AMMAR. (Argentinean Sex Workers in Action for their rights)
http://www.ammar.org.ar/

International Drug Policy Consortiumhttp://www.idpc.net/

The Transnational Institute -  http://www.tni.org/

Washington Office on Latin America (WOLA):http://www.wola.org/

CUPIHD (Collective for a comprehensive policy towards drugs): http://www.cupihd.org/

RAISSS (American Network of Intervention in Situations of Social Suffering): http://www.raisss.cl/

Andean Information Network: http://ain-bolivia.org/

CIDDH (Research Center ”Drugs and Human Rights”):  http://www.ciddh.com/es/

Viva Rio NGO http://www.vivario.org.br/

Psicotropicus, Brazilian Drug Policy Association: http://www.psicotropicus.org/

Chilean Network for Harm Reductionhttp://www.reducciondedanos.cl/

The Center for the Study of Law, Justice and Society (Dejusticia) http://www.dejusticia.org/

PIE (Bridge, Research and Link) http://www.piebolivia.org.bo/

Harm Reduction International (HRI) formerly known as the International Harm Reduction Association: http://www.ihra.net/

Espolea (Mexican youth CSOs):   http://espolea.org/

CELS (Center for Legal and Social Studies):  http://www.cels.org.ar/