| Brian Guillaume | AFSCME Iowa Council 61 | Supporting | GA85 |
| Joe Nehring | AFSCME Iowa Council 61 | Supporting | GA85 |
| Marcia Nichols | AFSCME Iowa Council 61 | Supporting | GA85 |
| Morgan Miller | AFSCME Iowa Council 61 | Supporting | GA85 |
| Sherri Carnahan | AFSCME Iowa Council 61 | Supporting | GA85 |
| Scott Boos | Alliance for American Manufacturing | Supporting | GA85 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Opposing | GA85 |
| Bruce Rastetter | Board of Regents, State of Iowa | Undecided | GA85 |
| Craig Lang | Board of Regents, State of Iowa | Undecided | GA85 |
| Jeneane Beck | Board of Regents, State of Iowa | Undecided | GA85 |
| Joe Murphy | Board of Regents, State of Iowa | Undecided | GA85 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA85 |
| Robert Donley | Board of Regents, State of Iowa | Undecided | GA85 |
| Katherine Carlucci | City of Iowa City | Undecided | GA85 |
| Thomas Stanberry | City of Iowa City | Undecided | GA85 |
| Katherine Carlucci | City of Waukee | Undecided | GA85 |
| Thomas Stanberry | City of Waukee | Undecided | GA85 |
| Dane Schumann | IBEW Iowa State Conference | Supporting | GA85 |
| Kent Hartwig | IBEW Iowa State Conference | Supporting | GA85 |
| Threase Harms | IBEW Iowa State Conference | Supporting | GA85 |
| Cal Hultman | Iowa Alliance of Surety Companies | Undecided | GA85 |
| Michael Triplett | Iowa Alliance of Surety Companies | Undecided | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Opposing | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | GA85 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA85 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA85 |
| Galen Howsare | Iowa Association of School Boards | Undecided | GA85 |
| Mary Gannon | Iowa Association of School Boards | Undecided | GA85 |
| Thomas Downs | Iowa Association of School Boards | Undecided | GA85 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Undecided | GA85 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA85 |
| Scott Sundstrom | Iowa Chapter, American Institute of Architects | Undecided | GA85 |
| Mike Cormack | Iowa Dept. of Education | Undecided | GA85 |
| Mikel Derby | Iowa Dept. of Transportation | Undecided | GA85 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Supporting | GA85 |
| Brad Epperly | Iowa Geothermal Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Geothermal Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Geothermal Association | Undecided | GA85 |
| Emily Piper | Iowa Rural Water Association | Opposing | GA85 |
| Hanna DeGroot | Iowa State Association of Counties | Undecided | GA85 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA85 |
| Linda Hinton | Iowa State Association of Counties | Undecided | GA85 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA85 |
| William Peterson | Iowa State Association of Counties | Undecided | GA85 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA85 |
| tom fey | Iowa State Building and Construction Trades Council | Supporting | GA85 |
| Cal Hultman | Lafarge North American | Opposing | GA85 |
| Michael Triplett | Lafarge North American | Opposing | GA85 |
| Chad Kleppe | Master Builders of Iowa | Opposing | GA85 |
| Marc Beltrame | Master Builders of Iowa | Opposing | GA85 |
| Matt McKinney | Master Builders of Iowa | Opposing | GA85 |
| John Pederson | Missouri River Energy Services | Opposing | GA85 |
| Matt Eide | Missouri River Energy Services | Opposing | GA85 |
| Brian Johnson | NECA - Iowa (NEC) | Supporting | GA85 |
| Jamie Cashman | NECA - Iowa (NEC) | Supporting | GA85 |
| George Appleby | SSAB (f/k/a IPSCO Steel) | Opposing | GA85 |
| Jennifer Tyler | SSAB (f/k/a IPSCO Steel) | Opposing | GA85 |
| Jim Carney | SSAB (f/k/a IPSCO Steel) | Opposing | GA85 |
| Craig Schoenfeld | Tyco | Opposing | GA85 |
| Matthew Whitaker | Tyco | Opposing | GA85 |