater Albuquerque Chamber of Commerce
- Greater Bakersfield Convention and Visitors Bureau
- Greater Baltimore Medical Center
- Greater Baton Roughe Association
- Greater Birmingham Convention and Visitors Bureau
- Greater Boston Convention and Visitors Bureau
- Greater Boynton Beach Chamber of Commerce Health Care Council
- Greater Cleveland Convention and Visitors Bureau
- Greater Columbus Chamber of Commerce
- Greater Columbus Convention and Visitors Bureau
- Greater Columbus Home Builders
- Greater Dayton Area Hospital Association GDAHA)
- Greater Des Moines Convention and Visitors Bureau
- Greater Detroit Auto Auction; GDAA Marketing, Inc.
- Greater Durham Chamber of Commerce
- Greater El Monte Community Hospital
- Greater Ennis United Way
- Greater Fort Lauderdale Convention and Visitors Bureau
- Greater Gardendale Chamber of Commerce
- Greater Grand Forks CVB
- Greater Green Bay Convention and Visitors Bureau
- Greater Greensboro Society of Medicine GGSM-Project Access
- Greater Hartford Convention and Visitors Bureau
- Greater Houston Builders Association