Advocacy for Principled Action in Government; American Association of Law Libraries; American Booksellers Foundation for Free Expression; American Civil Liberties Union; American Library Association; Association of Research Libraries; Bill of Rights Defense Committee; The Brennan Center for Justice; Center for Democracy & Technology; Center for Effective Government; Center for Media and Democracy; Center for National Security Studies; Citizens for Responsibility and Ethics in Washington; The Constitution Project; Council on American-Islamic Relations; Cyber Privacy Project; Defending Dissent Foundation; Demand Progress; Electronic Frontier Foundation; Electronic Privacy Information Center; Essential Information; The Federation of American Scientists; Freedom of the Press Foundation; Government Accountability Project; iSolon.org; The National Security Archive; National Security Counselors; OpenTheGovernment.org; Progressive Librarians Guild; Project On Government Oversight; Society of American Archivists(4/23/2013)
American Booksellers Foundation for Free Expression; American Library Association; Association of Research Libraries; Center for Effective Government; Defending Dissent Foundation; Electronic Privacy Information Center; Essential Information; Government Accountability Project; iSolon.org; League of Women Voters of Delaware; National Security Archive; OpenTheGovernment.org; Project On Government Oversight; Public Record Media, LLC; Society of American Archivists; Washington Coalition for Open Government(4/30/2013)
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)