| Mike Rozenboom | 3M Company and its affiliates | Undecided | GA87 |
| Robert Weiser | 3M Company and its affiliates | Undecided | GA87 |
| Bill Wimmer | Alamo Rent A Car | Undecided | GA87 |
| Mike Rozenboom | Annett Holdings | Undecided | GA87 |
| Robert Weiser | Annett Holdings | Undecided | GA87 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA87 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA87 |
| Katie Graham | BNSF Railway Co. | Undecided | GA87 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA87 |
| Mike Rozenboom | CRST International | Undecided | GA87 |
| Robert Weiser | CRST International | Undecided | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Marty Ryan | Fawkes-Lee & Ryan Inc. | Opposing | GA87 |
| Stephanie Fawkes-Lee | Fawkes-Lee & Ryan Inc. | Opposing | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Dane Schumann | IBEW Iowa State Conference | Opposing | GA87 |
| Dane Schumann | IBEW Iowa State Conference | Undecided | GA87 |
| Emily Hockins | IBEW Iowa State Conference | Opposing | GA87 |
| Emily Hockins | IBEW Iowa State Conference | Undecided | GA87 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA87 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA87 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Katie Graham | 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 |
| Katie Graham | Iowa Automobile Dealers Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA87 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Brad Epperly | Iowa Broadcasters Association | Undecided | GA87 |
| Dustin Miller | Iowa Broadcasters Association | Undecided | GA87 |
| Katie Graham | 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 |
| Katie Graham | Iowa Collectors Association, Inc. | Undecided | GA87 |
| Paula Dierenfeld | Iowa Collectors Association, Inc. | Undecided | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA87 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA87 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA87 |
| Katie Graham | Iowa Grocery Industry Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| David Adelman | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA87 |
| Frank Chiodo | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA87 |
| Matt Hinch | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA87 |
| Sara Allen | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA87 |
| Will Rogers | Iowa Nebraska Farm Equipment Dealers Association | Undecided | GA87 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA87 |
| Dustin Miller | Iowa Newspaper Association | Undecided | GA87 |
| Katie Graham | Iowa Newspaper Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Newspaper Association | Undecided | GA87 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| Brad Epperly | Monsanto Company | Undecided | GA87 |
| Dustin Miller | Monsanto Company | Undecided | GA87 |
| Katie Graham | Monsanto Company | Undecided | GA87 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Rachel Geilenfeld | Sukup Manufacturing | Supporting | GA87 |