Annai Theresa Makkal Sevai Maiyam (ATMSM) is a community organisation (CO) of female sex workers in Thanjavur district of Tamil Nadu State in India. Since 2010, ATMSM has been implementing community driven HIV/AIDS programmes.The CO, formed in 2007, is registered under the Societies registration Act and has 1315 members.
ATMSM aims to work for the mainstreaming and harmonious living of the underprivileged and marginalised community by promoting economic development initiatives and better social relations.
The CO works for the health improvement and economic upliftment of its members and offers many services.
ATMSM envisions to mobilise resources to build a sustainable community organisation that works for the economic and social empowerment of its members.