Organizations in US
These pages start from ROR. An OpenAlex institution record is shown when the same ROR id is present in the snapshot.
- American Physical Therapy AssociationUS
- American Physician Scientists AssociationUS
- American Physiological SocietyUS
- American Phytopathological SocietyUS
- American Pistachio GrowersUS
- American Planning AssociationUS
- American Podiatric Medical AssociationUS
- American Political Science AssociationUS
- American Porphyria FoundationUS
- American Precision MuseumUS
- American Printing House for the BlindUS
- American Productivity and Quality CenterUS
- American Professional Society of ADHD and Related DisordersUS
- American Psychiatric AssociationUS
- American Psychiatric Association PublishingUS
- American Psychiatric FoundationUS
- American Psychoanalytic AssociationUS
- American Psychological AssociationUS
- American Psychological FoundationUS
- American Psychopathological AssociationUS
- American Psychosocial Oncology SocietyUS
- American Psychosomatic SocietyUS
- American Public Gardens AssociationUS
- American Public Health AssociationUS
- American Public Human Services AssociationUS
- American Public MediaUS
- American Public Power AssociationUS
- American Public Transportation AssociationUS
- American Public University SystemUS
- American Public Works AssociationUS
- American Pulse AssociationUS
- American Quarter Horse AssociationUS
- American Red CrossUS
- American Regent (United States)US
- American Registry for Internet NumbersUS
- American Repertory TheaterUS
- American Research Center in EgyptUS
- American Research Corporation of Virginia (United States)US
- American Research Institute for Policy DevelopmentUS
- American Research Institute in TurkeyUS
- American Research Institute of the South CaucasusUS
- American Respiratory Care FoundationUS
- American Rhinologic SocietyUS
- American Rhododendron SocietyUS
- American Risk and Insurance AssociationUS
- American River CollegeUS
- American RiversUS
- American Rock Mechanics AssociationUS
- American Roentgen Ray SocietyUS
- American SIDS InstituteUS