Canada
- Guidelines Advisory Committee
- Canadian Institutes of Health Research
- Canadian Association of Gastroenterology
- Canadian Medical Association
- Crohn’s and Colitis Foundation of Canada
- Canadian Cancer Society
- Canadian Association of General Surgeons
- Colorectal Cancer Association of Canada
- Canadian Association of Psychosocial Oncology
- Federation of Medical Regulatory Authorities of Canada
USA
- American Society of Colon Rectal Surgeons – www.fascrs.org
- Colon and Rectal Surgery Associates Limited
- Society of Interventional Radiologists
International
- Argentina Coloproctology Society
- Coloproctology Association of the South
- Colorectal Surgical Society of Australasia (CSSA)
- Brazilian Society of Coloproctology (BSCP)
- Guatemalan Association of Colon and Rectal Surgeons
- International Foundation for Functional Gastrointestinal Disorders
- International Society for Digestive Surgery
- Irish & ACPGBI
- Israel Society of Colon and Rectal Surgery
- Italian Society of Colo-Rectal Surgery (SICCR)
- Japan Society of Coloproctology (JSCP)
- Korean Society of Coloproctology (KSCP)
- Latin American Coloproctology
- Lithuanian Society of Coloproctologists
- Mexican Society of Colon and Rectal Surgeons
- ProctoSite (Colorectal Surgery at the Web)
- Spanish: NatSCRS
- Society of Colon & Rectal Surgeons, Taiwan (SCRST)
- The Society of Ostomy Surgery