| Marcia Nichols | AFSCME IA Council 61 | Undecided | GA84 |
| David Scott | American Council of Engineering Companies | Undecided | GA84 |
| Christopher Riley | Archer Daniels Midland Company | Undecided | GA84 |
| Frank Chiodo | Associated General Contractors of IA | Supporting | GA84 |
| Ned Chiodo | Associated General Contractors of IA | Supporting | GA84 |
| Scott Newhard | Associated General Contractors of IA | Supporting | GA84 |
| Susan Walter | Black Hills Energy | Undecided | GA84 |
| Gary Grant | City of Cedar Rapids | Undecided | GA84 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA84 |
| Thomas Stanberry | City of Iowa City | Supporting | GA84 |
| Cal Hultman | Community Bankers of IA. | Undecided | GA84 |
| Michael Triplett | Community Bankers of IA. | Undecided | GA84 |
| Brad Epperly | Deere & Company | Undecided | GA84 |
| Jason Francque | Deere & Company | Undecided | GA84 |
| Keith Luchtel | Deere & Company | Undecided | GA84 |
| Paula Dierenfeld | Deere & Company | Undecided | GA84 |
| Scott Sundstrom | Deere & Company | Undecided | GA84 |
| Billi Hunt | Du Pont Businesses | Undecided | GA84 |
| Steve Falck | Environmental Law and Policy Center | Undecided | GA84 |
| Mike St. Clair | General Motors LLC | Opposing | GA84 |
| tom fey | General Motors LLC | Opposing | GA84 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA84 |
| Keith Luchtel | Greater Des Moines Partnership | Undecided | GA84 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA84 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA84 |
| James Piazza, Jr. | Heavy Highway Contractors Assn. | Supporting | GA84 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA84 |
| Craig Schoenfeld | Hy-Vee, Inc. | Undecided | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Kevin Condon | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Undecided | GA84 |
| Brad Epperly | IA. Automobile Dealers Assn. | Opposing | GA84 |
| Keith Luchtel | IA. Automobile Dealers Assn. | Opposing | GA84 |
| Paula Dierenfeld | IA. Automobile Dealers Assn. | Opposing | GA84 |
| Scott Sundstrom | IA. Automobile Dealers Assn. | Opposing | GA84 |
| Robert Hartwig | IA. Bankers Assn. | Supporting | GA84 |
| Sharon Presnall | IA. Bankers Assn. | Supporting | GA84 |
| Gary Dickey | IA. Biodiesel Board | Supporting | GA84 |
| Randy Olson | IA. Biodiesel Board | Supporting | GA84 |
| Brad Epperly | IA. Chamber Alliance | Undecided | GA84 |
| John Stineman | IA. Chamber Alliance | Undecided | GA84 |
| Keith Luchtel | IA. Chamber Alliance | Undecided | GA84 |
| Paula Dierenfeld | IA. Chamber Alliance | Undecided | GA84 |
| Scott Sundstrom | IA. Chamber Alliance | Undecided | GA84 |
| Neila Seaman | IA. Chapter of Sierra Club | Undecided | GA84 |
| Adam Mason | IA. Citizens for Community Improvement Action Fund | Undecided | GA84 |
| Jerry Fitzgerald | IA. Corn Growers Assn.(ICG) | Supporting | GA84 |
| Maggie Smith-Fitzgerald | IA. Corn Growers Assn.(ICG) | Supporting | GA84 |
| Mark Joyce | IA. Corn Growers Assn.(ICG) | Supporting | GA84 |
| Mindy Poldberg | IA. Corn Growers Assn.(ICG) | Supporting | GA84 |
| Lyle Brehm | IA. County Engineers Assn. | Supporting | GA84 |
| Elizabeth Baird | IA. Dept. of Transportation | Undecided | GA84 |
| David Scott | IA. Engineering Society | Undecided | GA84 |
| Don Petersen | IA. Farm Bureau Federation | Supporting | GA84 |
| Marty Schwager | IA. Farm Bureau Federation | Supporting | GA84 |
| Matthew Steinfeldt | IA. Farm Bureau Federation | Supporting | GA84 |
| Jen Schulte | IA. Farmers Union | Undecided | GA84 |
| Kent Hartwig | IA. Farmers Union | Undecided | GA84 |
| Threase Harms | IA. Farmers Union | Undecided | GA84 |
| David Scott | IA. Good Roads Assn. | Supporting | GA84 |
| Brad Epperly | IA. Grocery Industry Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Grocery Industry Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Grocery Industry Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Grocery Industry Assn. | Undecided | GA84 |
| James Piazza, Jr. | IA. Independent Automobile Dealers Assn. | Undecided | GA84 |
| Drue Sander | IA. Institute for Cooperatives | Supporting | GA84 |
| Drue Sander | IA. Institute for Cooperatives | Undecided | GA84 |
| Kayla Lyon | IA. Institute for Cooperatives | Supporting | GA84 |
| Kayla Lyon | IA. Institute for Cooperatives | Undecided | GA84 |
| Alan Kemp | IA. League of Cities | Supporting | GA84 |
| Bruce Bergman | IA. League of Cities | Supporting | GA84 |
| Jessica Hyland | IA. League of Cities | Supporting | GA84 |
| Julie Smith | IA. League of Cities | Supporting | GA84 |
| Katherine Carlucci | IA. League of Cities | Supporting | GA84 |
| Larry Pope | IA. League of Cities | Supporting | GA84 |
| Megan Peiffer | IA. League of Cities | Supporting | GA84 |
| David Scott | IA. Motor Truck Assn. | Supporting | GA84 |
| Laverne Schroeder | IA. Nebraska Farm Equipment Dealers Assn. | Supporting | GA84 |
| Laverne Schroeder | IA. Nebraska Farm Equipment Dealers Assn. | Undecided | GA84 |
| Will Rogers | IA. Nebraska Farm Equipment Dealers Assn. | Supporting | GA84 |
| Will Rogers | IA. Nebraska Farm Equipment Dealers Assn. | Undecided | GA84 |
| Brad Epperly | IA. Propane Gas Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Propane Gas Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Propane Gas Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Propane Gas Assn. | Undecided | GA84 |
| Jerry Fitzgerald | IA. Public Transit Assn. (IPT) | Undecided | GA84 |
| Maggie Smith-Fitzgerald | IA. Public Transit Assn. (IPT) | Undecided | GA84 |
| Mark Joyce | IA. Public Transit Assn. (IPT) | Undecided | GA84 |
| Mike Heller | IA. Renewable Fuels Assn. (IRF) | Undecided | GA84 |
| Paula Feltner | IA. Renewable Fuels Assn. (IRF) | Undecided | GA84 |
| Brad Epperly | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Keith Luchtel | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Paula Dierenfeld | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Scott Sundstrom | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Jill Altringer | IA. Soybean Assn. | Supporting | GA84 |
| Hanna DeGroot | IA. State Assn. of Counties | Supporting | GA84 |
| Kristi Harshbarger | IA. State Assn. of Counties | Supporting | GA84 |
| Linda Hinton | IA. State Assn. of Counties | Supporting | GA84 |
| MaryBeth Mellick | IA. State Assn. of Counties | Supporting | GA84 |
| William Peterson | IA. State Assn. of Counties | Supporting | GA84 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Supporting | GA84 |
| Mike Heller | IA. State Police Assn. | Undecided | GA84 |
| Paula Feltner | IA. State Police Assn. | Undecided | GA84 |
| Mike Heller | IA. State Snowmobile Assn. | Undecided | GA84 |
| Paula Feltner | IA. State Snowmobile Assn. | Undecided | GA84 |
| Ernie Adkison | Iowans for Tax Relief | Opposing | GA84 |
| Lindsay McQuarry | Iowans for Tax Relief | Opposing | GA84 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA84 |
| Jason Bassett | Kum and Go | Opposing | GA84 |
| Jason Bassett | Kum and Go | Undecided | GA84 |
| John Pederson | Kum and Go | Undecided | GA84 |
| Matt Eide | Kum and Go | Undecided | GA84 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA84 |
| Mona Bond | Manatts Inc. | Supporting | GA84 |
| Brad Epperly | Monsanto Company | Undecided | GA84 |
| Keith Luchtel | Monsanto Company | Undecided | GA84 |
| Scott Sundstrom | Monsanto Company | Undecided | GA84 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Undecided | GA84 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of IA | Opposing | GA84 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of IA | Undecided | GA84 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of IA | Opposing | GA84 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of IA | Undecided | GA84 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of IA | Opposing | GA84 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of IA | Undecided | GA84 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA84 |
| Jamie Cashman | Polk County - Board of Supervisors | Undecided | GA84 |
| Amy Campbell | Professional Developers of IA (PDI) | Supporting | GA84 |
| Craig Patterson | Professional Developers of IA (PDI) | Supporting | GA84 |
| Scott Hedderich | Renewable Energy Group (REG) | Supporting | GA84 |
| David Scott | Society of Land Surveyors of IA | Supporting | GA84 |
| Amy Campbell | Travel Federation of IA | Supporting | GA84 |
| Craig Patterson | Travel Federation of IA | Supporting | GA84 |
| Bob Rafferty | Truckstops of Iowa | Opposing | GA84 |
| Bob Rafferty | Truckstops of Iowa | Undecided | GA84 |
| John Pederson | UPS | Undecided | GA84 |
| Matt Eide | UPS | Undecided | GA84 |
| Gary Grant | Urban County Coalition | Undecided | GA84 |
| Larry Murphy | Urban County Coalition | Undecided | GA84 |