| Jeremy Vos | Homeschool Iowa | Undecided | GA91 |
| Jason Benell | Iowa Atheists and Freethinkers | Opposing | GA91 |
| Robert Cook | Iowa Atheists and Freethinkers | Opposing | GA91 |
| Robert Hoffman | Iowa Atheists and Freethinkers | Opposing | GA91 |
| Brad Cranston | Iowa Baptists For Biblical Values | Supporting | GA91 |
| Carrie Malone | Iowa Department of Health and Human Services | Undecided | GA91 |
| Nick Crawford | Iowa Department of Health and Human Services | Undecided | GA91 |
| Sonya Streit | Iowa Department of Health and Human Services | Undecided | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Undecided | GA91 |
| Catherine Pollard | Iowa Emergency Management Association | Undecided | GA91 |
| Nick Laning | Iowa Emergency Management Association | Undecided | GA91 |
| Threase Harms | Iowa Emergency Management Association | Undecided | GA91 |
| Jeff Pitts | Iowa Faith and Freedom Coalition | Supporting | GA91 |
| Clair Lewis | Iowa Medical Society | Undecided | GA91 |
| Kate Walton | Iowa Medical Society | Undecided | GA91 |
| Matt Eide | Iowa Medical Society | Undecided | GA91 |
| Clair Lewis | Iowa Pharmacy Association | Undecided | GA91 |
| Kate Walton | Iowa Pharmacy Association | Undecided | GA91 |
| Matt Eide | Iowa Pharmacy Association | Undecided | GA91 |
| Clair Lewis | Iowa Public Health Association | Opposing | GA91 |
| Kate Walton | Iowa Public Health Association | Opposing | GA91 |
| Matt Eide | Iowa Public Health Association | Opposing | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Kyrstin Delagardelle | Planned Parenthood Advocates of Iowa | Undecided | GA91 |
| John Strathman | VALOR Iowa | Supporting | GA91 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA91 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA91 |