| Brian Guillaume | AFSCME Iowa Council 61 | Undecided | GA85 |
| Marcia Nichols | AFSCME Iowa Council 61 | Undecided | GA85 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA85 |
| John Pederson | Alter Trading Corporation | Undecided | GA85 |
| Matt Eide | Alter Trading Corporation | Undecided | GA85 |
| Nicole Woodroffe | Annett Holdings | Undecided | GA85 |
| Robert Weiser | Annett Holdings | Undecided | GA85 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA85 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA85 |
| Scott Sundstrom | BNSF Railway Co. | Undecided | GA85 |
| Nicole Woodroffe | CRST International | Undecided | GA85 |
| Robert Weiser | CRST International | Undecided | GA85 |
| Angela Davis | Des Moines Area Regional Transit | Undecided | GA85 |
| Bill Wimmer | Des Moines Area Regional Transit | Undecided | GA85 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA85 |
| Jim Obradovich | Iowa Association for Health, Physical Education, Recreation and Dance (IAHPERD) | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA85 |
| Brad Epperly | Iowa Automobile Dealers Association | Supporting | GA85 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Supporting | GA85 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Supporting | GA85 |
| James Piazza, Jr. | Iowa Automobile Recyclers Association | Undecided | GA85 |
| Jim Obradovich | Iowa Bicycle Coalition | Undecided | GA85 |
| Justine Stevenson | Iowa Cattlemen's Association | Undecided | GA85 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA85 |
| Lindsay Phillips | Iowa Cattlemen's Association | Undecided | GA85 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA85 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA85 |
| James Piazza, Jr. | Iowa Independent Automobile Dealers Association | Undecided | GA85 |
| Dustin Miller | Iowa League of Cities | Undecided | GA85 |
| Jessica Hyland | Iowa League of Cities | Undecided | GA85 |
| Jim Obradovich | Iowa Public Airports Association | Undecided | GA85 |
| Jim Obradovich | Iowa Shortline and Regional Railroad Association | Undecided | GA85 |
| Hanna DeGroot | Iowa State Association of Counties | Undecided | GA85 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA85 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA85 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA85 |
| William Peterson | Iowa State Association of Counties | Undecided | GA85 |
| Mike Heller | Iowa State Snowmobile Association | Undecided | GA85 |
| Paula Feltner | Iowa State Snowmobile Association | Undecided | GA85 |
| John Pederson | Kum and Go | Undecided | GA85 |
| Matt Eide | Kum and Go | Undecided | GA85 |
| Mike St. Clair | Outdoor Advertising Association of Iowa | Undecided | GA85 |