- Acta Anaesthesiologica Taiwanica
- Alliance of State Pain Initiatives
- American Academy of Hospice and Palliative Medicine
- American Academy of Pain Management
- American Academy of Pain Medicine
- American Academy of Physical Medicine and Rehabilitation
- American Board of Pain Medicine
- American Chronic Pain Association
- American Council for Headache Education
- American Headache Society
- American Pain Foundation
- American Pain Society
- American Pharmacists Association
- American Society for Addiction Medicine
- American Society for Pain Management Nursing
- American Society of Anesthesiologists
- American Society of Pain Educators
- American Society of Regional Anesthesia and Pain Medicine
- Anesthesia & Analgesia
- Anaesthesia online
- Arthritis Foundation
- Bob Flanagan Pain Journal
- City of Hope Pain & Palliative Care Resource Center
- European Journal of Pain
- Fibromyalgia Network
- Integrative Pain Medicine
- International Association for the Study of Pain
- National Headache Foundation
- Pain Talk (UK)
- Pain Medicine Journal
- Pain Management from Medscape
- Partners Against Pain
- Physicians for Responsible Opioid Prescribing
- PROMISE™: The Partnership for Responsible Opioid Management ThroughInformation, Support, and Education
- Reflex Sympathetic Dystrophy Association
- RosenblumPain
- Sociedad de Anestesiología del Uruguay ( Spanish)
- StopPain
- The Clinical Journal of Pain
- The Mayday Fund
- The Journal of the International Association for the Study of Pain
- The Journal of The Turkish Society of Algology
- The Mesothelioma Treatment Community