| MARK MAXWELL | ABATE of Iowa | Supporting | GA86 |
| Michael Williams | American Suppressor Association | Supporting | GA86 |
| Michael Williams | American Suppressor Association | Withdrawn | GA86 |
| Michael Williams | American Suppressor Association | Undecided | GA86 |
| David Adelman | Cedar Rapids Physician - Hospital Organization | Opposing | GA86 |
| David Adelman | Cedar Rapids Physician - Hospital Organization | Undecided | GA86 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA86 |
| David Adelman | Iowa Academy of Family Physicians | Opposing | GA86 |
| David Adelman | Iowa Academy of Family Physicians | Undecided | GA86 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Broadcasters Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Broadcasters Association | Undecided | GA86 |
| David Adelman | Iowa Chapter-American Academy of Pediatrics | Opposing | GA86 |
| David Adelman | Iowa Chapter-American Academy of Pediatrics | Undecided | GA86 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA86 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA86 |
| Barry Snell | Iowa Firearms Coalition, Inc. | Supporting | GA86 |
| John Reed | Iowa Firearms Coalition, Inc. | Supporting | GA86 |
| John Reed | Iowa Firearms Coalition, Inc. | Undecided | GA86 |
| Kate Strickler | Iowa Medical Society | Undecided | GA86 |
| Megan Bendixen | Iowa Medical Society | Undecided | GA86 |
| Sandra Conlin | Iowa Medical Society | Undecided | GA86 |
| Brad Epperly | Iowa Newspaper Association | Opposing | GA86 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Newspaper Association | Opposing | GA86 |
| Paula Dierenfeld | Iowa Newspaper Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Newspaper Association | Opposing | GA86 |
| Scott Sundstrom | Iowa Newspaper Association | Undecided | GA86 |
| Karl Schilling | Iowa Organization for Victim Assistance | Supporting | GA86 |
| David Adelman | Iowa Osteopathic Medical Association | Opposing | GA86 |
| David Adelman | Iowa Osteopathic Medical Association | Undecided | GA86 |
| Dustin Noble | Iowa Peace Officers Association | Supporting | GA86 |
| Kellie Paschke | Iowa Peace Officers Association | Supporting | GA86 |
| Troy Skinner | Iowa Peace Officers Association | Supporting | GA86 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA86 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA86 |
| Meghan Malloy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA86 |
| Mike Heller | Iowa State Police Association | Undecided | GA86 |
| Paula Feltner | Iowa State Police Association | Undecided | GA86 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Supporting | GA86 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA86 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Supporting | GA86 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA86 |
| Rev Thomas | Iowans for Gun Safety | Opposing | GA86 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA86 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA86 |
| Heather Calio | National Rifle Association of America | Supporting | GA86 |
| Heather Calio | National Rifle Association of America | Undecided | GA86 |
| Trevor Santos | National Shooting Sports Foundation, Inc. | Supporting | GA86 |