| Doug Struyk | Accountants Association of Iowa | Undecided | GA87 |
| Jim Carney | Accountants Association of Iowa | Undecided | GA87 |
| Shannon Henson | Accountants Association of Iowa | Undecided | GA87 |
| Angela Davis | Alamo Rent A Car | Undecided | GA87 |
| Bill Wimmer | Alamo Rent A Car | Undecided | GA87 |
| Drew Klein | Americans For Prosperity | Undecided | GA87 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA87 |
| David Adelman | Community Foundation of Greater Des Moines | Supporting | GA87 |
| Frank Chiodo | Community Foundation of Greater Des Moines | Supporting | GA87 |
| Matt Hinch | Community Foundation of Greater Des Moines | Supporting | GA87 |
| Sara Allen | Community Foundation of Greater Des Moines | Supporting | GA87 |
| Angela Davis | Enterprise Rent-A-Car | Undecided | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA87 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Robert Hartwig | Iowa Bankers Association | Supporting | GA87 |
| Sharon Presnall | Iowa Bankers Association | Supporting | GA87 |
| Angela Davis | Iowa Beverage Association | Undecided | GA87 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Jeff Smith | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Matt Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Supporting | GA87 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA87 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA87 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | 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 |
| Angela Davis | Iowa Lumber Association | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| David Adelman | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA87 |
| Frank Chiodo | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA87 |
| Matt Hinch | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA87 |
| Sara Allen | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA87 |
| Will Rogers | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA87 |
| Jeff Smith | Iowa Pork Producers Association (IPP) | Supporting | GA87 |
| Jerry Fitzgerald | Iowa Pork Producers Association (IPP) | Supporting | GA87 |
| Jonathan DeReus | Iowa Pork Producers Association (IPP) | Supporting | GA87 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association (IPP) | Supporting | GA87 |
| Matt Fitzgerald | Iowa Pork Producers Association (IPP) | Supporting | GA87 |
| Tyler Bettin | Iowa Pork Producers Association (IPP) | Supporting | GA87 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Supporting | GA87 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Supporting | GA87 |
| Paige Thorson | Iowa Society of Certified Public Accountants | Supporting | GA87 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Supporting | GA87 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA87 |
| Paula Feltner | Iowa State Association of Assessors | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Shannon Henson | Iowa State Bar Association | Undecided | GA87 |
| Brad Hudson | Iowa State Education Association | Undecided | GA87 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA87 |
| Jennifer Kingland | Iowa Taxpayers Association | Supporting | GA87 |
| Mike Heller | Iowa Wholesale Beer Distributors Association | Undecided | GA87 |
| Paula Feltner | Iowa Wholesale Beer Distributors Association | Undecided | GA87 |
| Dan Steele | Iowans for Tax Relief | Supporting | GA87 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA87 |
| Angela Davis | Johnson Brothers of Iowa, Inc. | Undecided | GA87 |
| Bill Wimmer | Johnson Brothers of Iowa, Inc. | Undecided | GA87 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA87 |
| Chad Kleppe | Master Builders of Iowa | Supporting | GA87 |
| Doug Struyk | Meredith Corporation | Undecided | GA87 |
| Jim Carney | Meredith Corporation | Undecided | GA87 |
| Shannon Henson | Meredith Corporation | Undecided | GA87 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA87 |
| Angela Davis | National Rent A Car | Undecided | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| Angela Davis | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA87 |