American Association of Law Libraries; American Library Association; Association of Government Accountants; Association of Research Libraries; Data Coalition; Demand Progress; Government Accountability Project; Government Information Watch; Grant Professionals Association; National Grants Management Association; National Taxpayers Union; Native American Finance Officers Association; Project On Government Oversight; R Street Institute; Senior Executives Association; Scholarly Publishing and Academic Resources Coalition(1/14/2019)
American Association of Law Libraries; American Library Association; Americans for Prosperity; Campaign for Accountability; Center for Data Innovation; Center for Responsive Politics; Demand Progress; Data Coalition; Essential Information; Free Government Information; FreedomWorks; Government Information Watch; GovTrack.us; Judicial Watch; Liberty Coalition; Lincoln Network; National Coalition for History; National Immigrant Justice Center; National Security Archive; PEGI Project; Project On Government Oversight; R Street Institute; Senior Executives Association; Society of Professional Journalists; Sunlight Foundation; Taxpayers for Common Sense; Win Without War(7/16/2019)
American Association of Law Libraries; American Library Association; Association of Research Libraries; Citizens for Responsibility and Ethics in Washington; Data Coalition; Demand Progress; Free Government Information; Government Accountability Project; Government Information Watch; GovTrack.us; National Freedom of Information Coalition; National Security Archive; National Security Counselors; Open The Government; Project on Government Oversight; R Street Institute; Senior Executives Association(10/15/2019)