Social and Scientific Systems

Social and Scientific Systems (SSS) is a premier public health research organization and contract research organization (CRO) that provides comprehensive services to federal agencies and commercial clients. Founded in 1978, the company specializes in clinical trial management, epidemiology, health policy analysis, and large-scale data management, with a particular emphasis on supporting the National Institutes of Health (NIH) and the Centers for Disease Control and Prevention (CDC). SSS is widely recognized for its long-standing technical and operational support of international clinical research networks, especially in the fields of HIV/AIDS and emerging infectious diseases. In 2019, the company was acquired by DLH Holdings Corp, further expanding its capabilities in health information technology and public health services.