The Solutions for the Information Technology Enterprise III is DIA's third consecutive indefinite delivery, indefinite quantity contract to address the evolving information technology requirements vital to U.S. security.

The 10-year SITE III IDIQ contract provides a centralized and synchronized IT acquisition capability to meet worldwide security requirements and technical support services through system design, development, fielding and sustainment of global intelligence and Command and Control assets. SITE III facilitates worldwide coverage for integrated IT intelligence requirements and technical support services to DIA and National Geospatial-Intelligence Agency. SITE III also supports business process reengineering and development, performance measures and metrics, feasibility studies, IT systems architecture development and planning, research, design, engineering and development of systems, and fielding and installation of systems with capabilities developed during the design and engineering phase.

DIA's Office of the Chief Financial Officer holds overall contractual responsibility for the basic SITE III contracts as the procuring contracting office. DIA's Chief Information Office is responsible for program management and technical oversight of the basic contracts. The SITE III program manager and supporting program management office serve as the CIO’s designated office of responsibility for managing and administering functional and technical oversight of the program.