| Brian Guillaume | AFSCME Iowa Council 61 | Undecided | GA85 |
| Joe Nehring | AFSCME Iowa Council 61 | Undecided | GA85 |
| Marcia Nichols | AFSCME Iowa Council 61 | Undecided | GA85 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA85 |
| Sherri Carnahan | AFSCME Iowa Council 61 | Undecided | GA85 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA85 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA85 |
| Craig Lang | Board of Regents, State of Iowa | Undecided | GA85 |
| Jeneane Beck | Board of Regents, State of Iowa | Undecided | GA85 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA85 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA85 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA85 |
| Matt Ohloff | Food & Water Watch | Supporting | GA85 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Broadcasters Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Broadcasters Association | Undecided | GA85 |
| David Goodner | Iowa Citizens for Community Improvement Action Fund | Supporting | GA85 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Supporting | GA85 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA85 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Newspaper Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Newspaper Association | Undecided | GA85 |
| Mike Heller | Iowa Talented and Gifted Association | Undecided | GA85 |
| Paula Feltner | Iowa Talented and Gifted Association | Undecided | GA85 |
| Mike Heller | Kaplan Higher Education | Undecided | GA85 |
| Paula Feltner | Kaplan Higher Education | Undecided | GA85 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA85 |
| Marc Beltrame | Master Builders of Iowa | Undecided | GA85 |
| Matt McKinney | Master Builders of Iowa | Undecided | GA85 |
| F. Thornton | Summit Group | Undecided | GA85 |