| 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 |
| Brian Johnson | Alliance Pipeline, Inc. | Undecided | GA87 |
| Craig Walter | Alliance Pipeline, Inc. | 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 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | 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 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA87 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA87 |
| Angela Davis | Iowa Beverage Association | Undecided | GA87 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Jeff Smith | Iowa Corn Growers Association(ICG) | Opposing | GA87 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Opposing | GA87 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Opposing | GA87 |
| Matt Fitzgerald | Iowa Corn Growers Association(ICG) | Opposing | GA87 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Opposing | GA87 |
| Don Petersen | Iowa Farm Bureau Federation | Opposing | GA87 |
| Marty Schwager | Iowa Farm Bureau Federation | Opposing | GA87 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Opposing | 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 |
| 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 | Undecided | 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 | Opposing | GA87 |
| Ernie Adkison | Iowans for Tax Relief | Opposing | GA87 |
| Angela Davis | Johnson Brothers of Iowa, Inc. | Undecided | GA87 |
| Bill Wimmer | Johnson Brothers of Iowa, Inc. | Undecided | GA87 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA87 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA87 |
| Craig Walter | NECA - Iowa (NEC) | Undecided | GA87 |
| Angela Davis | National Rent A Car | Undecided | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| Brian Johnson | NextEra Energy | Undecided | GA87 |
| Craig Walter | NextEra Energy | Undecided | GA87 |
| Angela Davis | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Brian Johnson | U.S. Cellular | Undecided | GA87 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA87 |