Publishers
- American Bar Association
- American Bar Association National Task Force on Stand Your Ground Laws
- American Civil Liberties Union (ACLU)
- American Institutes for Research
- American Journal of Medicine
- American Psychological Association
- American Public Health Association
- Americans For Gun Safety Foundation
- Americans for Responsible Solutions
- Americans for Responsible Solutions Foundation
- Amnesty International
- Annie E. Casey Foundation
- Annual Review of Public Health
- Arizona Coalition To End Sexual And Domestic Violence
- Armed Conflict Location & Event Data Project (ACLED)
- Arnold Ventures
- Arthur J. Glatfelter Institute for Public Policy, York College of Pennsylvania
- Berkeley Media Studies Group
- Black Youth Project
- Boston Gun Project
- Brady Campaign to Prevent Gun Violence
- Brady Center To Prevent Gun Violence
- Brady United Against Gun Violence
- Brennan Center for Justice at New York University School of Law
- Bureau of Justice Statistics
- Cato Institute
- Center for American Progress
- Center for Gun Policy and Research at Johns Hopkins Bloomberg School of Public Health
- Center for Law and Social Policy (CLASP)
- Children's Defense Fund
