| Terry Harrmann | Alliant Energy Corporation | Supporting | GA86 |
| Susan Walter | Black Hills Energy | Supporting | GA86 |
| John Pederson | Central Iowa Power Cooperative (CIPCO) | Supporting | GA86 |
| Matt Eide | Central Iowa Power Cooperative (CIPCO) | Supporting | GA86 |
| Jim Obradovich | Distributed Wind Energy Association of America | Undecided | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Supporting | GA86 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Myron Linn | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA86 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Supporting | GA86 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Supporting | GA86 |
| Scott Sundstrom | Iowa Association of Electric Cooperatives | Supporting | GA86 |
| Tim Coonan | Iowa Association of Electric Cooperatives | Supporting | GA86 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Supporting | GA86 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Undecided | GA86 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA86 |
| Brad Epperly | Iowa Business Energy Coalition (IBEC) | Undecided | GA86 |
| Paula Dierenfeld | Iowa Business Energy Coalition (IBEC) | Undecided | GA86 |
| Scott Sundstrom | Iowa Business Energy Coalition (IBEC) | Undecided | GA86 |
| Bill Peard | Iowa Cable and Telecommunications Association | Undecided | GA86 |
| Dave Duncan | Iowa Communications Alliance | Undecided | GA86 |
| Kevin Condon | Iowa Communications Alliance | Undecided | GA86 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA86 |
| Ralph Rosenberg | Iowa Environmental Council | Undecided | GA86 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA86 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA86 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA86 |
| Jim Henter | Iowa Retail Federation | Supporting | GA86 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Doug Struyk | Iowa Solar Energy Trade Association | Undecided | GA86 |
| George Appleby | Iowa Solar Energy Trade Association | Undecided | GA86 |
| Jennifer Tyler | Iowa Solar Energy Trade Association | Undecided | GA86 |
| Jim Carney | Iowa Solar Energy Trade Association | Undecided | GA86 |
| Shannon Henson | Iowa Solar Energy Trade Association | Undecided | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA86 |
| William Peterson | Iowa State Association of Counties | Undecided | GA86 |
| Jennifer Kingland | Iowa Taxpayers Association | Undecided | GA86 |
| Geri Huser | Iowa Utilities Board | Undecided | GA86 |
| Libby Jacobs | Iowa Utilities Board | Undecided | GA86 |
| Louis Vander Streek | Iowa Utilities Board | Undecided | GA86 |
| Nick Wagner | Iowa Utilities Board | Undecided | GA86 |
| Jim Obradovich | Iowa Wind Energy Association | Undecided | GA86 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA86 |
| Julie Smith | Master Builders of Iowa | Undecided | GA86 |
| Doug Struyk | Mediacom Communications Corporation | Undecided | GA86 |
| George Appleby | Mediacom Communications Corporation | Undecided | GA86 |
| Jennifer Tyler | Mediacom Communications Corporation | Undecided | GA86 |
| Jim Carney | Mediacom Communications Corporation | Undecided | GA86 |
| Shannon Henson | Mediacom Communications Corporation | Undecided | GA86 |
| John Davis | MidAmerican Energy Company | Supporting | GA86 |
| Julie Smith | Nebraska Municipal Power Pool - NMPP Energy | Supporting | GA86 |
| Brian Johnson | NextEra Energy | Supporting | GA86 |
| Brian Johnson | Polk County - Board of Supervisors | Supporting | GA86 |