| Brad Epperly | Greater Des Moines Partnership | Undecided | GA85 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA85 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Undecided | GA85 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA85 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA85 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA85 |
| Scott Sundstrom | Iowa Chamber Alliance | Undecided | GA85 |
| Don Petersen | Iowa Farm Bureau Federation | Opposing | GA85 |
| Marty Schwager | Iowa Farm Bureau Federation | Opposing | GA85 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | GA85 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Grocery Industry Association | Undecided | GA85 |
| Courtney Willits | Iowa Rivers Revival | Supporting | GA85 |
| Kent Hartwig | Iowa Rivers Revival | Supporting | GA85 |
| Threase Harms | Iowa Rivers Revival | Supporting | GA85 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA85 |
| Hanna DeGroot | Iowa State Association of Counties | Supporting | GA85 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA85 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA85 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA85 |
| William Peterson | Iowa State Association of Counties | Supporting | GA85 |
| Hanna DeGroot | Pheasants Forever, Inc., and Affiliate Councils & Chapters | Supporting | GA85 |
| Jamie Cashman | Pheasants Forever, Inc., and Affiliate Councils & Chapters | Supporting | GA85 |
| Lucas Beenken | Pheasants Forever, Inc., and Affiliate Councils & Chapters | Supporting | GA85 |
| Doug Struyk | The Nature Conservancy | Supporting | GA85 |
| George Appleby | The Nature Conservancy | Supporting | GA85 |
| Jennifer Tyler | The Nature Conservancy | Supporting | GA85 |
| Jim Carney | The Nature Conservancy | Supporting | GA85 |
| Courtney Willits | YMCA State Alliance | Undecided | GA85 |
| Kent Hartwig | YMCA State Alliance | Undecided | GA85 |
| Threase Harms | YMCA State Alliance | Undecided | GA85 |