| Terry Harrmann | Alliant Energy Corporation | Opposing | GA83 |
| Terry Harrmann | Alliant Energy Corporation | Undecided | GA83 |
| David Scott | American Council of Engineering Companies | Undecided | GA83 |
| David Scott | American Water Works Assn. | 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 |
| John Pederson | City of Cedar Falls | Opposing | GA83 |
| John Pederson | City of Cedar Falls | Undecided | GA83 |
| Matt Eide | City of Cedar Falls | Opposing | GA83 |
| Matt Eide | City of Cedar Falls | Undecided | GA83 |
| Ted Stopulos | City of Cedar Falls | Opposing | GA83 |
| Ted Stopulos | City of Cedar Falls | Undecided | GA83 |
| Gary Grant | City of Cedar Rapids | Undecided | GA83 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA83 |
| Brice Oakley | City of Coralville | Undecided | GA83 |
| Don Avenson | City of Coralville | Undecided | GA83 |
| Tom Cope | City of Coralville | Undecided | GA83 |
| Bruce Bergman | City of Des Moines | Undecided | GA83 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA83 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA83 |
| Mark Joyce | City of Des Moines | Undecided | GA83 |
| Brice Oakley | City of West Des Moines | Undecided | GA83 |
| Don Avenson | City of West Des Moines | Undecided | GA83 |
| Tom Cope | City of West Des Moines | Undecided | GA83 |
| Linda Kinman | Des Moines Water Works | Undecided | GA83 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA83 |
| James West | Greater Des Moines Partnership | Undecided | GA83 |
| Jay Byers | Greater Des Moines Partnership | Opposing | GA83 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA83 |
| Keith Luchtel | Greater Des Moines Partnership | Undecided | GA83 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA83 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA83 |
| Bill Wimmer | Home Builders Assn. of IA | Undecided | GA83 |
| Craig Schoenfeld | Home Builders Assn. of IA | Undecided | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Opposing | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Opposing | GA83 |
| Brad Epperly | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| James West | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Keith Luchtel | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Paula Dierenfeld | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Scott Sundstrom | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Tim Coonan | IA. Assn. of Electric Cooperatives | Undecided | GA83 |
| Julie Smith | IA. Assn. of Municipal Utilities | Opposing | GA83 |
| Larry Pope | IA. Assn. of Municipal Utilities | Opposing | GA83 |
| Jennifer Kingland | IA. Assn. of Realtors | Undecided | GA83 |
| Susan Cameron Daemen | IA. Assn. of Realtors | Undecided | GA83 |
| Brice Oakley | IA. Assn. of Regional Councils (IARC) | Undecided | GA83 |
| Don Avenson | IA. Assn. of Regional Councils (IARC) | Undecided | GA83 |
| Tom Cope | IA. Assn. of Regional Councils (IARC) | Undecided | GA83 |
| Linda Kinman | IA. Assn. of Water Agencies | Undecided | GA83 |
| James Piazza, Jr. | IA. Automobile Recyclers Assn. | Undecided | GA83 |
| Robert Hartwig | IA. Bankers Assn. | Undecided | GA83 |
| Sharon Presnall | IA. Bankers Assn. | Undecided | 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 |
| Neila Seaman | IA. Chapter of Sierra Club | Supporting | GA83 |
| Brad Epperly | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| James West | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| Keith Luchtel | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| Paula Dierenfeld | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| Scott Sundstrom | IA. Chapter, American Institute of Architects | Undecided | GA83 |
| George Appleby | IA. Competitive Bidding Alliance, Inc. | Undecided | GA83 |
| Jennifer Tyler | IA. Competitive Bidding Alliance, Inc. | Undecided | GA83 |
| Jim Carney | IA. Competitive Bidding Alliance, Inc. | Undecided | GA83 |
| Lyle Brehm | IA. County Engineers Assn. | Undecided | GA83 |
| John Cacciatore | IA. Credit Union League | Undecided | GA83 |
| Julie VandeHoef | IA. Credit Union League | Undecided | GA83 |
| Justin Hupfer | IA. Credit Union League | Undecided | GA83 |
| Diane Foss | IA. Dept. of Economic Development (IDED) | Undecided | GA83 |
| Sharon Tahtinen | IA. Dept. of Natural Resources | Undecided | GA83 |
| Jen Schulte | IA. Emergency Management Assn. | Undecided | GA83 |
| Kent Hartwig | IA. Emergency Management Assn. | Undecided | GA83 |
| Kyle Frette | IA. Emergency Management Assn. | Undecided | GA83 |
| Threase Harms | IA. Emergency Management Assn. | Undecided | GA83 |
| Jim Obradovich | IA. Environmental Council | Undecided | GA83 |
| Joe Johnson | IA. Farm Bureau Federation | Undecided | GA83 |
| Mark Salvador | IA. Farm Bureau Federation | Undecided | GA83 |
| Joseph Jones | IA. Finance Authority | Undecided | GA83 |
| John Benson | IA. Homeland Security & Emergency Management Div. | Undecided | GA83 |
| Michelle Lickteig | IA. Insurance Institute | Undecided | 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 |
| John Cacciatore | IA. Professional Fire Fighters | Undecided | GA83 |
| Julie VandeHoef | IA. Professional Fire Fighters | Undecided | GA83 |
| Justin Hupfer | IA. Professional Fire Fighters | Undecided | GA83 |
| Jim Obradovich | IA. Public Airports Assn. | Undecided | GA83 |
| Emily Piper | IA. Rural Water Assn. | Opposing | GA83 |
| Emily Piper | IA. Rural Water Assn. | Undecided | GA83 |
| Hanna DeGroot | IA. State Assn. of Counties | Undecided | GA83 |
| Linda Hinton | IA. State Assn. of Counties | Undecided | GA83 |
| MaryBeth Mellick | IA. State Assn. of Counties | Undecided | GA83 |
| Nathan Bonnett | IA. State Assn. of Counties | Undecided | GA83 |
| William Peterson | IA. State Assn. of Counties | Undecided | GA83 |
| Mark Douglas | IA. Utility Assn. | Opposing | GA83 |
| Gary Grant | Linn County Board of Supervisors | Opposing | GA83 |
| Larry Murphy | Linn County Board of Supervisors | Opposing | GA83 |
| Chad Kleppe | Master Builders of IA | Undecided | GA83 |
| David Adelman | Metropolitan Coalition | Opposing | GA83 |
| John Davis | MidAmerican Energy Company | Opposing | GA83 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA83 |
| JoAnn Johnson | Polk County - Board of Supervisors | Undecided | GA83 |
| Amy Campbell | Professional Developers of IA (PDI) | Undecided | GA83 |
| Craig Patterson | Professional Developers of IA (PDI) | Undecided | GA83 |
| MIke Delaney | Raccoon River Watershed Assn. | Supporting | GA83 |
| Susan Judkins | Rebuild IA Office | Supporting | GA83 |
| Andrew Anderson | Sherman Associates, Inc. | Opposing | GA83 |