Amazon Web Services; American Library Association; American Statistical Association; ARiA; Association of Public Data Users; Association of Research Libraries; Bill of Rights Defense Committee/Defending Dissent Foundation; CA Technologies; Center for Data Innovation; Center for Open Data Enterprise; Center for Regional Economic Competitiveness; CompTIA; Consumer Technology Association; Council of Professional Associations on Federal Statistics; Data Coalition; Demand Progress; Elder Research, Inc.; Electronic Frontier Foundation; EMC Corporation; Engine; Esri; Government Accountability Project; GovTrack.us; Information Unlimited Inc. (IUI); Institute for Healthy Air, Water, and Soil; Internet Infrastructure Coalition; iSolon.org; Massive Connections, LLC; New America's Open Technology Institute; Niskanen Center; NuCivic/GovDelivery; Object Management Group, Inc.; OpenDataSoft; OpenTheGovernment.org; Population Association of America/Association of Population Centers; Project On Government Oversight (POGO); R Street Institute; Rackspace; Semantic Arts, Inc.; Socrata; SPARC; Splunk Inc.; Sunlight Foundation; Taxpayers for Common Sense; The Foundation for Earth Science; TransitScreen; U.S. Chamber of Commerce, the Center for Advanced Technology and Innovation; U.S. Open Data(5/6/2016)