| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA87 |
| John Easter | American Chemisty Council | Opposing | GA87 |
| Susan Walter | Black Hills Energy | Undecided | GA87 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA87 |
| Jim Obradovich | Iowa Association of Building Officials | Opposing | GA87 |
| Jim Obradovich | Iowa Association of Building Officials | Undecided | GA87 |
| Pete McRoberts | Iowa Association of Building Officials | Opposing | GA87 |
| Pete McRoberts | Iowa Association of Building Officials | Undecided | GA87 |
| Robert Mulqueen | Iowa Association of Building Officials | Opposing | GA87 |
| Robert Mulqueen | Iowa Association of Building Officials | 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 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Undecided | GA87 |
| Jennifer Kingland | Iowa Association of Realtors | Supporting | GA87 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Opposing | GA87 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Undecided | GA87 |
| Dustin Miller | Iowa Chapter, American Institute of Architects | Opposing | GA87 |
| Dustin Miller | Iowa Chapter, American Institute of Architects | Undecided | GA87 |
| Paige Thorson | Iowa Chapter, American Institute of Architects | Opposing | GA87 |
| Paige Thorson | Iowa Chapter, American Institute of Architects | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Opposing | GA87 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA87 |
| Amber Markham | Iowa Dept. of Public Safety | Undecided | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Opposing | GA87 |
| Nathaniel Baer | Iowa Environmental Council | Opposing | GA87 |
| Ralph Rosenberg | Iowa Environmental Council | Opposing | GA87 |
| Susan Guy | Iowa Interfaith Power & Light | Opposing | 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 |
| Mark Douglas | Iowa Utility Association | Undecided | GA87 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |
| John Davis | MidAmerican Energy Company | Undecided | GA87 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA87 |
| Craig Walter | NECA - Iowa (NEC) | Undecided | GA87 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA87 |