| Brad Epperly | AIG-American International Companies | Undecided | GA87 |
| Dustin Miller | AIG-American International Companies | Undecided | GA87 |
| Paige Thorson | AIG-American International Companies | Undecided | GA87 |
| Paula Dierenfeld | AIG-American International Companies | Undecided | GA87 |
| Brad Epperly | American Insurance Association | Undecided | GA87 |
| Dustin Miller | American Insurance Association | Undecided | GA87 |
| Paige Thorson | American Insurance Association | Undecided | GA87 |
| Paula Dierenfeld | American Insurance Association | Undecided | GA87 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Paige Thorson | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA87 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA87 |
| Paige Thorson | Iowa Automobile Dealers Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA87 |
| Neila Seaman | Iowa Chapter of Sierra Club | Supporting | GA87 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA87 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA87 |
| Paige Thorson | Iowa Grocery Industry Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA87 |
| Robert Ussery | Iowa Minuteman Civil Defense Corps | Opposing | GA87 |
| Brad Epperly | Iowa Propane Gas Association | Undecided | GA87 |
| Dustin Miller | Iowa Propane Gas Association | Undecided | GA87 |
| Paige Thorson | Iowa Propane Gas Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Propane Gas Association | Undecided | GA87 |
| Brad Epperly | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Dustin Miller | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Paige Thorson | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Paula Dierenfeld | Isle of Capri Casinos, Inc. | Undecided | GA87 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA87 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA87 |
| Brad Epperly | Monsanto Company | Undecided | GA87 |
| Dustin Miller | Monsanto Company | Undecided | GA87 |
| Paige Thorson | Monsanto Company | Undecided | GA87 |
| Chris Smith | SMART-Transportation Division | Opposing | GA87 |