DSI offers a range of water resource engineering,  computer modeling, environmental, scienti­fic, and data management services needed for resolving complex water resource problems. DSI maintains a strong representation in the disciplines of civil, hydrologic/hydraulic, coastal and environmental engineering; hydrologic, hydraulic, hydrodynamic, sediment transport and water quality modeling; data management and statistics; geographic information systems (GIS), and computer programming. DSI specializes in development of innovative applications of 1, 2, and 3-dimensional hydrologic, hydraulic, hydrodynamic, sediment transport, groundwater flow and transport, and water quality computer models, including EFDC_Explorer Modeling System.

Representatives
Paul Michael Craig, President
Kester Scandrett, Chief Representative
Hannah Smolinski, Controller