| Marcia Nichols | AFSCME IA Council 61 | Supporting | GA83 |
| Mitchell Stille | AFSCME IA Council 61 | Supporting | GA83 |
| Larry Murphy | Agribusiness Assn. of IA | Undecided | GA83 |
| Marty Ryan | American Civil Liberties Union of IA (ACLU-IA) | Supporting | GA83 |
| Jerry Fitzgerald | Broadlawns Medical Center | Undecided | GA83 |
| Maggie Smith-Fitzgerald | Broadlawns Medical Center | Undecided | GA83 |
| Mark Joyce | Broadlawns Medical Center | Undecided | GA83 |
| Mona Bond | City of Ankeny | Undecided | GA83 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA83 |
| Bruce Bergman | City of Des Moines | Undecided | GA83 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA83 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA83 |
| Mark Joyce | City of Des Moines | Undecided | GA83 |
| Dave Parker | Great Plains Laborers District Council | Supporting | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Jerry Fitzgerald | IA. Assn. of Community College Trustees (IACCT) | Undecided | GA83 |
| Maggie Smith-Fitzgerald | IA. Assn. of Community College Trustees (IACCT) | Undecided | GA83 |
| Mark Joyce | IA. Assn. of Community College Trustees (IACCT) | Undecided | GA83 |
| Don Brazelton | IA. Assn. of County Conservation Boards | Undecided | GA83 |
| Julie Smith | IA. Assn. of Municipal Utilities | Undecided | GA83 |
| Larry Pope | IA. Assn. of Municipal Utilities | Undecided | GA83 |
| Emily Piper | IA. Assn. of School Boards | Undecided | GA83 |
| Margaret Buckton | IA. Assn. of School Boards | Undecided | GA83 |
| Mary Gannon | IA. Assn. of School Boards | Undecided | GA83 |
| Larry Murphy | IA. Catholic Conference | Undecided | GA83 |
| John Cacciatore | IA. Citizen Action Network (ICAN) | Supporting | GA83 |
| Nancy Robertson | IA. Coalition Against Domestic Violence | Supporting | GA83 |
| Rachel Scott | IA. Commission on the Status of Women | Supporting | GA83 |
| NaomiSeaYoung Wittstruck | IA. Conference of United Methodist Church | Supporting | GA83 |
| Joe Kelly | IA. County Attorneys Assn. | Undecided | GA83 |
| Susan Cameron Daemen | IA. County Attorneys Assn. | Undecided | GA83 |
| Diane Foss | IA. Dept. of Economic Development (IDED) | Undecided | GA83 |
| Konni Cawiezell | IA. Dept. of Education | Undecided | GA83 |
| Lynh Patterson | IA. Dept. of Public Health | Undecided | GA83 |
| Janice Laue | IA. Federation of Labor, AFL-CIO | Supporting | GA83 |
| Ken Sagar | IA. Federation of Labor, AFL-CIO | Supporting | GA83 |
| Greg Boattenhamer | IA. Hospital Assn. | Undecided | GA83 |
| J. Norris | IA. Hospital Assn. | Undecided | GA83 |
| Shannon Strickler | IA. Hospital Assn. | Undecided | GA83 |
| Alan Kemp | IA. League of Cities | Undecided | GA83 |
| Alan Kemp | IA. League of Cities | Opposing | GA83 |
| Jessica Hyland | IA. League of Cities | Undecided | GA83 |
| Jessica Hyland | IA. League of Cities | Opposing | GA83 |
| Julie Smith | IA. League of Cities | Undecided | GA83 |
| Julie Smith | IA. League of Cities | Opposing | GA83 |
| Larry Pope | IA. League of Cities | Undecided | GA83 |
| Larry Pope | IA. League of Cities | Opposing | GA83 |
| Megan Peiffer | IA. League of Cities | Undecided | GA83 |
| Megan Peiffer | IA. League of Cities | Opposing | GA83 |
| Mary Neubauer | IA. Lottery Authority | Undecided | GA83 |
| David Adelman | IA. Medical Society | Undecided | GA83 |
| Eric Nemmers | IA. Medical Society | Undecided | GA83 |
| Karla Fultz McHenry | IA. Medical Society | Undecided | GA83 |
| Betty Lord-Dinan | IA. Nurses Assn. | Supporting | GA83 |
| Linda Goeldner | IA. Nurses Assn. | Supporting | GA83 |
| Kyle Carlson | IA. Planned Parenthood Affiliate League | Supporting | GA83 |
| Hanna DeGroot | IA. State Assn. of Counties | Opposing | GA83 |
| Linda Hinton | IA. State Assn. of Counties | Opposing | GA83 |
| Nathan Bonnett | IA. State Assn. of Counties | Opposing | GA83 |
| William Peterson | IA. State Assn. of Counties | Opposing | GA83 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Opposing | GA83 |
| Brad Hudson | IA. State Education Assn. | Undecided | GA83 |
| Jon Studer | IA. State Education Assn. | Undecided | GA83 |
| Connie Ryan | Interfaith Alliance of IA Action Fund | Supporting | GA83 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA83 |
| John Pederson | Missouri River Energy Services | Undecided | GA83 |
| Matt Eide | Missouri River Energy Services | Undecided | GA83 |
| Heather Matson | Planned Parenthood Affiliate League | Supporting | GA83 |
| Heather Matson | Planned Parenthood of the Heartland | Supporting | GA83 |
| Kyle Carlson | Planned Parenthood of the Heartland | Supporting | GA83 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA83 |
| Dr. Norman | School Administrators of IA | Undecided | GA83 |