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)
American Association of Law Libraries; American Civil Liberties Union; American Library Association; Association of Research Libraries; American Society of News Editors; Bill of Rights Defense Committee; Citizens for Responsibility and Ethics in Washington (CREW); Cause of Action Institute; Data Transparency Coalition; Defending Dissent Foundation; Demand Progress; Electronic Privacy Information Center; Essential Information; Global Financial Integrity National Security Archive; Government Accountability Project; OpenTheGovernment.org; PEN American Center; Project On Government Oversight; Reporters Committee for Freedom of the Press; R-Street; Sunlight Foundation(12/21/2015)