| Cody Smith | Center for Rural Affairs | Supporting | GA88 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA88 |
| Pete McRoberts | Conservation Districts of Iowa | Undecided | GA88 |
| Robert Mulqueen | Conservation Districts of Iowa | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Carolyn Uhlenhake-Walker | 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 |
| Robert Mulqueen | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Roberta Paige | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Jim Obradovich | Iowa Conservation Alliance | Undecided | GA88 |
| Pete McRoberts | Iowa Conservation Alliance | Undecided | GA88 |
| Angela Davis | Iowa Environmental Council | Supporting | GA88 |
| Angela Davis | Iowa Environmental Council | Undecided | GA88 |
| Maddie Wilcox | Iowa Farmers Union | Undecided | GA88 |
| Threase Harms | Iowa Farmers Union | Undecided | GA88 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA88 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Doug Struyk | Wells Fargo & Company | Supporting | GA88 |
| Jennifer Dorman | Wells Fargo & Company | Supporting | GA88 |
| Jim Carney | Wells Fargo & Company | Supporting | GA88 |