| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA87 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA87 |
| Kristin Bauer | Board of Regents, State of Iowa | Undecided | GA87 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA87 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA87 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA87 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA87 |
| Joe Murphy | Greater Des Moines Partnership | Undecided | GA87 |
| Katie Graham | Greater Des Moines Partnership | Undecided | GA87 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA87 |
| Jay Iverson | Home Builders Association of Iowa | Undecided | GA87 |
| Dane Schumann | IBEW Iowa State Conference | Opposing | GA87 |
| Dane Schumann | IBEW Iowa State Conference | Undecided | GA87 |
| Emily Hockins | IBEW Iowa State Conference | Opposing | GA87 |
| Emily Hockins | IBEW Iowa State Conference | Undecided | GA87 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA87 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA87 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Laurie Wolf | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA87 |
| Katie Graham | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Undecided | GA87 |
| Dustin Miller | Iowa Chapter, American Institute of Architects | Undecided | GA87 |
| Katie Graham | Iowa Chapter, American Institute of Architects | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA87 |
| Tom Cope | Iowa Chapter, American Society of Landscape Architects | Undecided | GA87 |
| Ryan Sempf | Iowa City Area Chamber of Commerce | Undecided | GA87 |
| Doug Struyk | Iowa Competitive Bidding Alliance, Inc. | Supporting | GA87 |
| Jennifer Dorman | Iowa Competitive Bidding Alliance, Inc. | Supporting | GA87 |
| Jim Carney | Iowa Competitive Bidding Alliance, Inc. | Supporting | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA87 |
| tom fey | Iowa State Building and Construction Trades Council | Opposing | GA87 |
| Ben Hammes | Master Builders of Iowa | Opposing | GA87 |
| Chad Kleppe | Master Builders of Iowa | Opposing | GA87 |
| Julie Smith | Master Builders of Iowa | Opposing | GA87 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Opposing | GA87 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Opposing | GA87 |
| David Adelman | Metropolitan Coalition | Undecided | GA87 |
| Frank Chiodo | Metropolitan Coalition | Undecided | GA87 |
| Matt Hinch | Metropolitan Coalition | Undecided | GA87 |
| Sara Allen | Metropolitan Coalition | Undecided | GA87 |
| Brian Johnson | NECA - Iowa (NEC) | Opposing | GA87 |
| Craig Walter | NECA - Iowa (NEC) | Opposing | GA87 |
| Donna Orton | North Iowa Area Community College | Undecided | GA87 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Opposing | GA87 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Opposing | GA87 |
| Henry Marquard | Quad Cities Chamber of Commerce | Undecided | GA87 |
| David Adelman | Sheet Metal Contractors of Iowa | Undecided | GA87 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Undecided | GA87 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Undecided | GA87 |
| Sara Allen | Sheet Metal Contractors of Iowa | Undecided | GA87 |