Advocacy for Principled Action in Government; American Civil Liberties Union; American-Arab Anti-Discrimination Committee; Arab American Institute; American Library Association; Bill of Rights Defense Committee; Brennan Center for Justice; Campaign for Liberty; Constitutional Alliance; Defending Dissent Foundation; Demand Progress; Electronic Privacy Information Center (EPIC); Electronic Frontier Foundation; Free Speech Coalition; Fight for the Future; Government Accountability Project; The Niskanen Center; Media Freedom Foundation; National Security Counselors; National Association of Criminal Defense; Lawyers; Liberty Coalition; New America's Open Technology Institute; OpenTheGovernment.org; Project Censored; Project On Government Oversight; Public Citizen; Restore The Fourth; RootsAction.org; R Street; Sunlight Foundation; TechFreedom; X-Lab(4/7/2016)
Access; Advocacy for Principled Action in Government; American Civil Liberties Union; American Library Association; Amicus; Center for Democracy and Technology; Competitive Enterprise Institute; CREDO; Cyber Privacy Project; Defending Dissent Foundation; Demand Progress; DuckDuckGo; Electronic Frontier Foundation; Fight for the Future; Freedom of the Press Foundation; Free Press Action Fund; The Libertarian Party; Liberty Coalition; Media Alliance; New America Foundation's Open Technology Institute; OpenMedia.org; OpenTheGovernment.org; Participatory Politics Foundation; PEN American Center; Reddit; RootsAction.org; Silent Circle; Student Net Alliance; TechFreedom(7/15/2014)