Access; Advocacy for Principled Action in Government; American Association of Law Libraries; American Booksellers Foundation for Free Expression; American Civil Liberties Union; American Library Association; Arab American Institute; Association of Research Libraries; Bill of Rights Defense Committee; Brennan Center for Justice; Campaign for Digital Fourth Amendment Rights; Center for Democracy & Technology; Citizen Outreach; Competitive Enterprise Institute; The Constitution Project; Constitutional Alliance; Council on American Islamic Relations; Defending Dissent Foundation; DownsizeDC.org, Inc.; Electronic Frontier Foundation; Freedom of the Press Foundation; FreedomWorks; Free Press Action Fund; GenOpp; Government Accountability Project; Honorable Bob Barr, Former Congressman; Human Rights Watch; Liberty Coalition; Media Alliance; National Coalition Against Censorship; National Security Counselors; New America’s Open Technology Institute; OpenMedia.org; OpenTheGovernment.org; PEN American Center; PolitiHacks; Project on Government Oversight; Public Knowledge; Republican Liberty Caucus; R Street; The Rutherford Institute; Student Net Alliance; TechFreedom(9/4/2014)
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)