SUS is implementing its program and projects in six Districts and eleven Upazilas: Dhaka (Savar, Dhamrai, Keraniganj), Gazipur (Sadar, Kaliakoir), Manikganj (Singair), Narsingdi (Sadar, Shibpur), Mymensingh (Sadar) and Lakshmipur (Sadar, Kamolnagar).