Esri, USGS | FEMA, Compass, CDM Smith, ABS Consulting, Factor, Inc., Arizona State University (for Spatial Hazard Events and Losses Database for the United States), the Centers for Disease Control Agency for Toxic Substances and Disease Registry (for the Social Vulnerability Index), the University of South Carolina's Hazards and Vulnerability Research Institute (for Baseline Resilience Indicators for Communities), and all the other data providers and subject matter experts that have helped guide the National Risk Index over the years.