| Dustin Rush | Americans For Prosperity | Supporting | GA91 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Brad Epperly | City of Marion | Undecided | GA91 |
| Casey Nickel | City of Marion | Undecided | GA91 |
| Dustin Miller | City of Marion | Undecided | GA91 |
| Nathan Mueller | County Planning and Zoning Officials of Iowa | Opposing | GA91 |
| Nathan Mueller | County Planning and Zoning Officials of Iowa | Undecided | GA91 |
| Jacob Schrader | Greater Iowa Apartment Association | Supporting | GA91 |
| Logan Murray | Greater Iowa Apartment Association | Supporting | GA91 |
| Sydney Gangestad | Greater Iowa Apartment Association | Supporting | GA91 |
| Clair Lewis | Grow Clinton County | Undecided | GA91 |
| Kate Walton | Grow Clinton County | Undecided | GA91 |
| Matt Eide | Grow Clinton County | Undecided | GA91 |
| Greta Haas | Iowa Association of Realtors | Undecided | GA91 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA91 |
| Jefferson Fink | Iowa Conservation Alliance | Undecided | GA91 |
| Jim Obradovich | Iowa Conservation Alliance | Undecided | GA91 |
| Jefferson Fink | Iowa Environmental Health Association | Opposing | GA91 |
| Jim Obradovich | Iowa Environmental Health Association | Opposing | GA91 |
| Deanna Triplett | Iowa Finance Authority | Undecided | GA91 |
| Bob Rafferty | Iowa Housing Partnership | Undecided | GA91 |
| Nick Laning | Iowa Housing Partnership | Undecided | GA91 |
| Harrison Furlow | Iowa Pork Producers Association | Opposing | GA91 |
| Jeff Smith | Iowa Pork Producers Association | Opposing | GA91 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association | Opposing | GA91 |
| Matt Fitzgerald | Iowa Pork Producers Association | Opposing | GA91 |
| Doug Struyk | Iowa Soybean Association | Opposing | GA91 |
| Jennifer Dorman | Iowa Soybean Association | Opposing | GA91 |
| Jim Carney | Iowa Soybean Association | Opposing | GA91 |
| Katie Hall | Iowa Soybean Association | Opposing | GA91 |
| Megan Decker | Iowa Soybean Association | Opposing | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Opposing | GA91 |
| Beth Manley | Iowa State Association of Counties | Opposing | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA91 |
| Andrea Woodard | Iowa State Association of County Supervisors | Opposing | GA91 |
| Beth Manley | Iowa State Association of County Supervisors | Opposing | GA91 |
| Jamie Cashman | Iowa State Association of County Supervisors | Opposing | GA91 |
| Lucas Beenken | Iowa State Association of County Supervisors | Opposing | GA91 |
| Gary Grant | Linn County Board of Supervisors | Opposing | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Opposing | GA91 |
| Kellie Paschke | Marion County Board of Supervisors | Opposing | GA91 |
| Kelsey Schott | Nationwide Mutual Ins. Co. | Undecided | GA91 |
| Matt McKinney | Nationwide Mutual Ins. Co. | Undecided | GA91 |
| RG Schwarm | Nationwide Mutual Ins. Co. | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |