| Amy Campbell | AARP Iowa | Undecided | GA88 |
| Brad Anderson | AARP Iowa | Undecided | GA88 |
| Craig Patterson | AARP Iowa | Undecided | GA88 |
| Drew Klein | Americans For Prosperity | Undecided | GA88 |
| Tyler Raygor | Americans For Prosperity | Undecided | GA88 |
| Kate Walton | Area Education Agencies of Iowa | Undecided | GA88 |
| Matt Eide | Area Education Agencies of Iowa | Undecided | GA88 |
| Tom Lane | Area Education Agencies of Iowa | Undecided | GA88 |
| Dane Schumann | Brain Injury Alliance of Iowa | Supporting | GA88 |
| Maddie Wilcox | Brain Injury Alliance of Iowa | Supporting | GA88 |
| Threase Harms | Brain Injury Alliance of Iowa | Supporting | GA88 |
| Jon Murphy | Coalition for Family and Children's Services in Iowa | Undecided | GA88 |
| Tom Cope | Coalition for Family and Children's Services in Iowa | Undecided | GA88 |
| Angelica Cardenas-Chaisson | Common Good Iowa | Undecided | GA88 |
| MaryNelle Trefz | Common Good Iowa | Undecided | GA88 |
| Sheila Hansen | Common Good Iowa | Undecided | GA88 |
| Karla Fultz McHenry | Delta Dental of Iowa | Undecided | GA88 |
| Lynh Patterson | Delta Dental of Iowa | Undecided | GA88 |
| Bob Rafferty | Easter Seals Iowa | Supporting | GA88 |
| Dane Schumann | Easter Seals Iowa | Supporting | GA88 |
| Maddie Wilcox | Easter Seals Iowa | Supporting | GA88 |
| Bob Rafferty | Epilepsy Foundation Iowa | Undecided | GA88 |
| Dane Schumann | Epilepsy Foundation Iowa | Undecided | GA88 |
| Maddie Wilcox | Epilepsy Foundation Iowa | Undecided | GA88 |
| Threase Harms | Epilepsy Foundation Iowa | Undecided | GA88 |
| Dane Schumann | EveryStep | Supporting | GA88 |
| Maddie Wilcox | EveryStep | Supporting | GA88 |
| Threase Harms | EveryStep | Supporting | GA88 |
| Mike Heller | Father Flanagans Boys Home | Undecided | GA88 |
| Paula Feltner | Father Flanagans Boys Home | Undecided | GA88 |
| Teresa Bomhoff | IA Mental Health Planning Council | Undecided | GA88 |
| Dane Schumann | Iowa Alliance of YMCA's | Supporting | GA88 |
| Maddie Wilcox | Iowa Alliance of YMCA's | Supporting | GA88 |
| Threase Harms | Iowa Alliance of YMCA's | Supporting | GA88 |
| Amy Campbell | Iowa Association of Area Agencies on Aging | Undecided | GA88 |
| Craig Patterson | Iowa Association of Area Agencies on Aging | Undecided | GA88 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA88 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA88 |
| James Kersten | Iowa Association of Community College Trustees | Undecided | GA88 |
| Amy Campbell | Iowa Association of Rural Health Clinics | Undecided | GA88 |
| Craig Patterson | Iowa Association of Rural Health Clinics | Undecided | GA88 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA88 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA88 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA88 |
| James Kersten | Iowa Central Community College | Undecided | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Sheila Corsbie | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Carrie Malone | Iowa Dept. of Human Services | Undecided | GA88 |
| Amy Campbell | Iowa Primary Care Association | Undecided | GA88 |
| Craig Patterson | Iowa Primary Care Association | Undecided | GA88 |
| Amy Campbell | Iowa Psychological Association | Undecided | GA88 |
| Craig Patterson | Iowa Psychological Association | Undecided | GA88 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA88 |
| Amy Campbell | Lutheran Services in IA, Inc. | Undecided | GA88 |
| Craig Patterson | Lutheran Services in IA, Inc. | Undecided | GA88 |
| Karla Fultz McHenry | Opportunity Solutions Project | Withdrawn | GA88 |
| Karla Fultz McHenry | Opportunity Solutions Project | Undecided | GA88 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA88 |
| Amy Campbell | SafeNetRX | Undecided | GA88 |
| Jon Murphy | United Ways of Iowa | Undecided | GA88 |
| Tom Cope | United Ways of Iowa | Undecided | GA88 |