| Angela Davis | Alamo Rent A Car | Undecided | GA87 |
| Bill Wimmer | Alamo Rent A Car | Undecided | GA87 |
| Drew Klein | Americans For Prosperity | Opposing | GA87 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA87 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA87 |
| Paige Thorson | BNSF Railway Co. | Undecided | GA87 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA87 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA87 |
| Katie Mulholland | Board of Regents, State of Iowa | Undecided | GA87 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA87 |
| Kristin Failor | Board of Regents, State of Iowa | Undecided | GA87 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA87 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA87 |
| Angela Davis | Enterprise Rent-A-Car | Undecided | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Brad Epperly | Federation of Iowa Insurers | Undecided | GA87 |
| Dustin Miller | Federation of Iowa Insurers | Undecided | GA87 |
| Paige Thorson | Federation of Iowa Insurers | Undecided | GA87 |
| Paula Dierenfeld | Federation of Iowa Insurers | Undecided | GA87 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Connor Slack | IBEW Iowa State Conference | Supporting | GA87 |
| Dane Schumann | IBEW Iowa State Conference | Supporting | GA87 |
| Emily Hockins | IBEW Iowa State Conference | Supporting | GA87 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Opposing | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Opposing | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | 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 |
| Angela Davis | Iowa Beverage Association | Undecided | GA87 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA87 |
| Dustin Miller | Iowa Broadcasters Association | Undecided | GA87 |
| Paige Thorson | Iowa Broadcasters Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Broadcasters Association | Undecided | GA87 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA87 |
| Dustin Miller | Iowa Collectors Association, Inc. | Undecided | GA87 |
| Paige Thorson | Iowa Collectors Association, Inc. | Undecided | GA87 |
| Paula Dierenfeld | Iowa Collectors Association, Inc. | Undecided | 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 |
| Alan Kemp | Iowa League of Cities | Undecided | GA87 |
| Lindsey McCune | Iowa League of Cities | Undecided | GA87 |
| Robert Palmer | Iowa League of Cities | Undecided | GA87 |
| Craig Walter | Iowa Lodging Association | Opposing | GA87 |
| Angela Davis | Iowa Lumber Association | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA87 |
| Dustin Miller | Iowa Newspaper Association | Undecided | GA87 |
| Paige Thorson | Iowa Newspaper Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Newspaper Association | Undecided | 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 | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paige Thorson | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| tom fey | Iowa State Building and Construction Trades Council | Supporting | GA87 |
| tom fey | Iowa State Building and Construction Trades Council | Withdrawn | GA87 |
| Brad Hudson | Iowa State Education Association | Supporting | GA87 |
| Melissa Peterson | Iowa State Education Association | Supporting | GA87 |
| Brad Epperly | Iowa Water Well Association | Undecided | GA87 |
| Dustin Miller | Iowa Water Well Association | Undecided | GA87 |
| Paige Thorson | Iowa Water Well Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Water Well Association | Undecided | GA87 |
| Angela Davis | Johnson Brothers of Iowa, Inc. | Undecided | GA87 |
| Bill Wimmer | Johnson Brothers of Iowa, Inc. | Undecided | GA87 |
| Brad Epperly | Monsanto Company | Undecided | GA87 |
| Dustin Miller | Monsanto Company | Undecided | GA87 |
| Paige Thorson | Monsanto Company | Undecided | GA87 |
| Angela Davis | National Rent A Car | Undecided | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| Angela Davis | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |