| Larry Murphy | Agribusiness Assn. of IA | Supporting | GA83 |
| Mona Bond | Agribusiness Assn. of IA | Supporting | GA83 |
| Brad Epperly | American Insurance Assn. | Undecided | GA83 |
| James West | American Insurance Assn. | Undecided | GA83 |
| Keith Luchtel | American Insurance Assn. | Undecided | GA83 |
| Paula Dierenfeld | American Insurance Assn. | Undecided | GA83 |
| Scott Sundstrom | American Insurance Assn. | 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 |
| 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 |
| Brad Epperly | Federation of IA Insurers | Undecided | GA83 |
| James West | Federation of IA Insurers | Undecided | GA83 |
| Paula Dierenfeld | Federation of IA Insurers | Undecided | GA83 |
| Scott Sundstrom | Federation of IA Insurers | Undecided | 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 |
| Brad Epperly | IA. Automobile Dealers Assn. | Undecided | GA83 |
| James West | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Keith Luchtel | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Paula Dierenfeld | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Scott Sundstrom | IA. Automobile Dealers Assn. | Undecided | GA83 |
| Adam Mason | IA. Citizens for Community Improvement | Undecided | GA83 |
| Charlie Smithson | IA. Ethics and Campaign Disclosure Board | Supporting | GA83 |
| Meghan Van | IA. Ethics and Campaign Disclosure Board | Supporting | 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 |
| David Adelman | IA. Medical Society | Undecided | GA83 |
| Eric Nemmers | IA. Medical Society | Undecided | GA83 |
| Karla Fultz McHenry | IA. Medical Society | Undecided | GA83 |
| Betty Lord-Dinan | IA. Nurses Assn. | Undecided | GA83 |
| Linda Goeldner | IA. Nurses Assn. | Undecided | GA83 |
| Brad Epperly | IA. Society of Certified Public Accountants | Undecided | GA83 |
| James West | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Keith Luchtel | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Paula Dierenfeld | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Scott Sundstrom | IA. Society of Certified Public Accountants | Undecided | GA83 |
| Brad Hudson | IA. State Education Assn. | Undecided | GA83 |
| Jon Studer | IA. State Education Assn. | Undecided | GA83 |
| Frank Stork | Wellmark, Inc. | Undecided | GA83 |