| Robert Weiser | 3M Company and its affiliates | Undecided | GA88 |
| Robert Weiser | Annett Holdings | Undecided | GA88 |
| Robert Weiser | CRST International | Undecided | GA88 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Supporting | GA88 |
| Sydney Gangestad | Everytown for Gun Safety Action Fund | Undecided | GA88 |
| Tim Coonan | Everytown for Gun Safety Action Fund | Undecided | GA88 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA88 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA88 |
| James Kersten | Iowa Association of Community College Trustees | Undecided | GA88 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA88 |
| James Kersten | Iowa Central Community College | Undecided | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Sheila Corsbie | Iowa Conference of United Methodist Church | Supporting | GA88 |
| William Steward | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Derek Drayer | Iowa Firearms Coalition, Inc. | Opposing | GA88 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Opposing | GA88 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Opposing | GA88 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Mike Heller | Iowa State Police Association | Undecided | GA88 |
| Paula Feltner | Iowa State Police Association | Undecided | GA88 |
| Jeremy Brigham | Iowans for Gun Safety | Supporting | GA88 |
| Scott Peterson | Iowans for Gun Safety | Supporting | GA88 |
| Donna Orton | North Iowa Area Community College | Undecided | GA88 |
| Frank Stork | Wellmark, Inc. | Undecided | GA88 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA88 |