Professional organizations Abbreviations and Acronyms

  1. GTAA
    Greater Toronto Apartment Association
  2. GTAGA
    Greater Toronto Area Golf Association
  3. GTMA
    Greater Toronto Marketing Alliance
  4. GTMC
    Guild of Travel Management Companies
  5. GTS
    Global Trade Services
  6. GTSWCA
    Greater Toronto Sewer and Watermain Contractors Association
  7. HA
    Heritage Association
  8. HA
    Hydrocephalus Association
  9. HAA
    Home Automation Association
  10. HABC
    Hawaii Asset Building Coalition
  11. HACA
    Haitian American Community Association (Chicago, IL)
  12. HACR
    Hispanic Association for Corporate Responsibility
  13. HACS
    Hawaii Association of Charter Schools
  14. HACT
    Housing Association Charitable Trust
  15. HACU
    Hispanic Association of Colleges and Universitites
  16. HADA
    Houston Art Dealers Association
  17. HAI
    Helicopter Association International
  18. HAL
    Housing Association Leasing
  19. HAPA
    Hispanic Association for Professional Advancement
  20. HASL
    Hawaii Association of School Librarians

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