- ACR American College of Rheumatology ACR https://www.rheumatology.org/
- ArLAR Arab League of Associations for Rheumatology https://www.arabrheumatology.org/
- ASAS Assessment of Spondyloarthritis International Society https://www.asas-group.org/
- EMEUNET Emerging EULAR Network https://emeunet.eular.org/
- ESOR EULAR School of Rheumatology https://esor.eular.org/
- EULAR European League Against Rheumatism https://www.eular.org/index.cfm
- EUSTAR European Scleroderma Trials and Research group https://eustar.org/
- ILAR International League of Association for Rheumatology http://www.ilar.org/
- OARSI Osteoarthritis Research Society International https://www.oarsi.org/