| Terry Harrmann | Alliant Energy Corporation | Supporting | GA84 |
| Sara Mentzer | Cedar Rapids Chamber of Commerce | Supporting | GA84 |
| Mike St. Clair | Central IA Building & Construction Trades Council | Supporting | GA84 |
| tom fey | Central IA Building & Construction Trades Council | Supporting | GA84 |
| Brice Oakley | City of Cedar Rapids | Supporting | GA84 |
| Don Avenson | City of Cedar Rapids | Supporting | GA84 |
| Tom Cope | City of Cedar Rapids | Supporting | GA84 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA84 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA84 |
| Mark Godwin | City of Des Moines | Undecided | GA84 |
| Mark Joyce | City of Des Moines | Undecided | GA84 |
| Scott Sanders | City of Des Moines | Undecided | GA84 |
| Victor Elias | Coalition for a Better Iowa | Opposing | GA84 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA84 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA84 |
| Keith Luchtel | Greater Des Moines Partnership | Undecided | GA84 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA84 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA84 |
| James Piazza, Jr. | Heavy Highway Contractors Assn. | Undecided | GA84 |
| Bill Wimmer | Home Builders Assn. of IA | Undecided | GA84 |
| Craig Schoenfeld | Home Builders Assn. of IA | Undecided | GA84 |
| Brad Epperly | IA. Chamber Alliance | Undecided | GA84 |
| John Stineman | IA. Chamber Alliance | Undecided | GA84 |
| Keith Luchtel | IA. Chamber Alliance | Undecided | GA84 |
| Paula Dierenfeld | IA. Chamber Alliance | Undecided | GA84 |
| Scott Sundstrom | IA. Chamber Alliance | Undecided | GA84 |
| Janice Laue | IA. Federation of Labor, AFL-CIO | Undecided | GA84 |
| Ken Sagar | IA. Federation of Labor, AFL-CIO | Undecided | GA84 |
| John Benson | IA. Homeland Security & Emergency Management Div. | Undecided | GA84 |
| Alan Kemp | IA. League of Cities | Supporting | GA84 |
| Jessica Hyland | IA. League of Cities | Supporting | GA84 |
| Julie Smith | IA. League of Cities | Supporting | GA84 |
| Larry Pope | IA. League of Cities | Supporting | GA84 |
| Megan Peiffer | IA. League of Cities | Supporting | GA84 |
| Brad Epperly | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Keith Luchtel | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Paula Dierenfeld | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Scott Sundstrom | IA. Society of Certified Public Accountants | Undecided | GA84 |
| Hanna DeGroot | IA. State Assn. of Counties | Undecided | GA84 |
| Linda Hinton | IA. State Assn. of Counties | Undecided | GA84 |
| MaryBeth Mellick | IA. State Assn. of Counties | Undecided | GA84 |
| William Peterson | IA. State Assn. of Counties | Undecided | GA84 |
| Mike St. Clair | IA. State Building and Construction Trades Council | Supporting | GA84 |
| tom fey | IA. State Building and Construction Trades Council | Supporting | GA84 |
| Chad Kleppe | Master Builders of IA | Undecided | GA84 |
| David Adelman | Metropolitan Coalition | Undecided | GA84 |
| Mike St. Clair | Plumbers and Steam Fitters Local 33 | Supporting | GA84 |
| tom fey | Plumbers and Steam Fitters Local 33 | Supporting | GA84 |
| Susan Judkins | Rebuild IA Office | Undecided | GA84 |