American Civil Liberties Union; American Library Association; Association of Research Libraries; Bill of Rights Defense Committee; Campaign for Liberty; Center for Democracy & Technology; Center for Financial Privacy and Human Rights; Computer & Communications Industry Association; The Constitution Project; Constitutional Alliance; Consumer Action; Consumer Federation of America; Consumer Watchdog; Defending Dissent Foundation; Distributed Computing Industry Association; Electronic Frontier Foundation; Fight for the Future; FreedomWorks; Global Network Initiative; Human Rights Watch; Interactive Advertising Bureau; Internet Infrastructure Coalition; National Association of Criminal Defense Lawyers; NetChoice; New America's Open Technology Institute; Niskanen Center; Project Censored/Media Freedom Foundation; R Street Institute; Restore the Fourth; RootsAction.org; Software & Information Industry Association; TechFreedom; X-Lab(12/16/2015)
American Civil Liberties Union; American Library Association; American Society of News Editors; Association of Alternative Newsmedia; Bill of Rights Defense Committee; Campaign for Accountability; Center for Science and Democracy at the Union of Concerned Scientists; Citizens for Responsibility and Ethics in Washington; Defending Dissent Foundation; Demand Progress; Electronic Privacy Information Center (EPIC); Government Accountability Project; National Security Archive; The OpenGov Foundation; OpenTheGovernment.org; Project On Government Oversight (POGO); Rural Coalition; Society of Professional Journalists; Sunlight Foundation(6/12/2015)