| Marcia Nichols | AFSCME IA Council 61 | Undecided | GA83 |
| Mitchell Stille | AFSCME IA Council 61 | Undecided | GA83 |
| Larry Murphy | Agribusiness Assn. of IA | Opposing | GA83 |
| Larry Murphy | Agribusiness Assn. of IA | Undecided | GA83 |
| Marc Beltrame | Agribusiness Assn. of IA | Undecided | GA83 |
| Mona Bond | Agribusiness Assn. of IA | Opposing | GA83 |
| Steven Schoenebaum | Agribusiness Assn. of IA | Undecided | GA83 |
| Terry Harrmann | Alliant Energy Corporation | Undecided | GA83 |
| Marty Ryan | American Civil Liberties Union of IA (ACLU-IA) | Undecided | GA83 |
| David Scott | American Council of Engineering Companies | Undecided | GA83 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA83 |
| James West | BNSF Railway Co. | Undecided | GA83 |
| Keith Luchtel | BNSF Railway Co. | Undecided | GA83 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA83 |
| Scott Sundstrom | BNSF Railway Co. | Undecided | GA83 |
| Jerry Fitzgerald | Broadlawns Medical Center | Undecided | GA83 |
| Maggie Smith-Fitzgerald | Broadlawns Medical Center | Undecided | GA83 |
| Mark Joyce | Broadlawns Medical Center | Undecided | GA83 |
| Carrie Fitzgerald | Child and Family Policy Center | Undecided | GA83 |
| Sheila Hansen | Child and Family Policy Center | Undecided | GA83 |
| Brad Epperly | Deere & Company | Undecided | GA83 |
| James West | Deere & Company | Undecided | GA83 |
| Keith Luchtel | Deere & Company | Undecided | GA83 |
| Paula Dierenfeld | Deere & Company | Undecided | GA83 |
| Scott Sundstrom | Deere & Company | Undecided | GA83 |
| Thomas Iles | Deere & Company | Undecided | GA83 |
| Susan Cameron Daemen | Genentech | Undecided | GA83 |
| Brad Lint | IA. Assn. For Justice | Undecided | GA83 |
| Lisa Davis-Cook | IA. Assn. For Justice | Undecided | GA83 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Nicole Crain | IA. Assn. of Business and Industry (ABI) | Undecided | GA83 |
| Emily Piper | IA. Assn. of School Boards | Undecided | GA83 |
| Margaret Buckton | IA. Assn. of School Boards | Undecided | GA83 |
| Mary Gannon | IA. Assn. of School Boards | Undecided | GA83 |
| David Adelman | IA. Behavioral Health Assn. (IBHA) | Undecided | GA83 |
| Deanna Triplett | IA. Behavioral Health Assn. (IBHA) | Undecided | 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 |
| Jerry Fitzgerald | IA. Chiropractic Society | Undecided | GA83 |
| Maggie Smith-Fitzgerald | IA. Chiropractic Society | Undecided | GA83 |
| Mark Joyce | IA. Chiropractic Society | Undecided | GA83 |
| Lynh Patterson | IA. Dept. of Public Health | Supporting | GA83 |
| Susan Cameron Daemen | IA. Health Care Assn. | Undecided | GA83 |
| Joe Kelly | IA. Hearing Assn. | Undecided | GA83 |
| Greg Boattenhamer | IA. Hospital Assn. | Undecided | GA83 |
| J. Norris | IA. Hospital Assn. | Undecided | GA83 |
| Shannon Strickler | IA. Hospital Assn. | Undecided | GA83 |
| Joe Kelly | IA. Landlord Assn. | Undecided | GA83 |
| David Adelman | IA. Medical Society | Undecided | GA83 |
| Eric Nemmers | IA. Medical Society | Undecided | GA83 |
| Karla Fultz McHenry | IA. Medical Society | Undecided | GA83 |
| David Scott | IA. Motor Truck Assn. | Undecided | GA83 |
| Susan Cameron Daemen | IA. Optometric Assn. | Undecided | GA83 |
| Sandra Conlin | IA. Osteopathic Medical Assn. | Supporting | GA83 |
| Nicole Schultz | IA. Pharmacy Assn. | Undecided | GA83 |
| Thomas Temple | IA. Pharmacy Assn. | Undecided | GA83 |
| tom fey | IA. Podiatric Medical Society | Undecided | 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 |
| Mike Heller | IA. Speech Language Hearing Assn. | Undecided | GA83 |
| Paula Feltner | IA. Speech Language Hearing Assn. | Undecided | GA83 |
| Mike Heller | IA. State Police Assn. | Undecided | GA83 |
| Paula Feltner | IA. State Police Assn. | Undecided | GA83 |
| Mark Douglas | IA. Utility Assn. | Undecided | GA83 |
| Roy Overton | Izaak Walton League - Iowa Division | Supporting | GA83 |
| Joe Kelly | Landlords of IA | Undecided | GA83 |
| Marc Beltrame | M2P2, LLC | Undecided | GA83 |
| Michael Blaser | M2P2, LLC | Undecided | GA83 |
| Brad Epperly | Monsanto Company | Undecided | GA83 |
| James West | Monsanto Company | Undecided | GA83 |
| Keith Luchtel | Monsanto Company | Undecided | GA83 |
| Paula Dierenfeld | Monsanto Company | Undecided | GA83 |
| Scott Sundstrom | Monsanto Company | Undecided | GA83 |
| Marc Beltrame | Optimae Life Services, Inc. | Undecided | GA83 |
| Susan Judkins | Rebuild IA Office | Undecided | GA83 |
| Marc Beltrame | Smithfield Foods, Inc. | Undecided | GA83 |
| Steven Schoenebaum | Smithfield Foods, Inc. | Undecided | GA83 |
| Mary O'Brien | Visiting Nurse Services of IA | Undecided | GA83 |