| Amy Campbell | AARP Iowa | Undecided | GA87 |
| Brad Anderson | AARP Iowa | Undecided | GA87 |
| Craig Patterson | AARP Iowa | Undecided | GA87 |
| Kent Sovern | AARP Iowa | Undecided | GA87 |
| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA87 |
| Dane Schumann | Des Moines Water Works | Undecided | GA87 |
| Emily Hockins | Des Moines Water Works | Undecided | GA87 |
| Threase Harms | Des Moines Water Works | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Kevin Condon | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Paige Thorson | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Julie Smith | Iowa Association of Municipal Utilities | Supporting | GA87 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Supporting | GA87 |
| Bill Peard | Iowa Cable and Telecommunications Association | Undecided | GA87 |
| Brad Epperly | Iowa Communications Alliance | Undecided | GA87 |
| Caitlin Jarzen | Iowa Communications Alliance | Undecided | GA87 |
| Dave Duncan | Iowa Communications Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Communications Alliance | Undecided | GA87 |
| Paige Thorson | Iowa Communications Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Communications Alliance | Undecided | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Undecided | GA87 |
| Nathaniel Baer | Iowa Environmental Council | Undecided | GA87 |
| Ralph Rosenberg | Iowa Environmental Council | Undecided | GA87 |
| Susan Guy | Iowa Interfaith Power & Light | Undecided | GA87 |
| Alan Kemp | Iowa League of Cities | Undecided | GA87 |
| Lindsey McCune | Iowa League of Cities | Undecided | GA87 |
| Robert Palmer | Iowa League of Cities | Undecided | GA87 |
| Joe Kelly | Iowa Manufactured Housing Association | Withdrawn | GA87 |
| Joe Kelly | Iowa Manufactured Housing Association | Undecided | GA87 |
| Geri Huser | Iowa Utilities Board | Undecided | GA87 |
| Libby Jacobs | Iowa Utilities Board | Undecided | GA87 |
| Louis Vander Streek | Iowa Utilities Board | Undecided | GA87 |
| Nick Wagner | Iowa Utilities Board | Undecided | GA87 |
| Joe Kelly | Landlords of Iowa | Undecided | GA87 |
| Doug Struyk | Mediacom Communications Corporation | Undecided | GA87 |
| Jim Carney | Mediacom Communications Corporation | Undecided | GA87 |
| Shannon Henson | Mediacom Communications Corporation | Undecided | GA87 |
| Frank Chiodo | MidAmerican Energy Company | Undecided | GA87 |
| Matt Hinch | MidAmerican Energy Company | Undecided | GA87 |
| Julie Smith | Nebraska Municipal Power Pool - NMPP Energy | Supporting | GA87 |