OpenSHA has evolved over many years and would not have been possible without the dedicated financial support of the Southern California Earthuake Center (SCEC) at the University of Southern California (USC) and the United States Geological Survey (USGS) earthquake hazards program. In addition, the use of OpenSHA in developing the Uniform California Earthquake Rupture Forecast version 2 (UCERF2) has provided additional income from the California Earthquake Authority (CEA). Most recently, the Global Earthquake Model (GEM) Foundation provided financial support to adapt OpenSHA to function as thier engine for global hazard calculations.

Southern California Earthquake Center (SCEC)

SCEC is a community of over 600 scientists, students, and others at over 60 institutions worldwide, headquartered at the University of Southern California. SCEC is funded by the National Science Foundation and the U.S. Geological Survey to develop a comprehensive understanding of earthquakes in Southern California and elsewhere, and to communicate useful knowledge for reducing earthquake risk.

United States Geological Survey (USGS)

From their home page: "The USGS is an unbiased, multi-disciplinary science organization that focuses on biology, geography, geology, geospatial information, and water, we are dedicated to the timely, relevant, and impartial study of the landscape, our natural resources, and the natural hazards that threaten us."

California Earthquake Authority (CEA)

The CEA is a publicly managed, largely privately funded organization that provides catastrophic residential earthquake insurance and encourages Californians to reduce their risk of earthquake loss.

Global Earthquake Model (GEM)

GEM is a public/private partnership initiated and approved by the Global Science Forum of the Organisation for Economic Co-operation and Development (OECD-GSF) that aims to establish uniform independent standards to calculate and communicate earthquake risk worldwide.