| Alex Drzycimski | AFSCME Iowa Council 61 | Undecided | GA86 |
| Marcia Nichols | AFSCME Iowa Council 61 | Undecided | GA86 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA86 |
| 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 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA86 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA86 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA86 |
| Katie Mulholland | Board of Regents, State of Iowa | Undecided | GA86 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA86 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA86 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA86 |
| MIke Delaney | Citizens For A Healthy Iowa | Undecided | GA86 |
| Jim Obradovich | Coalition for Iowa Woodlands and Trees | Supporting | GA86 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA86 |
| Jim Obradovich | County Zoning Officials Organiztion | Undecided | GA86 |
| Robert Mulqueen | County Zoning Officials Organiztion | Undecided | GA86 |
| Jake Oeth | Des Moines Water Works | Supporting | GA86 |
| Kent Hartwig | Des Moines Water Works | Supporting | GA86 |
| Threase Harms | Des Moines Water Works | Supporting | GA86 |
| Jake Oeth | Easter Seals Iowa | Supporting | GA86 |
| Kent Hartwig | Easter Seals Iowa | Supporting | GA86 |
| Threase Harms | Easter Seals Iowa | Supporting | GA86 |
| Jim Obradovich | Hungry Canyons Alliance | Supporting | GA86 |
| Pete McRoberts | Hungry Canyons Alliance | Supporting | GA86 |
| Robert Mulqueen | Hungry Canyons Alliance | Supporting | GA86 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA86 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA86 |
| Dustin Noble | Iowa Cattlemen's Association | Undecided | GA86 |
| Justine Stevenson | Iowa Cattlemen's Association | Undecided | GA86 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA86 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | 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 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | 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 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA86 |
| Robert Mulqueen | Iowa Environmental Council | Undecided | GA86 |
| Eric Bradley | Iowa Environmental Health Association | Opposing | GA86 |
| John Pederson | Iowa Ethanol Producers Association | Undecided | GA86 |
| Laura Book | Iowa Ethanol Producers Association | Undecided | GA86 |
| Matt Eide | Iowa Ethanol Producers Association | 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 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA86 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Grocery Industry 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 |
| Cody McKinley | Iowa Pork Producers Association (IPP) | Supporting | 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 |
| Jeneane Moody | Iowa Public Health Association | Opposing | GA86 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Jake Oeth | Iowa Rivers Revival | Undecided | GA86 |
| Kent Hartwig | Iowa Rivers Revival | Undecided | GA86 |
| Threase Harms | Iowa Rivers Revival | Undecided | GA86 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Opposing | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Opposing | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Opposing | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA86 |
| William Peterson | Iowa State Association of Counties | Opposing | GA86 |
| William Peterson | Iowa State Association of Counties | Undecided | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Opposing | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA86 |
| Mike Heller | Iowa State Snowmobile Association | Undecided | GA86 |
| Paula Feltner | Iowa State Snowmobile Association | Undecided | GA86 |
| Jim Obradovich | Iowa Trappers Association | Undecided | GA86 |
| Doug Struyk | Iowa Veterinary Medical Association | Undecided | GA86 |
| George Appleby | Iowa Veterinary Medical Association | Undecided | GA86 |
| Jennifer Tyler | Iowa Veterinary Medical Association | Undecided | GA86 |
| Jim Carney | Iowa Veterinary Medical Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Water Well Association | Opposing | GA86 |
| John Pederson | Iowa Wine Growers Association | Undecided | GA86 |
| Laura Book | Iowa Wine Growers Association | Undecided | GA86 |
| Matt Eide | Iowa Wine Growers Association | Undecided | GA86 |
| MIke Delaney | Izaak Walton League - Iowa Division | 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 |
| Gary Grant | Lake Delhi Combined Water Quality & Recreational Facility District | Undecided | GA86 |
| Larry Murphy | Lake Delhi Combined Water Quality & Recreational Facility District | Undecided | GA86 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA86 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA86 |
| Amy Campbell | Loess Hills Alliance | Undecided | GA86 |
| Craig Patterson | Loess Hills Alliance | 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 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA86 |
| Dustin Noble | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA86 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA86 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of Iowa | Undecided | GA86 |
| Jamie Cashman | Pheasants Forever, Inc. and Affiliate Councils and Chapters | Undecided | GA86 |
| Lucas Beenken | Pheasants Forever, Inc. and Affiliate Councils and Chapters | Undecided | GA86 |
| MIke Delaney | Raccoon River Watershed Association | Undecided | GA86 |
| John Cacciatore | State Police Officers Council | Undecided | GA86 |
| Jon Murphy | State Police Officers Council | Undecided | GA86 |
| Justin Hupfer | State Police Officers Council | Undecided | GA86 |
| Lon Anderson | State Police Officers Council | 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 |
| Amy Campbell | Travel Federation of Iowa | Undecided | GA86 |
| Craig Patterson | Travel Federation of Iowa | Undecided | GA86 |