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- German Shepherd Dog Federation of South Africa (GSDFSA)
- Gimarida Taxi Association (GTA)
- Girl Guides South Africa (GGSA)
- Glass Industry Employers’ Association (GIEA)
- Global Cyber Intelligence Association (N.P.C) (GXIA)
- Gold Reef Rose Society (GRRS)
- Golden Triangle Chamber of Commerce (GTCOC)
- Goldfields Society for The Blind (GFSB)
- Good (GOOD)
- Gordon’s Bay Residents Association (GBRA)
- Gordonia Kenhardt Landbougenootskap (GKL)
- Gordons Bay Business Forum (GBBF)
- Government Printing Works (GPW)
- Graaff-Reinet Gun Club (GRGC)
- Grahamstown Business Forum (GBF)
- Grahamstown Chamber of Commerce & Industry (GCCI)
- Grain Farmer Development Association (GFADA)
- Grain Handling Organisation of South Africa (GOSA)
- Grain Handling Organisation of Southern Africa (GHOSA)
- Grain South Africa (GSA)
- Grass Fed Association of South Africa (GFASA)
- Grassland Society of Southern Africa (GSSA)
- Grata Taxi Association (GTA)
- Greater Boksburg Chamber of Commerce & Industry (GBCCI)
- Greater Knysna Business Chamber (GKBC)
- Greek South African Chamber of Commerce and Industries (GSACCI)
- Green and Sea Point Anglers Club (GSPAC)
- Green Building Council South Africa (GBCSA)
- Groblersdal Afrikaanse Sakekamer (GASK)
- Groundwater Association of Kwazulu Natal (GAKZN)