Professional organizations Abbreviations and Acronyms

1. OBA
   Old Bostonian Association
2. OBO
   Oregon Board of Optometry
3. OBP
   Organizational Behaviour Professional
4. OCA
   Ontario Cattlemen’s Association
5. OCA
   Ohio Collectors Association
6. OCAA
   Ontario Conference of Casualty Actuaries
7. OCAA
   Ontario Colleges Athletic Association
8. OCAA
   Oregon City Attorneys Association
9. OCCA
   Oil and Colour Chemists' Association (UK based)
10. OCDP
    Ohio Chemical Dependency Professionals
11. OCDS
    Orange County Dental Society
12. OCIA
    Oklahoma Crop Improvement Association
13. OCIA
    Onal Crop Improvement Association
14. OCIA
    Ormationorganic Crop Improvement Association
15. OCIA
    Ociationorganic Crop Improvement Association
16. OCIMF
    Oil Companies International Marine Forum
17. OCMA
    Ohio Community Mediation Association
18. OCMA
    Ontario Colleges Mathematics Association
19. OCMA
    Ohio Concrete Masonry Association
20. OCNA
    Ontario Community Newspaper Association

Last updated: May 23, 2020 — Total entries: 5,062