| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA87 |
| Katie Mulholland | Board of Regents, State of Iowa | Undecided | GA87 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA87 |
| Kristin Failor | Board of Regents, State of Iowa | Undecided | GA87 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA87 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA87 |
| MIke Delaney | Citizens For A Healthy Iowa | Supporting | GA87 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA87 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA87 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA87 |
| Joe Murphy | Greater Des Moines Partnership | Undecided | GA87 |
| Paige Thorson | Greater Des Moines Partnership | Undecided | GA87 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA87 |
| Bob Ward | Iowa Annual Conference of United Methodist Church | Undecided | GA87 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Undecided | GA87 |
| Gary Nims | Iowa Annual Conference of United Methodist Church | Undecided | GA87 |
| Kathleen McQuillen | Iowa Annual Conference of United Methodist Church | Undecided | GA87 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Undecided | GA87 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Undecided | GA87 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Undecided | GA87 |
| William Steward | Iowa Annual Conference of United Methodist Church | Undecided | GA87 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA87 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA87 |
| Paige Thorson | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Undecided | GA87 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA87 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA87 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA87 |
| Doug Struyk | Iowa Drainage District Association | Undecided | GA87 |
| Jim Carney | Iowa Drainage District Association | Undecided | GA87 |
| John Torbert | Iowa Drainage District Association | Undecided | GA87 |
| Mona Bond | Iowa Drainage District Association | Undecided | GA87 |
| Shannon Henson | Iowa Drainage District Association | Undecided | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Supporting | GA87 |
| Ralph Rosenberg | Iowa Environmental Council | Supporting | GA87 |
| Connor Slack | Iowa Farmers Union | Undecided | GA87 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA87 |
| Emily Hockins | Iowa Farmers Union | Undecided | GA87 |
| Threase Harms | Iowa Farmers Union | Undecided | GA87 |
| Alan Kemp | Iowa League of Cities | Undecided | GA87 |
| Lindsey McCune | Iowa League of Cities | Undecided | GA87 |
| Robert Palmer | Iowa League of Cities | Undecided | GA87 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA87 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA87 |
| Connor Slack | Iowa Rivers Revival | Supporting | GA87 |
| Dane Schumann | Iowa Rivers Revival | Supporting | GA87 |
| Emily Hockins | Iowa Rivers Revival | Supporting | GA87 |
| Threase Harms | Iowa Rivers Revival | Supporting | GA87 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paige Thorson | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| MIke Delaney | Izaak Walton League - Iowa Division | Supporting | GA87 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA87 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA87 |
| Brad Epperly | Monsanto Company | Undecided | GA87 |
| Dustin Miller | Monsanto Company | Undecided | GA87 |
| Paige Thorson | Monsanto Company | Undecided | GA87 |
| MIke Delaney | Raccoon River Watershed Association | Supporting | GA87 |
| Brad Epperly | Resources Environmental Solutions | Undecided | GA87 |
| Dustin Miller | Resources Environmental Solutions | Undecided | GA87 |
| Paige Thorson | Resources Environmental Solutions | Undecided | GA87 |
| Paula Dierenfeld | Resources Environmental Solutions | Undecided | GA87 |
| Doug Struyk | The Nature Conservancy | Undecided | GA87 |
| Jim Carney | The Nature Conservancy | Undecided | GA87 |
| Shannon Henson | The Nature Conservancy | Undecided | GA87 |