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)
Advocacy for Principled Action in Government; American Association of Law Libraries; American Booksellers Foundation for Free Expression; American Civil Liberties Union; American Library Association; Amnesty International USA; Association of Research Libraries; Center for Democracy and Technology; Center for National Security Studies; The Constitution Project; Council on American-Islamic Relations (CAIR); Cyber Privacy Project; Defending Dissent Foundation; Electronic Frontier Foundation; Demand Progress; Free Press Action Fund; Human Rights Watch; Liberty Coalition; National Association of Criminal Defense Lawyers; New America Foundation's Open Technology Institute; OpenTheGovernment.org; PEN American Center; Principled Action in Government; Project On Government Oversight (POGO)(6/4/2014)
American Association of Law Libraries; American Civil Liberties Union; American Library Association; Association of Research Libraries; Citizen for Responsibility and Ethics in Washington; Data Coalition; Demand Progress; Engine; Government Accountability Project; Government Information Watch; GovTrack.us; National Security Archive; National Security Counselors; Open The Government; Project on Government Oversight; Senior Executives Association(2/12/2019)