Sustaining Members 2019
- Armstrong Journal
- Business Record, Des Moines
- Cedar Rapids Gazette Company
- Centerville Daily Iowegian
- Cityview, Des Moines
- Des Moines Register and Tribune Company
- Iowa Broadcasters Association
- Iowa Cubs
- Iowa Newspaper Association
- Iowa Public Television
- KCCI-TV, Des Moines Hearst Television, Inc.
- KCRG-TV, Cedar Rapids Gray Television Group Inc.
- Meredith Corporation
- N’West Iowa REVIEW, Sheldon
- Quad-City Times, Davenport
- Sioux City Journal
- Storm Lake Times
- WHO-TV, Des Moines Tribune Co.
- Woodward Communications, Inc. TH Media, Dubuque; Dyersville Commercial, Cascade Pioneer, Manchester Press, Mount Vernon-Lisbon Sun, Marion Times, Anamosa Journal-Eureka, Solon Economist, North Liberty Leader, Linn News-Letter
First Amendment Members 2019
- American Civil Liberties Union of Iowa
- Ames Daily Tribune
- Associated Press, Iowa Bureau
- Burlington Hawk Eye
- Carroll Times Herald
- Rob Davis, Urbandale
- Claire Cumbie-Drake, J.D., Des Moines
- David E. Drake, D.O., Des Moines
- Drake University School of Journalism and Mass Communication
- Folience holding company proprieties: Fairfield Ledger, Mount Pleasant News, Washington Journal
- Greenlee School of Journalism and Mass Communication, Iowa State University
- Diane Graham, Des Moines
- Harlan News-Advertiser, Harlan Tribune
- Illinois, Indiana, Iowa Foundation for Fair Contracting
- Iowa Association for Justice
- Iowa Broadcast News Association
- Iowa Center for Public Affairs Journalism
- Iowa High School Press Association
- Iowa Institute for Public Accountability
- KWWL-TV, Waterloo
- RAYGUN LLC
- School of Journalism and Mass Communication, University of Iowa
- Waterloo-Cedar Falls Courier
- David Yepsen, Des Moines