| John Pederson | Arconic (Formerly Alcoa) | Supporting | GA86 |
| Laura Book | Arconic (Formerly Alcoa) | Supporting | GA86 |
| Matt Eide | Arconic (Formerly Alcoa) | Supporting | GA86 |
| Matt McKinney | CF Industries Holdings, Inc. | Undecided | GA86 |
| Matt McKinney | CF Industries Holdings, Inc. | Opposing | GA86 |
| Ann Stocker | Cargill | Supporting | GA86 |
| Brice Oakley | Casey's General Stores | Supporting | GA86 |
| Don Avenson | Casey's General Stores | Supporting | GA86 |
| Tom Cope | Casey's General Stores | Supporting | GA86 |
| Phil Tuning | Deere & Company | Supporting | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Supporting | 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 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Grocery Industry Association | Undecided | GA86 |
| Dustin Miller | Iowa League of Cities | Undecided | GA86 |
| Robert Palmer | Iowa League of Cities | 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 |
| Jennifer Kingland | Iowa Taxpayers Association | Supporting | GA86 |
| Mike Heller | Iowa Wholesale Beer Distributors Association | Undecided | GA86 |
| Paula Feltner | Iowa Wholesale Beer Distributors Association | Undecided | GA86 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA86 |
| Robert Solt | Iowans for Tax Relief | Supporting | GA86 |
| Michael Triplett | Lafarge North American | Supporting | GA86 |
| John Pederson | Lennox International | Supporting | GA86 |
| Laura Book | Lennox International | Supporting | GA86 |
| Matt Eide | Lennox International | Supporting | GA86 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Supporting | GA86 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA86 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA86 |
| John Pederson | Tyson Foods, Inc. | Supporting | GA86 |
| Laura Book | Tyson Foods, Inc. | Supporting | GA86 |
| Matt Eide | Tyson Foods, Inc. | Supporting | GA86 |