Professional organizations Abbreviations and Acronyms

1. OCPA
   Ontario Concrete Pipe Association
2. OCPA
   Open Content Platform Association
3. OCPA
   Overseas Chinese Physicists Association
4. OCPA
   Orange County Paralegal Association
5. OCPA
   Orange County Psychological Association
6. OCW
   Oversea Contract Workers
7. ODA
   Ohio Dental Association
8. ODBA
   Oroville Downtown Business Association
9. ODI
   Organization Development Institute
10. ODMA
    Optical Disc Manufacturers Association
11. ODN
    Organization Development Network
12. ODR
    Oakland Durant Rockridge
13. ODVA
    Open DeviceNet Vendors' Association
14. ODZA
    One Drop Zendo Association
15. OEA
    Oregon Education Association
16. OEQ
    Ordre des ergothérapeutes du Québec (Order of Occupational Therapists of Québec, Canada)
17. OFA
    Oxygenated Fuels Association
18. OFA
    Ohio Florists Association
19. OFFMA
    Ontario Farm Fresh Marketing Association
20. OFIA
    Ontario Forest Industry Association

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