| Jerry Fitzgerald | Agribusiness Association of Iowa | Supporting | GA86 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Supporting | GA86 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Supporting | GA86 |
| Angela Davis | Alamo Rent A Car | Undecided | GA86 |
| Bill Wimmer | Alamo Rent A Car | Undecided | GA86 |
| Drew Klein | Americans For Prosperity | Undecided | GA86 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA86 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA86 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Opposing | GA86 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Undecided | 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 |
| Jim Obradovich | Conservation Districts of Iowa | Supporting | GA86 |
| Phil Tuning | Deere & Company | Supporting | 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 |
| Steven Schoenebaum | Dow AgroSciences | Supporting | GA86 |
| Billi Hunt | Du Pont Businesses | Undecided | GA86 |
| Mark Joyce | Du Pont Businesses | Undecided | GA86 |
| Angela Davis | Enterprise Rent-A-Car | Undecided | GA86 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA86 |
| Steve Falck | Environmental Law and Policy Center | Undecided | GA86 |
| Ted Stopulos | Governor's Office | Supporting | GA86 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA86 |
| Joseph Jones | Greater Des Moines Partnership | Undecided | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA86 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA86 |
| Jay Iverson | Home Builders Association of Iowa | Undecided | GA86 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA86 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Opposing | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Undecided | GA86 |
| Eric Goranson | Iowa Alliance of Surety Companies | Opposing | GA86 |
| Karla Fultz McHenry | Iowa Alliance of Surety Companies | Opposing | GA86 |
| Michael Triplett | Iowa Alliance of Surety Companies | Opposing | GA86 |
| Bob Rafferty | Iowa American Water Co. | Undecided | GA86 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Gary Nims | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Peggy Aguilar | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Undecided | GA86 |
| William Steward | Iowa Annual Conference of United Methodist Church | Undecided | 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 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA86 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA86 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Supporting | GA86 |
| Linda Kinman | Iowa Association of Water Agencies | Undecided | GA86 |
| Angela Davis | Iowa Beverage Association | Undecided | GA86 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA86 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Broadcasters Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Broadcasters Association | Undecided | GA86 |
| Kellie Paschke | Iowa Cattlemen's Association | Supporting | GA86 |
| Troy Skinner | Iowa Cattlemen's Association | Supporting | 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 |
| Neila Seaman | Iowa Chapter of Sierra Club | Undecided | 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 |
| Matt Gronewald | Iowa Dept. of Agriculture | Supporting | GA86 |
| Sharon Tahtinen | 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 | Supporting | GA86 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA86 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA86 |
| Wes Peterson | Iowa Finance Authority | Supporting | GA86 |
| Susan Fenton | Iowa Great Lakes Association | Supporting | GA86 |
| Kayla Lyon | Iowa Institute for Cooperatives | Supporting | GA86 |
| Mike St. Clair | Iowa Institute for Cooperatives | Supporting | GA86 |
| Dustin Miller | Iowa League of Cities | Supporting | GA86 |
| Robert Palmer | Iowa League of Cities | Supporting | GA86 |
| Amy Campbell | Iowa Library Association (ILA) | Undecided | GA86 |
| Craig Patterson | Iowa Library Association (ILA) | Undecided | GA86 |
| Angela Davis | Iowa Lumber Association | Undecided | GA86 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA86 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA86 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA86 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Newspaper Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Newspaper Association | Undecided | GA86 |
| Jerry Fitzgerald | Iowa Pork Producers Association (IPP) | Supporting | GA86 |
| Maggie Smith-Fitzgerald | Iowa Pork Producers Association (IPP) | Supporting | GA86 |
| Matt Fitzgerald | Iowa Pork Producers Association (IPP) | Supporting | GA86 |
| Pat McGonegle | Iowa Pork Producers Association (IPP) | Supporting | GA86 |
| Tyler Bettin | Iowa Pork Producers Association (IPP) | Supporting | GA86 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA86 |
| Emily Piper | Iowa Rural Water Association | Opposing | GA86 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Jill Altringer | Iowa Soybean Association | Supporting | GA86 |
| Jill Altringer | Iowa Soybean Association | Undecided | 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 |
| tom fey | Iowa State Building and Construction Trades Council | Opposing | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Undecided | GA86 |
| Jennifer Kingland | Iowa Taxpayers Association | 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 |
| Erich Schmidt | Laborers International Union of North America | Opposing | GA86 |
| Erich Schmidt | Laborers International Union of North America | Undecided | GA86 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA86 |
| Craig Patterson | League of Women Voters of Iowa | 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 |
| Amy Campbell | Loess Hills Alliance | Undecided | GA86 |
| Craig Patterson | Loess Hills Alliance | Undecided | GA86 |
| Lyle Krewson | Lutheran Services in IA, Inc. | Undecided | GA86 |
| Chad Kleppe | Master Builders of Iowa | Opposing | GA86 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA86 |
| Julie Smith | Master Builders of Iowa | Opposing | GA86 |
| Julie Smith | Master Builders of Iowa | Undecided | GA86 |
| Brad Epperly | Monsanto Company | Supporting | GA86 |
| Brad Epperly | Monsanto Company | Undecided | GA86 |
| Scott Sundstrom | Monsanto Company | Supporting | GA86 |
| Scott Sundstrom | Monsanto Company | Undecided | GA86 |
| Angela Davis | Mystique Casino | Undecided | GA86 |
| Bill Wimmer | Mystique Casino | Undecided | GA86 |
| Angela Davis | National Rent A Car | Undecided | GA86 |
| Bill Wimmer | National Rent A Car | Undecided | GA86 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA86 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA86 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Undecided | GA86 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Undecided | GA86 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA86 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA86 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | 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 |
| Amy Campbell | Travel Federation of Iowa | Undecided | GA86 |
| Craig Patterson | Travel Federation of Iowa | Undecided | GA86 |
| John Pederson | Tyson Foods, Inc. | Undecided | GA86 |
| Kelly Nuckolls | Tyson Foods, Inc. | Undecided | GA86 |
| Matt Eide | Tyson Foods, Inc. | Undecided | GA86 |
| Gary Grant | Urban County Coalition | Undecided | GA86 |
| Larry Murphy | Urban County Coalition | Undecided | GA86 |
| Meghan Malloy | Urban County Coalition | Undecided | GA86 |
| Jim Obradovich | Utility Management Organizations of Iowa | Supporting | GA86 |
| Mike Heller | Waste Management, Inc. | Undecided | GA86 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA86 |