| Doug Struyk | Accountants Association of Iowa | Supporting | GA85 |
| George Appleby | Accountants Association of Iowa | Supporting | GA85 |
| Jennifer Tyler | Accountants Association of Iowa | Supporting | GA85 |
| Jim Carney | Accountants Association of Iowa | Supporting | GA85 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA85 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA85 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA85 |
| Kellie Paschke | Heartland Car Wash Association | Undecided | GA85 |
| Lindsay Phillips | Heartland Car Wash Association | Undecided | GA85 |
| Troy Skinner | Heartland Car Wash Association | Undecided | GA85 |
| Angela Davis | Home Builders Association of Iowa | Undecided | GA85 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA85 |
| Bill Wimmer | Hy-Vee, Inc. | 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 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA85 |
| Sharon Presnall | Iowa Bankers 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 |
| David Goodner | Iowa Citizens for Community Improvement Action Fund | Opposing | GA85 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA85 |
| Michael Triplett | Iowa Funeral Directors Association | Undecided | 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 |
| Mike Heller | Iowa Retail Federation | Undecided | GA85 |
| Paula Feltner | Iowa Retail Federation | Undecided | 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 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA85 |
| George Appleby | Iowa State Bar Association | Supporting | GA85 |
| Jennifer Tyler | Iowa State Bar Association | Supporting | GA85 |
| Jim Carney | Iowa State Bar Association | Supporting | GA85 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA85 |
| Lindsay McQuarry | Iowans for Tax Relief | Supporting | GA85 |
| Robert Solt | Iowans for Tax Relief | Supporting | GA85 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Undecided | GA85 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Lindsay Phillips | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA85 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Undecided | GA85 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Opposing | GA85 |