| Erica Johnson | American Civil Liberties Union of Iowa (ACLU-IA) | Undecided | GA86 |
| Erica Johnson | American Civil Liberties Union of Iowa (ACLU-IA) | Withdrawn | GA86 |
| Erica Johnson | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA86 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Undecided | GA86 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Withdrawn | GA86 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA86 |
| Jim Obradovich | Coalition for Iowa Woodlands and Trees | Undecided | GA86 |
| Dustin Noble | Iowa Cattlemen's Association | Supporting | GA86 |
| Justine Stevenson | Iowa Cattlemen's Association | Supporting | GA86 |
| Kellie Paschke | Iowa Cattlemen's Association | Supporting | GA86 |
| Troy Skinner | Iowa Cattlemen's Association | Supporting | GA86 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Matt Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Kelly Meyers | Iowa County Attorneys Association | Undecided | GA86 |
| Susan Cameron Daemen | Iowa County Attorneys Association | Undecided | GA86 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA86 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA86 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA86 |
| Jake Oeth | Iowa Farmers Union | Undecided | GA86 |
| Kent Hartwig | Iowa Farmers Union | Undecided | GA86 |
| Threase Harms | Iowa Farmers Union | Undecided | GA86 |