| Jerry Fitzgerald | Agribusiness Association of Iowa | Supporting | GA86 |
| Jerry Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Supporting | GA86 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Supporting | GA86 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| David Scott | American Council of Engineering Companies | Undecided | GA86 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA86 |
| Sheila Hansen | Child and Family Policy Center | Opposing | GA86 |
| Gary Grant | City of Cedar Rapids | Undecided | GA86 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA86 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA86 |
| Phil Tuning | Deere & Company | Undecided | GA86 |
| Dane Schumann | Des Moines Water Works | Undecided | GA86 |
| Emily Hockins | Des Moines Water Works | Undecided | GA86 |
| Threase Harms | Des Moines Water Works | Undecided | GA86 |
| Ted Stopulos | Governor's Office | Supporting | GA86 |
| Andrea Woodard | Greater Des Moines Partnership | Supporting | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA86 |
| Joseph Jones | Greater Des Moines Partnership | Supporting | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA86 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA86 |
| Bob Rafferty | Iowa American Water Co. | Supporting | GA86 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Myron Linn | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Supporting | GA86 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA86 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA86 |
| Linda Kinman | Iowa Association of Water Agencies | Undecided | GA86 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA86 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA86 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA86 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA86 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA86 |
| Scott Sundstrom | Iowa Chamber Alliance | Undecided | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Opposing | GA86 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Opposing | GA86 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA86 |
| Paula Feltner | Iowa Conservation Alliance | Undecided | GA86 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Matt Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Supporting | GA86 |
| Tammie Krausman | Iowa Dept. of Natural Resources | Supporting | GA86 |
| Doug Struyk | Iowa Drainage District Association | Undecided | GA86 |
| George Appleby | Iowa Drainage District Association | Undecided | GA86 |
| Jennifer Tyler | Iowa Drainage District Association | Undecided | GA86 |
| Jim Carney | Iowa Drainage District Association | Undecided | GA86 |
| John Torbert | Iowa Drainage District Association | Undecided | GA86 |
| Mona Bond | Iowa Drainage District Association | Undecided | GA86 |
| Shannon Henson | Iowa Drainage District Association | Undecided | GA86 |
| Robert Mulqueen | Iowa Environmental Council | Undecided | GA86 |
| Don Petersen | Iowa Farm Bureau Federation | Undecided | GA86 |
| Marty Schwager | Iowa Farm Bureau Federation | Undecided | GA86 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Undecided | GA86 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA86 |
| Emily Hockins | Iowa Farmers Union | Undecided | GA86 |
| Threase Harms | Iowa Farmers Union | Undecided | GA86 |
| Carolann Jensen | Iowa Finance Authority | Supporting | GA86 |
| Wes Peterson | Iowa Finance Authority | Supporting | GA86 |
| Susan Fenton | Iowa Great Lakes Association | Supporting | GA86 |
| Kayla Lyon | Iowa Institute for Cooperatives | Undecided | GA86 |
| Dustin Miller | Iowa League of Cities | Supporting | GA86 |
| Robert Palmer | Iowa League of Cities | Supporting | GA86 |
| Will Rogers | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA86 |
| Dane Schumann | Iowa Rivers Revival | Undecided | GA86 |
| Emily Hockins | Iowa Rivers Revival | Undecided | GA86 |
| Threase Harms | Iowa Rivers Revival | Undecided | GA86 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA86 |
| Jill Altringer | Iowa Soybean Association | Supporting | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA86 |
| William Peterson | Iowa State Association of Counties | Undecided | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA86 |
| Jill Altringer | Iowa State Dairy Association | Supporting | GA86 |
| Brad Hudson | Iowa State Education Association | Opposing | GA86 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA86 |
| Mike Heller | Iowa Talented and Gifted Association | Undecided | GA86 |
| Paula Feltner | Iowa Talented and Gifted Association | Undecided | GA86 |
| Jill Altringer | Iowa Turkey Federation | Undecided | GA86 |
| Brad Epperly | Iowa Water Well Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Water Well Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Water Well Association | Undecided | GA86 |
| Ernie Adkison | Iowans for Tax Relief | Undecided | GA86 |
| Brice Oakley | Koch Companies Public Sector, LLC and Affiliates | Undecided | GA86 |
| Don Avenson | Koch Companies Public Sector, LLC and Affiliates | Undecided | GA86 |
| Tom Cope | Koch Companies Public Sector, LLC and Affiliates | Undecided | GA86 |
| Brad Epperly | Lewis and Clark Regional Water System | Undecided | GA86 |
| Paula Dierenfeld | Lewis and Clark Regional Water System | Undecided | GA86 |
| Scott Sundstrom | Lewis and Clark Regional Water System | Undecided | GA86 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA86 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA86 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA86 |
| Lyle Krewson | Lutheran Services in IA, Inc. | Undecided | GA86 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA86 |
| Julie Smith | Master Builders of Iowa | Undecided | GA86 |
| David Adelman | Metropolitan Coalition | Undecided | GA86 |
| Frank Chiodo | Metropolitan Coalition | Undecided | GA86 |
| Matt Hinch | Metropolitan Coalition | Undecided | GA86 |
| Brad Epperly | Monsanto Company | Undecided | GA86 |
| Scott Sundstrom | Monsanto Company | Undecided | GA86 |
| John Pederson | Okoboji Tourism Committee | Undecided | GA86 |
| Kelly Nuckolls | Okoboji Tourism Committee | Undecided | GA86 |
| Matt Eide | Okoboji Tourism Committee | Undecided | GA86 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA86 |
| Tom Narak | School Administrators of Iowa | Opposing | GA86 |
| Doug Struyk | The Nature Conservancy | Undecided | GA86 |
| George Appleby | The Nature Conservancy | Undecided | GA86 |
| Jennifer Tyler | The Nature Conservancy | Undecided | GA86 |
| Jim Carney | The Nature Conservancy | Undecided | GA86 |
| Shannon Henson | The Nature Conservancy | Undecided | GA86 |
| Gary Grant | Urban County Coalition | Undecided | GA86 |
| Larry Murphy | Urban County Coalition | Undecided | GA86 |
| Meghan Malloy | Urban County Coalition | Undecided | GA86 |
| Lewis Finch | Urban Education Network of Iowa | Opposing | GA86 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA86 |