| Maddie Wilcox | Easter Seals Iowa | Supporting | GA88 |
| Maddie Wilcox | Easter Seals Iowa | Undecided | GA88 |
| Threase Harms | Easter Seals Iowa | Supporting | GA88 |
| Threase Harms | Easter Seals Iowa | Undecided | GA88 |
| Kellie Paschke | FUELIowa (PMCI) | Undecided | GA88 |
| Troy Skinner | FUELIowa (PMCI) | Undecided | GA88 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA88 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA88 |
| Katie Graham | Iowa Automobile Dealers Association | Undecided | GA88 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA88 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA88 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA88 |
| Maddie Wilcox | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Undecided | GA88 |
| Robert Szalay | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Undecided | GA88 |
| Threase Harms | Iowa Chapter of the Association of Public Safety Communications Officials (APCO) | Undecided | GA88 |
| Maddie Wilcox | Iowa Chapter of the National Emergency Number Association (NENA) | Undecided | GA88 |
| Robert Szalay | Iowa Chapter of the National Emergency Number Association (NENA) | Undecided | GA88 |
| Threase Harms | Iowa Chapter of the National Emergency Number Association (NENA) | Undecided | GA88 |
| Maddie Wilcox | Iowa Emergency Management Association | Undecided | GA88 |
| Robert Szalay | Iowa Emergency Management Association | Undecided | GA88 |
| Threase Harms | Iowa Emergency Management Association | Undecided | GA88 |
| Maddie Wilcox | Iowa Farmers Union | Undecided | GA88 |
| Threase Harms | Iowa Farmers Union | Undecided | GA88 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA88 |
| Julianne Frosolone | Iowa Federation of Labor, AFL-CIO | Undecided | GA88 |
| Alan Kemp | Iowa League of Cities | Undecided | GA88 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA88 |
| Robert Palmer | Iowa League of Cities | Undecided | GA88 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA88 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA88 |
| Maddie Wilcox | Iowa Rivers Revival | Undecided | GA88 |
| Threase Harms | Iowa Rivers Revival | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA88 |
| William Peterson | Iowa State Association of Counties | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA88 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA88 |