| Jake Ketzner | Adventureland Amusement Park | Opposing | GA88 |
| Larry Blixt | Adventureland Amusement Park | Opposing | GA88 |
| Jake Ketzner | Association of Iowa Fairs | Opposing | GA88 |
| Larry Blixt | Association of Iowa Fairs | Opposing | GA88 |
| Christopher Rants | Des Moines Public Schools | Undecided | GA88 |
| John Cacciatore | Des Moines Public Schools | Undecided | GA88 |
| Eric Goranson | Iowa Association of Christian Schools | Supporting | GA88 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA88 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA88 |
| James Kersten | Iowa Association of Community College Trustees | Undecided | GA88 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA88 |
| James Kersten | Iowa Central Community College | Undecided | GA88 |
| Brian Johnson | Iowa Lodging Association | Undecided | GA88 |
| Craig Walter | Iowa Lodging Association | Opposing | GA88 |
| Karla Fultz McHenry | Iowa Restaurant Association | Opposing | GA88 |
| Michael Triplett | Iowa Restaurant Association | Opposing | GA88 |
| Bradley Hudson | Iowa State Education Association | Undecided | GA88 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA88 |
| Brian Johnson | Iowa State Fair | Undecided | GA88 |
| Craig Walter | Iowa State Fair | Undecided | GA88 |
| Donna Orton | North Iowa Area Community College | Undecided | GA88 |
| Amy Campbell | Okoboji Tourism | Opposing | GA88 |
| Craig Patterson | Okoboji Tourism | Opposing | GA88 |
| Bryan Stearns | Professional Educators of Iowa | Undecided | GA88 |
| Terry Gladfelter | Professional Educators of Iowa | Undecided | GA88 |
| Margaret Buckton | Rural School Advocates of Iowa | Supporting | GA88 |
| Amy Campbell | Travel Federation of Iowa | Opposing | GA88 |
| Craig Patterson | Travel Federation of Iowa | Opposing | GA88 |
| Margaret Buckton | Urban Education Network of Iowa | Supporting | GA88 |