| Marcia Nichols | AFSCME IA Council 61 | Supporting | GA83 |
| Mitchell Stille | AFSCME IA Council 61 | Supporting | GA83 |
| Larry Murphy | Agribusiness Assn. of IA | Undecided | GA83 |
| Marc Beltrame | Agribusiness Assn. of IA | Undecided | GA83 |
| Mona Bond | Agribusiness Assn. of IA | Undecided | GA83 |
| Steven Schoenebaum | Agribusiness Assn. of IA | Undecided | GA83 |
| Nicole Woodroffe | Annett Holdings | Undecided | GA83 |
| Robert Weiser | Annett Holdings | Undecided | GA83 |
| Nicole Woodroffe | CRST International | Undecided | GA83 |
| Robert Weiser | CRST International | Undecided | GA83 |
| Brice Oakley | Casey's General Stores | Undecided | GA83 |
| Don Avenson | Casey's General Stores | Undecided | GA83 |
| Tom Cope | Casey's General Stores | Undecided | GA83 |
| Mike St. Clair | Central IA Building & Construction Trades Council | Supporting | GA83 |
| tom fey | Central IA Building & Construction Trades Council | Supporting | GA83 |
| Larry Murphy | City of Cedar Rapids | Supporting | GA83 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA83 |
| James Piazza, Jr. | Heavy Highway Contractors Assn. | Supporting | GA83 |
| Cal Hultman | IA. Alliance of Surety Companies | Supporting | GA83 |
| Mary Hultman | IA. Alliance of Surety Companies | Supporting | GA83 |
| Michael Triplett | IA. Alliance of Surety Companies | Supporting | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Robert Hartwig | IA. Bankers Assn. | Supporting | GA83 |
| Sharon Presnall | IA. Bankers Assn. | Supporting | GA83 |
| Gary Dickey | IA. Biodiesel Board | Undecided | GA83 |
| Tom Shipley | IA. Cattlemen's Assn. | Supporting | GA83 |
| Brad Epperly | IA. Chamber Alliance | Undecided | GA83 |
| James West | IA. Chamber Alliance | Undecided | GA83 |
| Keith Luchtel | IA. Chamber Alliance | Undecided | GA83 |
| Paula Dierenfeld | IA. Chamber Alliance | Undecided | GA83 |
| Scott Sundstrom | IA. Chamber Alliance | Undecided | GA83 |
| Lyle Krewson | IA. Chapter of Sierra Club | Undecided | GA83 |
| Lana Shope | IA. Community Action Assn. | Opposing | GA83 |
| Jerry Fitzgerald | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Maggie Smith-Fitzgerald | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Mark Joyce | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Mindy Poldberg | IA. Corn Growers Assn.(ICG) | Supporting | GA83 |
| Lyle Brehm | IA. County Engineers Assn. | Supporting | GA83 |
| Susan Fenton | IA. Dept. of Agriculture | Undecided | GA83 |
| Amber Markham | IA. Farm Bureau Federation | Supporting | GA83 |
| Joe Johnson | IA. Farm Bureau Federation | Supporting | GA83 |
| Mark Salvador | IA. Farm Bureau Federation | Supporting | GA83 |
| Janice Laue | IA. Federation of Labor, AFL-CIO | Undecided | GA83 |
| Ken Sagar | IA. Federation of Labor, AFL-CIO | Undecided | GA83 |
| Brad Epperly | IA. Grocery Industry Assn. | Undecided | GA83 |
| James West | IA. Grocery Industry Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Grocery Industry Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Grocery Industry Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Grocery Industry Assn. | Undecided | GA83 |
| Drue Sander | IA. Institute for Cooperatives | Undecided | GA83 |
| Alan Kemp | IA. League of Cities | Supporting | GA83 |
| Jessica Hyland | IA. League of Cities | Supporting | GA83 |
| Julie Smith | IA. League of Cities | Supporting | GA83 |
| Larry Pope | IA. League of Cities | Supporting | GA83 |
| Megan Peiffer | IA. League of Cities | Supporting | GA83 |
| Laverne Schroeder | IA. Nebraska Farm Equipment Dealers Assn. | Supporting | GA83 |
| Kevin Vinchattle | IA. Poultry Assn. | Undecided | GA83 |
| Montgomery Shaw | IA. Renewable Fuels Assn. (IRF) | Undecided | GA83 |
| Hanna DeGroot | IA. State Assn. of Counties | Supporting | GA83 |
| Linda Hinton | IA. State Assn. of Counties | Supporting | GA83 |
| Nathan Bonnett | IA. State Assn. of Counties | Supporting | GA83 |
| William Peterson | IA. State Assn. of Counties | Supporting | GA83 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Supporting | GA83 |
| Mike St. Clair | IA. State Building and Construction Trades Council | Supporting | GA83 |
| tom fey | IA. State Building and Construction Trades Council | Supporting | GA83 |
| Ed Wallace | IA. Taxpayers Assn. | Undecided | GA83 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Supporting | GA83 |
| Cloyd Robinson | Iowans for Tax Relief | Opposing | GA83 |
| Edward Failor, | Iowans for Tax Relief | Opposing | GA83 |
| Katie Koberg | Iowans for Tax Relief | Opposing | GA83 |
| Mary Earnhardt | Iowans for Tax Relief | Opposing | GA83 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA83 |
| John Pederson | Kum and Go | Undecided | GA83 |
| Matt Eide | Kum and Go | Undecided | GA83 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA83 |
| Lyle Krewson | Lutheran Services of IA | Undecided | GA83 |
| Marc Beltrame | M2P2, LLC | Undecided | GA83 |
| Michael Blaser | M2P2, LLC | Undecided | GA83 |
| Mona Bond | Manatts Inc. | Supporting | GA83 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of IA | Undecided | GA83 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of IA | Undecided | GA83 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of IA | Undecided | GA83 |
| Amy Campbell | Professional Developers of IA (PDI) | Supporting | GA83 |
| Craig Patterson | Professional Developers of IA (PDI) | Supporting | GA83 |
| Nicole Woodroffe | Renewable Energy Group (REG) | Undecided | GA83 |
| Robert Weiser | Renewable Energy Group (REG) | Undecided | GA83 |
| Steve Falck | Renewable Energy Group (REG) | Undecided | GA83 |
| Dr. Norman | School Administrators of IA | Undecided | GA83 |
| Marc Beltrame | Smithfield Foods, Inc. | Undecided | GA83 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA83 |
| Amy Campbell | Travel Federation of IA | Supporting | GA83 |
| Craig Patterson | Travel Federation of IA | Supporting | GA83 |
| John Pederson | UPS | Undecided | GA83 |
| Matt Eide | UPS | Undecided | GA83 |