| Alex Drzycimski | AFSCME Iowa Council 61 | Undecided | GA86 |
| Marcia Nichols | AFSCME Iowa Council 61 | Undecided | GA86 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA86 |
| Brad Epperly | AIG-American International Companies | Undecided | GA86 |
| Paula Dierenfeld | AIG-American International Companies | Undecided | GA86 |
| Scott Sundstrom | AIG-American International Companies | Undecided | GA86 |
| Brad Epperly | American Insurance Association | Undecided | GA86 |
| Paula Dierenfeld | American Insurance Association | Undecided | GA86 |
| Scott Sundstrom | American Insurance Association | Undecided | GA86 |
| John Pederson | Arconic (Formerly Alcoa) | Undecided | GA86 |
| Laura Book | Arconic (Formerly Alcoa) | Undecided | GA86 |
| Matt Eide | Arconic (Formerly Alcoa) | Undecided | GA86 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA86 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA86 |
| Scott Sundstrom | BNSF Railway Co. | Undecided | GA86 |
| Brad Epperly | Federation of Iowa Insurers | Undecided | GA86 |
| Paula Dierenfeld | Federation of Iowa Insurers | Undecided | GA86 |
| Scott Sundstrom | Federation of Iowa Insurers | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Scott Sundstrom | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Tim Coonan | Iowa Association of Electric Cooperatives | Undecided | GA86 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Undecided | GA86 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA86 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA86 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Broadcasters Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Broadcasters Association | Undecided | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Supporting | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA86 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Grocery Industry Association | Undecided | GA86 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Newspaper Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Newspaper Association | Undecided | GA86 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Brad Epperly | Isle of Capri Casinos, Inc. | Undecided | GA86 |
| Paula Dierenfeld | Isle of Capri Casinos, Inc. | Undecided | GA86 |
| Scott Sundstrom | Isle of Capri Casinos, Inc. | Undecided | GA86 |
| Brad Epperly | Johnson & Johnson Services, Inc. | Undecided | GA86 |
| Paula Dierenfeld | Johnson & Johnson Services, Inc. | Undecided | GA86 |
| Scott Sundstrom | Johnson & Johnson Services, Inc. | Undecided | GA86 |
| Susan Zalenski | Johnson & Johnson Services, Inc. | Undecided | GA86 |
| John Pederson | Kum and Go, L.C. | Undecided | GA86 |
| Laura Book | Kum and Go, L.C. | Undecided | GA86 |
| Matt Eide | Kum and Go, L.C. | Undecided | GA86 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA86 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA86 |
| John Pederson | Lennox International | Undecided | GA86 |
| Laura Book | Lennox International | Undecided | GA86 |
| Matt Eide | Lennox International | Undecided | GA86 |
| Brad Epperly | Monsanto Company | Undecided | GA86 |
| Scott Sundstrom | Monsanto Company | Undecided | GA86 |
| John Pederson | POET, LLC | Undecided | GA86 |
| Laura Book | POET, LLC | Undecided | GA86 |
| Matt Eide | POET, LLC | Undecided | GA86 |
| John Pederson | Tyson Foods, Inc. | Undecided | GA86 |
| Laura Book | Tyson Foods, Inc. | Undecided | GA86 |
| Matt Eide | Tyson Foods, Inc. | Undecided | GA86 |
| John Pederson | UPS | Undecided | GA86 |
| Laura Book | UPS | Undecided | GA86 |
| Matt Eide | UPS | Undecided | GA86 |
| John Pederson | Verizon Corporation and Affiliated Companies | Undecided | GA86 |
| Laura Book | Verizon Corporation and Affiliated Companies | Undecided | GA86 |
| Matt Eide | Verizon Corporation and Affiliated Companies | Undecided | GA86 |