| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA90 |
| Gary Grant | City of Cedar Rapids | Undecided | GA90 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA90 |
| Chelsea Hoye | Des Moines Water Works | Undecided | GA90 |
| Nick Laning | Des Moines Water Works | Undecided | GA90 |
| Threase Harms | Des Moines Water Works | Undecided | GA90 |
| Josh Mandelbaum | Environmental Law and Policy Center | Undecided | GA90 |
| Steve Falck | Environmental Law and Policy Center | Undecided | GA90 |
| BRITTANY LUMLEY | Iowa American Water Co. | Supporting | GA90 |
| Courtney Craig | Iowa American Water Co. | Supporting | GA90 |
| Elliott Meyer | Iowa American Water Co. | Supporting | GA90 |
| Jeffrey Boeyink | Iowa American Water Co. | Supporting | GA90 |
| Mark Joyce | Iowa American Water Co. | Supporting | GA90 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Casey Nickel | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA90 |
| David Peck | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Marc Beltrame | Iowa Association of Municipal Utilities | Undecided | GA90 |
| Brad Epperly | Iowa Business Energy Coalition (IBEC) | Undecided | GA90 |
| Casey Nickel | Iowa Business Energy Coalition (IBEC) | Undecided | GA90 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Undecided | GA90 |
| Chelsea Hoye | Iowa Environmental Council | Undecided | GA90 |
| Threase Harms | Iowa Environmental Council | Undecided | GA90 |
| Jefferson Fink | Iowa Lakes Regional Water | Undecided | GA90 |
| Jim Obradovich | Iowa Lakes Regional Water | Undecided | GA90 |
| Jefferson Fink | Iowa Regional Utilities Assocaition | Undecided | GA90 |
| Jim Obradovich | Iowa Regional Utilities Assocaition | Undecided | GA90 |
| Victoria Sinclair | Iowa Regional Utilities Assocaition | Undecided | GA90 |
| Louis Vander Streek | Iowa Utilities Commission | Undecided | GA90 |
| Maison Bleam | Iowa Utilities Commission | Undecided | GA90 |
| Chaz Allen | Iowa Utility Association | Supporting | GA90 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA90 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA90 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Chloe Gayer | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |
| Jake Ketzner | Urbandale Water Utility | Undecided | GA90 |
| Larry Blixt | Urbandale Water Utility | Undecided | GA90 |
| Nick Boeyink | Urbandale Water Utility | Undecided | GA90 |