Association Abbreviations and Acronyms

1. OSCO
   Oklahoma Scholastic Chess Organization
2. OSDA
   Organisation for Strategic Development In Africa
3. OSERA
   Ohio Scientific Education & Research Association
4. OSERA
   Oregon Student Equal Rights Alliance
5. OSGA
   Open Systems Group Associates
6. OSI
   Organisations De Solidarité Internationale
7. OSI
   Organisation De Solidarité Internationale
8. OSIEK
   Organiza Societo De Integnaciaj Esperanto-Konferencoj
9. OSOCC
   On-Site Operations and Coordination Centre
10. OSRC
    Oregon Society for Respiratory Care
11. OSSA
    Oxfordshire School Sports Association
12. OTA
    Oman Tennis Association
13. OVTAA
    Oregon Veterinary Technician and Assistant
14. OZCF
    Ontario Zoroastrian Community Foundation
15. OZO
    Oesterreichische Zoo Organisation
16. OZO
    öSterreichische Zoo Organisation
17. PA
    Press Agent
18. PA
    Parapsychological Association, Inc
19. PAADA
    Petworth Antique and Decorative Arts
20. PAAF
    Property Appraisers Associatioy of Florida

Last updated: May 24, 2020 — Total entries: 3,424