| Michael Triplett | Alliance For Automotive Innovation | Opposing | GA88 |
| Michael Triplett | Alliance For Automotive Innovation | Undecided | GA88 |
| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA88 |
| David Scott | American Council of Engineering Companies | Supporting | GA88 |
| Drew Klein | Americans For Prosperity | Undecided | GA88 |
| Tyler Raygor | Americans For Prosperity | Undecided | GA88 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA88 |
| Jon Murphy | Casey's General Stores | Undecided | GA88 |
| Tom Cope | Casey's General Stores | Undecided | GA88 |
| Cyndi Pederson | Central Iowa Power Cooperative (CIPCO) | Undecided | GA88 |
| John Pederson | Central Iowa Power Cooperative (CIPCO) | Undecided | GA88 |
| Matt McKinney | ChargePoint | Opposing | GA88 |
| RG Schwarm | ChargePoint | Opposing | GA88 |
| Doug Struyk | City of Iowa City | Undecided | GA88 |
| Jennifer Dorman | City of Iowa City | Undecided | GA88 |
| Jim Carney | City of Iowa City | Undecided | GA88 |
| Tim Reilly | Department of Revenue | Undecided | GA88 |
| Josh Mandelbaum | Environmental Law and Policy Center | Undecided | GA88 |
| Steve Falck | Environmental Law and Policy Center | Undecided | GA88 |
| Dawn Carlson | FUELIowa (PMCI) | Undecided | GA88 |
| Kellie Paschke | FUELIowa (PMCI) | Undecided | GA88 |
| Troy Skinner | FUELIowa (PMCI) | Undecided | GA88 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Drew Wynes | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA88 |
| Kevin Condon | Iowa Association of Electric Cooperatives | 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 |
| Brad Epperly | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Dustin Miller | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Katie Graham | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Paula Dierenfeld | Iowa Business Energy Coalition (IBEC) | Undecided | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Opposing | GA88 |
| Pam Mackey-Taylor | Iowa Chapter of Sierra Club | Undecided | GA88 |
| Jeff Smith | Iowa Corn Growers Association | Supporting | GA88 |
| Jerry Fitzgerald | Iowa Corn Growers Association | Supporting | GA88 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association | Supporting | GA88 |
| Matt Fitzgerald | Iowa Corn Growers Association | Supporting | GA88 |
| Mindy Poldberg | Iowa Corn Growers Association | Supporting | GA88 |
| Jake Swanson | Iowa Dept. of Agriculture | Undecided | GA88 |
| Susan Fenton | Iowa Dept. of Transportation | Undecided | GA88 |
| Michael Schmidt | Iowa Environmental Council | Undecided | GA88 |
| David Scott | Iowa Good Roads Association | Supporting | GA88 |
| Bobby Martens | Iowa Institute for Cooperatives | Undecided | GA88 |
| Katie Hall | Iowa Institute for Cooperatives | Undecided | GA88 |
| David Scott | Iowa Motor Truck Association | Supporting | GA88 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA88 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA88 |
| William Peterson | Iowa State Association of Counties | Supporting | GA88 |
| Jamie Cashman | Iowa State Association of County Supervisors | Supporting | GA88 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Supporting | GA88 |
| Lucas Beenken | Iowa State Association of County Supervisors | Supporting | GA88 |
| William Peterson | Iowa State Association of County Supervisors | Supporting | GA88 |
| Victoria Sinclair | Iowans for Tax Relief | Undecided | GA88 |
| Jon Murphy | Koch Companies Public Sector, LLC and Affiliates | Undecided | GA88 |
| Tom Cope | Koch Companies Public Sector, LLC and Affiliates | Undecided | GA88 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA88 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA88 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA88 |
| John Davis | MidAmerican Energy Company | Undecided | GA88 |
| Christopher Rants | Personal Interest - Christopher Rants | Undecided | GA88 |
| Sandra Conlin | Tesla | Undecided | GA88 |
| Bob Rafferty | Truckstops of Iowa | Undecided | GA88 |
| Rachel Ong | Truckstops of Iowa | Undecided | GA88 |
| Gary Grant | Urban County Coalition | Undecided | GA88 |
| Larry Murphy | Urban County Coalition | Undecided | GA88 |
| Meghan Malloy | Urban County Coalition | Undecided | GA88 |
| Mike Heller | Waste Management, Inc. | Undecided | GA88 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA88 |