American College of Phlebology 
www.phlebology.org

American Venous Forum
www.veinforum.org

Benelux Society of Phlebology
www.phlebologybenelux.org/en

Canadian Society of Phlebology
www.canadiansocietyofphlebology.org

French College of Vascular Pathology
www.cfpv.fr

French Society of Phlebology
www.sf-phlebologie.org

German Society of Phlebology
www.phlebology.de

International Union of Angiology
www.i.u.angiology.org

International Union of Phlebology
www.uip-phlebology.org

Royal Society of Medicine
www.rsm.ac.uk

Vascular Society of India
www.vsi.net.in

Venous Association of India
www.venous.in

Compression Therapy Study Group
www.terapiacompressiva.it

International Compression Club
www.icc-compressionclub.com

North American Thrombosis Forum
www.natfonline.org