| Dane Schumann | Des Moines Water Works | Undecided | GA87 |
| Emily Hockins | Des Moines Water Works | Undecided | GA87 |
| Threase Harms | Des Moines Water Works | Undecided | GA87 |
| Dane Schumann | Grow Clinton County | Undecided | GA87 |
| Emily Hockins | Grow Clinton County | Undecided | GA87 |
| Threase Harms | Grow Clinton County | 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 |
| 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 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA87 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA87 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA87 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Opposing | GA87 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA87 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA87 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Supporting | GA87 |
| Jennifer Terry | Iowa Environmental Council | Undecided | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA87 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA87 |
| Emily Hockins | Iowa Farmers Union | Undecided | GA87 |
| Threase Harms | Iowa Farmers Union | Undecided | GA87 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA87 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Grocery Industry Association | 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 |
| Dane Schumann | Iowa Rivers Revival | Undecided | GA87 |
| Emily Hockins | Iowa Rivers Revival | Undecided | GA87 |
| Threase Harms | Iowa Rivers Revival | Undecided | GA87 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA87 |
| Pete McRoberts | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA87 |
| Robert Mulqueen | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA87 |
| Mike Heller | Iowa State Snowmobile Association | Undecided | GA87 |
| Paula Feltner | Iowa State Snowmobile Association | Undecided | GA87 |
| Doug Struyk | The Nature Conservancy | Undecided | GA87 |
| Jennifer Dorman | The Nature Conservancy | Undecided | GA87 |
| Jim Carney | The Nature Conservancy | Undecided | GA87 |
| Mike Heller | Waste Management, Inc. | Undecided | GA87 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA87 |