| Bill Wimmer | Alamo Rent A Car | Undecided | GA87 |
| Drew Klein | Americans For Prosperity | Undecided | GA87 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA87 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA87 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA87 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA87 |
| Kristin Bauer | Board of Regents, State of Iowa | Undecided | GA87 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA87 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Dawn Carlson | FUELIowa | Undecided | GA87 |
| Kellie Paschke | FUELIowa | Undecided | GA87 |
| Troy Skinner | FUELIowa | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Supporting | GA87 |
| Bob Ward | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Gary Nims | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| William Steward | Iowa Annual Conference of United Methodist Church | 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 |
| 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 |
| 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 |
| Paula Dierenfeld | Iowa Broadcasters Association | Undecided | GA87 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA87 |
| Meghan Malloy | Iowa Catholic Conference | Undecided | GA87 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Supporting | GA87 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA87 |
| Dustin Miller | Iowa Collectors Association, Inc. | Undecided | GA87 |
| Paula Dierenfeld | Iowa Collectors Association, Inc. | Undecided | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Supporting | GA87 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA87 |
| Dustin Miller | 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 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| Brad Epperly | Iowa Newspaper Association | Undecided | GA87 |
| Dustin Miller | Iowa Newspaper Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Newspaper Association | Undecided | GA87 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA87 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA87 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Mike Heller | Iowa Speech Language Hearing Association | Undecided | GA87 |
| Paula Feltner | Iowa Speech Language Hearing Association | Undecided | GA87 |
| Marty Ryan | Justice Reform Consortium | Supporting | GA87 |
| Stephanie Fawkes-Lee | Justice Reform Consortium | Supporting | GA87 |
| Amy Campbell | League of Women Voters of Iowa | Supporting | GA87 |
| Craig Patterson | League of Women Voters of Iowa | Supporting | GA87 |
| Doug Struyk | Mediacom Communications Corporation | Undecided | GA87 |
| Jennifer Dorman | Mediacom Communications Corporation | Undecided | GA87 |
| Jim Carney | Mediacom Communications Corporation | Undecided | GA87 |
| Doug Struyk | Meredith Corporation | Undecided | GA87 |
| Jennifer Dorman | Meredith Corporation | Undecided | GA87 |
| Jim Carney | Meredith Corporation | Undecided | GA87 |
| Brad Epperly | Monsanto Company | Undecided | GA87 |
| Dustin Miller | Monsanto Company | Undecided | GA87 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Opposing | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| Abigail Nelson | One Iowa Action | Supporting | GA87 |
| Daniel Hoffman-Zinnel | One Iowa Action | Supporting | GA87 |
| Keenan Crow | One Iowa Action | Supporting | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Karl Schilling | United Professionals/UE | Supporting | GA87 |
| Doug Struyk | Wells Fargo & Company | Undecided | GA87 |
| Jennifer Dorman | Wells Fargo & Company | Undecided | GA87 |
| Jim Carney | Wells Fargo & Company | Undecided | GA87 |