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)
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)