| Frank Chiodo | Associated General Contractors of IA | Opposing | GA84 |
| Ned Chiodo | Associated General Contractors of IA | Opposing | GA84 |
| Scott Newhard | Associated General Contractors of IA | Opposing | GA84 |
| Ann McCarthy | Board of Regents, State of IA | Undecided | GA84 |
| David Miles | Board of Regents, State of IA | Undecided | GA84 |
| Joe Murphy | Board of Regents, State of IA | Undecided | GA84 |
| Keith Saunders | Board of Regents, State of IA | Undecided | GA84 |
| Robert Donley | Board of Regents, State of IA | Undecided | GA84 |
| Mike St. Clair | Central IA Building & Construction Trades Council | Undecided | GA84 |
| tom fey | Central IA Building & Construction Trades Council | Undecided | GA84 |
| Gary Grant | City of Cedar Rapids | Undecided | GA84 |
| Larry Murphy | City of Cedar Rapids | Undecided | 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 |
| Dave Parker | Great Plains Laborers District Council | Undecided | GA84 |
| Jay Byers | Greater Des Moines Partnership | Undecided | GA84 |
| Brad Epperly | IA. Chapter, American Institute of Architects | Undecided | GA84 |
| Keith Luchtel | IA. Chapter, American Institute of Architects | Undecided | GA84 |
| Paula Dierenfeld | IA. Chapter, American Institute of Architects | Undecided | GA84 |
| Scott Sundstrom | IA. Chapter, American Institute of Architects | Undecided | GA84 |
| Brice Oakley | IA. Chapter, American Society of Landscape Architects | Undecided | GA84 |
| Don Avenson | IA. Chapter, American Society of Landscape Architects | Undecided | GA84 |
| Tom Cope | IA. Chapter, American Society of Landscape Architects | Undecided | GA84 |
| George Appleby | IA. Competitive Bidding Alliance, Inc. | Opposing | GA84 |
| Jennifer Tyler | IA. Competitive Bidding Alliance, Inc. | Opposing | GA84 |
| Jim Carney | IA. Competitive Bidding Alliance, Inc. | Opposing | GA84 |
| Alan Kemp | IA. League of Cities | Opposing | GA84 |
| Jessica Hyland | IA. League of Cities | Opposing | GA84 |
| Julie Smith | IA. League of Cities | Opposing | GA84 |
| Larry Pope | IA. League of Cities | Opposing | GA84 |
| Megan Peiffer | IA. League of Cities | Opposing | GA84 |
| Brad Epperly | IA. Newspaper Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Newspaper Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Newspaper Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Newspaper Assn. | Undecided | GA84 |
| George Appleby | IA. State Bar Assn. | Undecided | GA84 |
| Jennifer Tyler | IA. State Bar Assn. | Undecided | GA84 |
| Jim Carney | IA. State Bar Assn. | Undecided | GA84 |
| Mike St. Clair | IA. State Building and Construction Trades Council | Supporting | GA84 |
| Mike St. Clair | IA. State Building and Construction Trades Council | Undecided | GA84 |
| tom fey | IA. State Building and Construction Trades Council | Supporting | GA84 |
| tom fey | IA. State Building and Construction Trades Council | Undecided | GA84 |
| Jerry Fitzgerald | ITC Midwest | Undecided | GA84 |
| Maggie Smith-Fitzgerald | ITC Midwest | Undecided | GA84 |
| Mark Joyce | ITC Midwest | Undecided | GA84 |
| Don Racheter | Iowans for Tax Relief | Opposing | GA84 |
| Edward Failor, | Iowans for Tax Relief | Opposing | GA84 |
| Katie Koberg | Iowans for Tax Relief | Opposing | GA84 |
| Mary Earnhardt | Iowans for Tax Relief | Opposing | GA84 |
| Gary Grant | Linn County Board of Supervisors | Opposing | GA84 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Opposing | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA84 |
| Chad Kleppe | Master Builders of IA | Supporting | GA84 |
| Brian Johnson | Mechanical Contractors Association of IA (MCAI) | Supporting | GA84 |
| Jamie Cashman | Mechanical Contractors Association of IA (MCAI) | Supporting | GA84 |
| Brian Johnson | NECA - IA (NEC) | Supporting | GA84 |
| Jamie Cashman | NECA - IA (NEC) | Supporting | GA84 |
| Patrick Nilsen | North Central States Regional Council of Carpenters | Supporting | GA84 |