Advocacy for Principled Action in Government; American Civil Liberties Union; American-Arab Anti-Discrimination Committee; Arab American Institute; American Library Association; Bill of Rights Defense Committee; Brennan Center for Justice; Campaign for Liberty; Constitutional Alliance; Defending Dissent Foundation; Demand Progress; Electronic Privacy Information Center (EPIC); Electronic Frontier Foundation; Free Speech Coalition; Fight for the Future; Government Accountability Project; The Niskanen Center; Media Freedom Foundation; National Security Counselors; National Association of Criminal Defense; Lawyers; Liberty Coalition; New America's Open Technology Institute; OpenTheGovernment.org; Project Censored; Project On Government Oversight; Public Citizen; Restore The Fourth; RootsAction.org; R Street; Sunlight Foundation; TechFreedom; X-Lab(4/7/2016)
Access; Advocacy for Principled Action in Government; AeroFS; American Library Association; Citizens for Responsibility and Ethics in Washington (CREW); Cloudflare; Computer & Communications Industry Association (CCIA); Constitutional Alliance; Defending Dissent Foundation; Electronic Frontier Foundation; Electronic Privacy Information Center (EPIC); Fight for the Future; Golden Frog; Liberty Coalition; New America's Open Technology Institute; OpentheGovernment.org; PEN American Center; Silent Circle, LLC; Sunlight Foundation; World Privacy Forum(11/20/2014)
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)