American Association of Law Libraries; American Association of University Professors (AAUP); American Library Association; Association of Research Libraries; Center for Democracy and Technology; Center for Effective Government (formerly OMB Watch); Center for Responsive Politics; Citizens for Responsibility and Ethics in Washington (CREW); Center for Science and Democracy, Union of Concerned Scientists; Data Transparency Coalition; Defending Dissent Foundation; Essential Government; Free Government Information; Government Accountability Project; Humane Research; Jeremy Bigwood; Investigative Newsource; iSolon.org; National Coalition for History; National Freedom of Information Coalition; National Priorities Project; National Security Counselors; Northern California Association of Law Libraries; Object Management Group, Inc.; Open CRS; OpenTheGovernment.org; Project on Government Oversight (POGO); Society of Professional Journalists; Sunlight Foundation; Transactional Records Access Clearinghouse (TRAC); Understanding Government; Utah Foundation for Open Government; Washington Coalition for Open Government(3/1/2013)
Access; Advocacy for Principled Action in Government; American Association of Law Libraries; American Booksellers for Free Expression; American Civil Liberties Union; American Library Association; American Society of News Editors; Amnesty International USA; Arab-American Anti-Discrimination Committee (ADC); Association of Alternative Newsmedia; Association of Research Libraries; Bill of Rights Defense Committee; Brennan Center for Justice; Center for Democracy and Technology; Center for National Security Studies; Constitutional Alliance; Council on American-Islamic Relations; Cyber Privacy Project; Defending Dissent Foundation; Demand Progress; DownsizeDC.org; Electronic Frontier Foundation; Fight for the Future; FirstAmendment.com; Free Press Action Fund; FreedomWorks; Government Accountability Project; Gun Owners of America; Hackers/Founders; Human Rights Watch; Liberty Coalition; Massachusetts Pirate Party; Media Alliance; NAACP; National Association of Criminal Defense Lawyers; National Coalition Against Censorship; National Security Counselors; New America’s Open Technology Institute; OpenTheGovernment.org; PEN American Center; People For the American Way; Privacy International; Project On Government Oversight (POGO); R Street; Reporters Committee for Freedom of the Press; Restore the Fourth; Student Net Alliance; Sunlight Foundation; TechFreedom; The Constitution Project; Venture Politics; World Privacy Forum(5/6/2015)
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)
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 Library Association; American Society of News Editors; Association of Alternative Newsmedia; Association of Research Libraries; Bill of Rights Defense Committee; Center for Science and Democracy at the Union of Concerned Scientists; Citizens for Responsibility and Ethics in Washington; Common Cause; Data Coalition; Defending Dissent Foundation; Demand Progress; Free Government Information; Government Accountability Project; OpenTheGovernment.org; Project On Government Oversight; R Street Institute; Society of American Archivists; Sunlight Foundation(3/8/2016)
Access; Advocacy for Principled Action in Government; American Association of Law Libraries; American Civil Liberties Union; American Library Association; Antiwar.com; Arab American Institute; Association of Academic Health Sciences Libraries; Association of Research Libraries; Bill of Rights Defense Committee; Brennan Center for Justice; Center for Democracy & Technology; Center for Media and Democracy/The Progressive; Charity & Security Network; Citizen Outreach; Competitive Enterprise Institute; Constitution Alliance; The Constitution Project; Council on American-Islamic Relations; Cyber Privacy Project; Defending Dissent Foundation; Electronic Frontier Foundation; Free Press Action Fund; Freedom of the Press Foundation; FreedomWorks; GenOpp; Government Accountability Project; Human Rights Watch; Liberty Coalition; Media Alliance; Medical Library Association; National Coalition Against Censorship; National Security Counselors; New America’s Open Technology Institute; OpenMedia.org; OpenTheGovernment.org; PEN American Center; Public Knowledge; Republican Liberty Caucus; R Street; Rutherford Institute; TechFreedom(7/30/2014)
American Association of Law Libraries; American Association of University Professors; American Booksellers Foundation for Free Expression; American Library Association; American Society of News Editors; Association of American Publishers; Association of Research Libraries; Bill of Rights Defense Committee – BORDC; Californians Aware; Cause of Action; Center for Effective Government (formerly OMB Watch); Center for Media and Democracy; Center for Science and Democracy at the Union of Concerned Scientists; Citizens for Responsibility and Ethics in Washington – CREW; Defending Dissent Foundation; DownsizeDC.org, Inc.; Electronic Frontier Foundation – EFF; Electronic Privacy Information Center – EPIC; First Amendment Coalition; Freedom of Information Center at the Missouri School of Journalism; Freedom to Read Foundation; Friends of the Earth; Government Accountability Project – GAP; iSolon.org; The James Madison Project; Liberty Coalition; Mine Safety and Health News; National Coalition Against Censorship; National Coalition for History; National Freedom of Information Coalition; National Priorities Project; National Security Archive; National Security Counselors; OpenTheGovernment.org; Project On Government Oversight – POGO; Society of American Archivists; Society of Professional Journalists; Special Libraries Association; Taxpayers for Common Sense; Transactional Records Access Clearinghouse – TRAC; Tully Center for Free Speech at Syracuse University; Understanding Government; Utah Foundation for Open Government; Washington Civil Rights Council; Washington Coalition for Open Government(2/19/2013)