| Melissa Speed | AFSCME Council 61 | Opposing | GA91 |
| Jon Murphy | American Planning Association Iowa Chapter | Undecided | GA91 |
| Tom Cope | American Planning Association Iowa Chapter | Undecided | GA91 |
| 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 |
| Scott VanDeWoestyne | City of Davenport | Undecided | GA91 |
| Doug Struyk | City of Des Moines | Undecided | GA91 |
| Emilee Harris-Puricelli | City of Des Moines | Undecided | GA91 |
| Jen Schulte | City of Des Moines | Undecided | GA91 |
| Jennifer Dorman | City of Des Moines | Undecided | GA91 |
| Jim Carney | City of Des Moines | Undecided | GA91 |
| Doug Struyk | City of Iowa City | Undecided | GA91 |
| Jennifer Dorman | City of Iowa City | Undecided | GA91 |
| Jim Carney | City of Iowa City | Undecided | GA91 |
| Brad Epperly | City of Marion | Undecided | GA91 |
| Casey Nickel | City of Marion | Undecided | GA91 |
| Dustin Miller | City of Marion | Undecided | GA91 |
| David Peck | Iowa Association of Municipal Utilities | Undecided | GA91 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Undecided | GA91 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA91 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA91 |
| Briana Kouma | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Jessica Mazour | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA91 |
| Catherine Pollard | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Undecided | GA91 |
| Catherine Pollard | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Opposing | GA91 |
| Nick Laning | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Undecided | GA91 |
| Nick Laning | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Opposing | GA91 |
| Threase Harms | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Undecided | GA91 |
| Threase Harms | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Opposing | GA91 |
| Catherine Pollard | Iowa Chapter of the National Emergency Number Association (NENA) | Undecided | GA91 |
| Catherine Pollard | Iowa Chapter of the National Emergency Number Association (NENA) | Opposing | GA91 |
| Nick Laning | Iowa Chapter of the National Emergency Number Association (NENA) | Undecided | GA91 |
| Nick Laning | Iowa Chapter of the National Emergency Number Association (NENA) | Opposing | GA91 |
| Threase Harms | Iowa Chapter of the National Emergency Number Association (NENA) | Undecided | GA91 |
| Threase Harms | Iowa Chapter of the National Emergency Number Association (NENA) | Opposing | GA91 |
| David Adelman | Iowa County Attorneys Association | Undecided | GA91 |
| Frank Chiodo | Iowa County Attorneys Association | Undecided | GA91 |
| Paige Thorson | Iowa County Attorneys Association | Undecided | GA91 |
| Sara Allen | Iowa County Attorneys Association | Undecided | GA91 |
| Lyle Brehm | Iowa County Engineers Association | Undecided | GA91 |
| Bob Rafferty | Iowa County Recorders Association | Undecided | GA91 |
| Bob Rafferty | Iowa County Recorders Association | Opposing | GA91 |
| Nick Laning | Iowa County Recorders Association | Undecided | GA91 |
| Nick Laning | Iowa County Recorders Association | Opposing | GA91 |
| Catherine Pollard | Iowa Emergency Management Association | Opposing | GA91 |
| Nick Laning | Iowa Emergency Management Association | Opposing | GA91 |
| Threase Harms | Iowa Emergency Management Association | Opposing | GA91 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA91 |
| Brad Epperly | Iowa Newspaper Association | Opposing | GA91 |
| Casey Nickel | Iowa Newspaper Association | Undecided | GA91 |
| Casey Nickel | Iowa Newspaper Association | Opposing | GA91 |
| Dustin Miller | Iowa Newspaper Association | Undecided | GA91 |
| Dustin Miller | Iowa Newspaper Association | Opposing | GA91 |
| Kellie Paschke | Iowa Peace Officers Association | Opposing | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA91 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA91 |
| Logan Shine | Iowa Rural Water Association | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Opposing | GA91 |
| Beth Manley | Iowa State Association of Counties | Undecided | GA91 |
| Beth Manley | Iowa State Association of Counties | Opposing | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA91 |
| Andrea Woodard | Iowa State Association of County Supervisors | Undecided | GA91 |
| Beth Manley | Iowa State Association of County Supervisors | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA91 |
| Kris Rowley | Iowa State County Treasurers Association | Opposing | GA91 |
| Jeff Smith | Iowa State Police Association | Opposing | GA91 |
| Maggie Smith-Fitzgerald | Iowa State Police Association | Opposing | GA91 |
| Matt Fitzgerald | Iowa State Police Association | Opposing | GA91 |
| Jake Highfill | Iowa State Sheriffs' & Deputies' Association | Undecided | GA91 |
| Jake Highfill | Iowa State Sheriffs' & Deputies' Association | Opposing | GA91 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Undecided | GA91 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Opposing | GA91 |
| Andy Conlin | Iowans for Tax Relief | Supporting | GA91 |
| Chris Hagenow | Iowans for Tax Relief | Supporting | GA91 |
| Jake Highfill | Iowans for Tax Relief | Supporting | GA91 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA91 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | 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 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |