American Civil Liberties Union; American Association of Law Libraries; American Booksellers for Free Expression; American Commitment; American Library Association; American Society of News Editors; American-Arab Anti-Discrimination Committee; Appeal for Justice; Associated Press Media Editors; Association of Alternative News Media; Association of Research Libraries; Bill of Rights Defense Committee; Campaign for Digital Fourth Amendment Rights; Campaign for Liberty; Cause of Action; Center for Effective Government; Center for Science and Democracy at the Union of Concerned Scientists; Citizens for Responsibility and Ethics in Washington; Data Transparency Coalition; Defending Dissent Foundation; DownsizeDC.org; Electronic Frontier Foundation; FOIA Project; Food & Water Watch; FreedomWorks; Government Accountability Project; Human Rights Watch; International Justice Network; Less Government; Media Alliance; Mine Safety and Health News; National Coalition for History; National Security Archive; National Security Counselors; National Taxpayers Union; OpenTheGovernment.org; People for the American Way; Project on Government Oversight; R Street Institute; RootsAction.org; Society of Professional Journalists; Sunlight Foundation; Taxpayers for Common Sense; Taxpayers Protection Alliance; Transactional Records Access Clearinghouse; Tully Center for Free Speech at Syracuse University(2/5/2015)
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)