Advocacy for Principled Action in Government; American Arab Anti Discrimination Committee; American Civil Liberties Union; American Library Association; Association of Research Libraries; Bill of Rights Defense Committee; Brennan Center for Justice; Center for Democracy & Technology; Center for National Security Studies; Constitutional Alliance; The Constitution Project; Council on American Islamic Relations; Cyber Privacy Project; Defending Dissent Foundation; Demand Progress; DownsizeDC.org; Electronic Frontier Foundation; Fight for the Future; Freedom of the Press Foundation; FreedomWorks; Free Press Action Fund; Government Accountability Project; Hackers/Founders(4/20/2015)
Advocacy for Principled Action in Government; American-Arab Anti-Discrimination Committee; American Civil Liberties Union; American Library Association; Bill of Rights Defense Committee; Brennan Center for Justice; Center for Democracy & Technology; The Constitution Project; Constitutional Alliance; Cyber Privacy Project; Defending Dissent Foundation; Demand Progress; DownsizeDC.org, Inc.; Electronic Frontier Foundation; Electronic Privacy Information Center (EPIC); Fight for the Future; Free Press; Government Accountability Project; Liberty Coalition; National Association of Criminal Defense Lawyers; National Security Counselors; New America’s Open Technology Institute; Niskanen Center; OpenTheGovernment.org; PEN American Center; Project On Government Oversight; R Street; Restore the Fourth; The Sunlight Foundation; TechFreedom; World Privacy Forum; X-Lab(10/29/2015)