Core campaign members are based in Argentina, Brazil, Canada, Colombia, El Salvador, Namibia, Nepal, Portugal, Serbia and Uganda.
- Argentina: Asociación para Politicas Públicas
- Brazil: Viva Rio
- Canada: Project Ploughshares and the Peacebuild-Small Arms Working Group
- Colombia:Colectivo Mujeres Pazificas
- Namibia: Breaking the Wall of Silence
- Nepal: SAP Nepal
- Portugal: Centre for Peace Studies/Observatory on Gender and Armed Violence
- Serbia: Victimology Society of Serbia
- Uganda: The Centre for Conflict Resolution (CECORE)
but many other IANSA members around the world are taking part in countries such as: Burundi, Cameroon, DR Congo, Haiti, Liberia, Macedonia, Mali, Mexico, Nigeria, Pakistan, Paraguay, Peru, Sierra Leone, Sri Lanka, Sudan, Togo, Uruguay, and Venezuela.