| Michael Triplett | Alliance For Automotive Innovation | Undecided | GA88 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Katie Graham | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Brad Epperly | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Dustin Miller | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Katie Graham | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Paula Dierenfeld | Iowa Association of Municipal Utilities | Undecided | GA88 |
| Timothy Whipple | Iowa Association of Municipal Utilities | 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 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Supporting | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Supporting | GA88 |
| Jennifer Terry | Iowa Environmental Council | Supporting | GA88 |
| Jordan Oster | Iowa Environmental Council | Supporting | GA88 |
| Kerri Johannsen | Iowa Environmental Council | Supporting | GA88 |
| Michael Schmidt | Iowa Environmental Council | Supporting | GA88 |
| James Piazza, Jr. | Iowa Independent Automobile Dealers Association | Undecided | GA88 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA88 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | 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 |
| Onnalee Gettler | MidAmerican Energy Company | Undecided | GA88 |
| Kate Walton | Missouri River Energy Services | Undecided | GA88 |
| Kersten Johnson | Missouri River Energy Services | Undecided | GA88 |
| Matt Eide | Missouri River Energy Services | Undecided | GA88 |