| Marcia Nichols | AFSCME IA Council 61 | Undecided | GA83 |
| Mitchell Stille | AFSCME IA Council 61 | Undecided | GA83 |
| Richard Feller | AFSCME IA Council 61 | Undecided | GA83 |
| Sheri Carnahan | AFSCME IA Council 61 | Undecided | GA83 |
| Kimberly Haus | Animal Rescue League 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 |
| Jim Obradovich | Conservation Districts of IA | Undecided | GA83 |
| Jason Francque | Deere & Company | Undecided | GA83 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA83 |
| Diane Foss | IA. Dept. of Economic Development (IDED) | Undecided | GA83 |
| Diane Ford | IA. Dept. of Natural Resources | Undecided | GA83 |
| Sharon Tahtinen | IA. Dept. of Natural Resources | Undecided | GA83 |
| Michael Wentzien | IA. Drainage District Assn. | Undecided | GA83 |
| Jim Obradovich | IA. Elk Breeders Assn. | Undecided | GA83 |
| Jim Obradovich | IA. Environmental Council | Undecided | GA83 |
| Don Petersen | IA. Farm Bureau Federation | Undecided | GA83 |
| Joe Johnson | IA. Farm Bureau Federation | Undecided | GA83 |
| Mark Salvador | IA. Farm Bureau Federation | Undecided | GA83 |
| Jen Schulte | IA. Farmers Union | Supporting | GA83 |
| Kent Hartwig | IA. Farmers Union | Supporting | GA83 |
| Kyle Frette | IA. Farmers Union | Supporting | GA83 |
| Threase Harms | IA. Farmers Union | Supporting | GA83 |
| Janice Laue | IA. Federation of Labor, AFL-CIO | Undecided | GA83 |
| Ken Sagar | IA. Federation of Labor, AFL-CIO | Undecided | GA83 |
| Brad Epperly | IA. Grocery Industry Assn. | Undecided | GA83 |
| James West | IA. Grocery Industry Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Grocery Industry Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Grocery Industry Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Grocery Industry Assn. | Undecided | GA83 |
| Duane Sand | IA. Natural Heritage Foundation | Supporting | GA83 |
| Brad Epperly | IA. Propane Gas Assn. | Undecided | GA83 |
| James West | IA. Propane Gas Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Propane Gas Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Propane Gas Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Propane Gas Assn. | Undecided | GA83 |
| Jim Obradovich | IA. Recycling Assn. | Undecided | GA83 |
| Emily Piper | IA. Rural Water Assn. | Undecided | GA83 |
| Jim Obradovich | IA. Society of Solid Waste Operations (ISOSWO) | 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 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Undecided | GA83 |
| Mike Heller | IA. State Snowmobile Assn. | Undecided | GA83 |
| Paula Feltner | IA. State Snowmobile Assn. | Undecided | GA83 |
| George Appleby | IA. Veterinary Medical Assn. | Undecided | GA83 |
| Jennifer Tyler | IA. Veterinary Medical Assn. | Undecided | GA83 |
| Jim Carney | IA. Veterinary Medical Assn. | Undecided | GA83 |
| Jerry Fitzgerald | IA. White Tail Deer Assn. | Undecided | GA83 |
| Maggie Smith-Fitzgerald | IA. White Tail Deer Assn. | Undecided | GA83 |
| Mark Joyce | IA. White Tail Deer Assn. | Undecided | GA83 |
| John Pederson | IA. Wine Growers Assn. | Undecided | GA83 |
| Matt Eide | IA. Wine Growers Assn. | Undecided | GA83 |
| Ted Stopulos | IA. Wine Growers Assn. | Undecided | 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 |
| Roy Overton | Izaak Walton League - Iowa Division | Supporting | GA83 |
| Brice Oakley | Keep Iowa Beautiful | Undecided | GA83 |
| Don Avenson | Keep Iowa Beautiful | Undecided | GA83 |
| Tom Cope | Keep Iowa Beautiful | Undecided | GA83 |
| Brad Epperly | Monsanto Company | Undecided | GA83 |
| James West | Monsanto Company | Undecided | GA83 |
| Keith Luchtel | Monsanto Company | Undecided | GA83 |
| Scott Sundstrom | Monsanto Company | Undecided | GA83 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of IA | Undecided | GA83 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of IA | Undecided | GA83 |
| Mona Bond | Petroleum Marketers and Convenience Stores of IA | Undecided | GA83 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of IA | Undecided | GA83 |
| John Cacciatore | State Police Officers Council | Undecided | GA83 |
| Justin Hupfer | State Police Officers Council | Undecided | GA83 |
| John Pederson | Tyson Foods, Inc. | Undecided | GA83 |
| Matt Eide | Tyson Foods, Inc. | Undecided | GA83 |
| Ted Stopulos | Tyson Foods, Inc. | Undecided | GA83 |