| Arthur Roche | Dubuque Coalition for Nonviolence (CNV) | Opposing | GA91 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA91 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA91 |
| Michelle Johnson | Iowa Association of School Boards | Opposing | GA91 |
| Jeffrey Anderson | Iowa Conference of the United Methodist Church | Opposing | GA91 |
| Jefferson Fink | Iowa Conservation Alliance | Undecided | GA91 |
| Jim Obradovich | Iowa Conservation Alliance | Undecided | GA91 |
| Victoria Sinclair | Iowa Conservation Alliance | Undecided | GA91 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA91 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Supporting | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA91 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA91 |
| Morgan Miller | Iowa State Education Association | Opposing | GA91 |
| Mike Heller | Iowa Talented and Gifted Association | Undecided | GA91 |
| Arthur Roche | Iowans for Gun Safety | Opposing | GA91 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA91 |
| Chloe Gayer | League of Women Voters of Iowa | Opposing | GA91 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA91 |
| Jessica Seelinger | League of Women Voters of Iowa | Opposing | GA91 |
| Nicholas Buggia | National Rifle Association of America | Supporting | GA91 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA91 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA91 |
| Dave Daughton | School Administrators of Iowa | Opposing | GA91 |
| Dave Daughton | School Administrators of Iowa | Undecided | GA91 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA91 |
| John Strathman | VALOR Iowa | Supporting | GA91 |