| Marcia Nichols | AFSCME IA Council 61 | Supporting | GA83 |
| Mitchell Stille | AFSCME IA Council 61 | Supporting | GA83 |
| Mona Bond | Agribusiness Assn. of IA | Undecided | GA83 |
| Sandra Conlin | Associated Builders & Contractors of IA | Opposing | GA83 |
| Scott Newhard | Associated General Contractors of IA | Undecided | GA83 |
| Andrew Baumert | Board of Regents, State of IA | Undecided | GA83 |
| David Miles | Board of Regents, State of IA | Undecided | GA83 |
| Joe Murphy | Board of Regents, State of IA | Undecided | GA83 |
| Keith Saunders | Board of Regents, State of IA | Undecided | GA83 |
| Robert Donley | Board of Regents, State of IA | Undecided | GA83 |
| Mike St. Clair | Central IA Building & Construction Trades Council | Supporting | GA83 |
| tom fey | Central IA Building & Construction Trades Council | Supporting | GA83 |
| Mona Bond | City of Ankeny | Opposing | GA83 |
| Mona Bond | City of Ankeny | Undecided | GA83 |
| John Pederson | City of Cedar Falls | Opposing | GA83 |
| Matt Eide | City of Cedar Falls | Opposing | GA83 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA83 |
| Bruce Bergman | City of Des Moines | Undecided | GA83 |
| Mark Johnson | Department of Administrative Services (DAS) | Undecided | GA83 |
| Billi Hunt | Du Pont/ Pioneer | Undecided | GA83 |
| Jerry Fitzgerald | Fitzgerald, Joyce and Associates | Undecided | GA83 |
| Maggie Smith-Fitzgerald | Fitzgerald, Joyce and Associates | Undecided | GA83 |
| Mark Joyce | Fitzgerald, Joyce and Associates | Undecided | GA83 |
| Dave Parker | Great Plains Laborers District Council | Supporting | GA83 |
| Brad Epperly | Greater Des Moines Partnership | Opposing | GA83 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA83 |
| James West | Greater Des Moines Partnership | Opposing | GA83 |
| James West | Greater Des Moines Partnership | Undecided | GA83 |
| Jay Byers | Greater Des Moines Partnership | Opposing | GA83 |
| Keith Luchtel | Greater Des Moines Partnership | Opposing | GA83 |
| Keith Luchtel | Greater Des Moines Partnership | Undecided | GA83 |
| Paula Dierenfeld | Greater Des Moines Partnership | Opposing | GA83 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA83 |
| Scott Sundstrom | Greater Des Moines Partnership | Opposing | GA83 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA83 |
| James Piazza, Jr. | Heavy Highway Contractors Assn. | Supporting | GA83 |
| Bill Wimmer | Home Builders Assn. of IA | Opposing | GA83 |
| Craig Schoenfeld | Home Builders Assn. of IA | Opposing | GA83 |
| Cal Hultman | IA. Alliance of Surety Companies | Undecided | GA83 |
| Mary Hultman | IA. Alliance of Surety Companies | Undecided | GA83 |
| Michael Triplett | IA. Alliance of Surety Companies | Undecided | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Opposing | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Opposing | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Opposing | GA83 |
| David Palmer | IA. Assn. of Community College Trustees (IACCT) | Undecided | GA83 |
| Emily Piper | IA. Assn. of School Boards | Opposing | GA83 |
| Margaret Buckton | IA. Assn. of School Boards | Opposing | GA83 |
| Mary Gannon | IA. Assn. of School Boards | Opposing | GA83 |
| Robert Hartwig | IA. Bankers Assn. | Opposing | GA83 |
| Sharon Presnall | IA. Bankers Assn. | Opposing | GA83 |
| Brad Epperly | IA. Chamber Alliance | Opposing | GA83 |
| Brad Epperly | IA. Chamber Alliance | Undecided | GA83 |
| James West | IA. Chamber Alliance | Opposing | GA83 |
| James West | IA. Chamber Alliance | Undecided | GA83 |
| Keith Luchtel | IA. Chamber Alliance | Opposing | GA83 |
| Keith Luchtel | IA. Chamber Alliance | Undecided | GA83 |
| Paula Dierenfeld | IA. Chamber Alliance | Opposing | GA83 |
| Paula Dierenfeld | IA. Chamber Alliance | Undecided | GA83 |
| Scott Sundstrom | IA. Chamber Alliance | Opposing | GA83 |
| Scott Sundstrom | IA. Chamber Alliance | Undecided | GA83 |
| Brad Epperly | IA. Chapter, American Institute of Architects | Opposing | GA83 |
| James West | IA. Chapter, American Institute of Architects | Opposing | GA83 |
| Keith Luchtel | IA. Chapter, American Institute of Architects | Opposing | GA83 |
| Paula Dierenfeld | IA. Chapter, American Institute of Architects | Opposing | GA83 |
| Scott Sundstrom | IA. Chapter, American Institute of Architects | Opposing | GA83 |
| George Appleby | IA. Competitive Bidding Alliance, Inc. | Opposing | GA83 |
| Jennifer Tyler | IA. Competitive Bidding Alliance, Inc. | Opposing | GA83 |
| Jim Carney | IA. Competitive Bidding Alliance, Inc. | Opposing | GA83 |
| Lyle Brehm | IA. County Engineers Assn. | Opposing | GA83 |
| Lyle Brehm | IA. County Engineers Assn. | Undecided | GA83 |
| Elizabeth Baird | IA. Dept. of Transportation | Undecided | GA83 |
| Janice Laue | IA. Federation of Labor, AFL-CIO | Supporting | GA83 |
| Ken Sagar | IA. Federation of Labor, AFL-CIO | Supporting | GA83 |
| Greg Boattenhamer | IA. Hospital Assn. | Opposing | GA83 |
| J. Norris | IA. Hospital Assn. | Opposing | GA83 |
| Shannon Strickler | IA. Hospital Assn. | Opposing | GA83 |
| Alan Kemp | IA. League of Cities | Opposing | GA83 |
| Jessica Hyland | IA. League of Cities | Opposing | GA83 |
| Julie Smith | IA. League of Cities | Opposing | GA83 |
| Larry Pope | IA. League of Cities | Opposing | GA83 |
| Megan Peiffer | IA. League of Cities | Opposing | GA83 |
| Laverne Schroeder | IA. Nebraska Farm Equipment Dealers Assn. | Opposing | GA83 |
| John Cacciatore | IA. Professional Fire Fighters | Supporting | GA83 |
| Emily Piper | IA. Rural Water Assn. | Opposing | GA83 |
| Hanna DeGroot | IA. State Assn. of Counties | Opposing | GA83 |
| Linda Hinton | IA. State Assn. of Counties | Opposing | GA83 |
| Nathan Bonnett | IA. State Assn. of Counties | Opposing | GA83 |
| William Peterson | IA. State Assn. of Counties | Opposing | GA83 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Opposing | GA83 |
| Mike St. Clair | IA. State Building and Construction Trades Council | Supporting | GA83 |
| tom fey | IA. State Building and Construction Trades Council | Supporting | GA83 |
| Brad Hudson | IA. State Education Assn. | Supporting | GA83 |
| Brad Hudson | IA. State Education Assn. | Undecided | GA83 |
| Jon Studer | IA. State Education Assn. | Supporting | GA83 |
| Jon Studer | IA. State Education Assn. | Undecided | GA83 |
| Ed Wallace | IA. Taxpayers Assn. | Opposing | GA83 |
| Kimberlee Pieper | IBEW IA State Conference | Supporting | 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 |
| Cal Hultman | Kraft Foods Global, Inc. | Undecided | GA83 |
| Mary Hultman | Kraft Foods Global, Inc. | Undecided | GA83 |
| Michael Triplett | Kraft Foods Global, Inc. | Undecided | GA83 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA83 |
| Mona Bond | Manatts Inc. | Opposing | GA83 |
| Chad Kleppe | Master Builders of IA | Opposing | GA83 |
| Mike Heller | Master Builders of IA | Opposing | GA83 |
| Paula Feltner | Master Builders of IA | Opposing | GA83 |
| Brian Johnson | Mechanical Contractors Association of IA (MCAI) | Supporting | GA83 |
| JoAnn Johnson | Mechanical Contractors Association of IA (MCAI) | Supporting | GA83 |
| Maggie Smith-Fitzgerald | National Electrical Contractors Assn. (NECA of IA) | Supporting | GA83 |
| Thomas Jochum | Plumbers and Steam Fitters Local 33 | Supporting | GA83 |
| Georgia Van Gundy | Principal Financial Group | Undecided | GA83 |
| Craig Patterson | Professional Developers of IA (PDI) | Opposing | GA83 |
| Jim Hawkins | Professional Educators of IA | Opposing | GA83 |
| Emily Piper | Rathbun Regional Water Assn. | Opposing | GA83 |
| Dr. Norman | School Administrators of IA | Undecided | GA83 |
| Ben Murry | United Steel Workers of America | Supporting | GA83 |
| Patrick Hendricks | United Transportation Union | Supporting | GA83 |