| David Scott | American Council of Engineering Companies | Opposing | GA91 |
| David Scott | American Council of Engineering Companies | Undecided | GA91 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Supporting | GA91 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Opposing | GA91 |
| Jeff Smith | Broadlawns Medical Center | Undecided | GA91 |
| Maggie Smith-Fitzgerald | Broadlawns Medical Center | Undecided | GA91 |
| Matt Fitzgerald | Broadlawns Medical Center | Undecided | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Gary Grant | City of Cedar Rapids | Undecided | GA91 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA91 |
| Brad Epperly | City of Marion | Undecided | GA91 |
| Casey Nickel | City of Marion | Undecided | GA91 |
| Dustin Miller | City of Marion | Undecided | GA91 |
| Clara Wulfsen | City of Waukee | Undecided | GA91 |
| Doug Struyk | City of Waukee | Undecided | GA91 |
| Jennifer Dorman | City of Waukee | Undecided | GA91 |
| Jim Carney | City of Waukee | Undecided | GA91 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA91 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA91 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA91 |
| Emily Shields | Iowa Association of Community College Trustees | Opposing | GA91 |
| Jeff Smith | Iowa Association of Community College Trustees | Opposing | GA91 |
| Katrina Holck | Iowa Association of Community College Trustees | Opposing | GA91 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Opposing | GA91 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Opposing | GA91 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA91 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA91 |
| Michelle Johnson | Iowa Association of School Boards | Undecided | GA91 |
| Michelle Johnson | Iowa Association of School Boards | Opposing | GA91 |
| Carolann Jensen | Iowa Board of Regents | Undecided | GA91 |
| Jennifer Harbison | Iowa Board of Regents | Undecided | GA91 |
| Jillian Carlson | Iowa Board of Regents | Undecided | GA91 |
| Keith Saunders | Iowa Board of Regents | Undecided | GA91 |
| Clara Wulfsen | Iowa Drainage District Association | Undecided | GA91 |
| Doug Struyk | Iowa Drainage District Association | Undecided | GA91 |
| Jennifer Dorman | Iowa Drainage District Association | Undecided | GA91 |
| Jim Carney | Iowa Drainage District Association | Undecided | GA91 |
| David Scott | Iowa Engineering Society | Opposing | GA91 |
| David Scott | Iowa Good Roads Association | Opposing | GA91 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Kellie Paschke | Marion County Board of Supervisors | Undecided | GA91 |
| Kelly Meyers | Marion County Board of Supervisors | Undecided | GA91 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA91 |
| Logan Shine | Master Builders of Iowa | Supporting | GA91 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA91 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Opposing | GA91 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA91 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Opposing | GA91 |
| David Adelman | Metropolitan Coalition | Undecided | GA91 |
| Frank Chiodo | Metropolitan Coalition | Undecided | GA91 |
| Matt Hinch | Metropolitan Coalition | Undecided | GA91 |
| Paige Thorson | Metropolitan Coalition | Undecided | GA91 |
| Sara Allen | Metropolitan Coalition | Undecided | GA91 |
| Dane Schumann | Mid-American Carpenters Regional Council | Undecided | GA91 |
| Christopher Rants | NECA - Iowa (NEC) | Undecided | GA91 |
| Christopher Rants | NECA - Iowa (NEC) | Opposing | GA91 |
| John Cacciatore | NECA - Iowa (NEC) | Opposing | GA91 |
| Justin Hupfer | NECA - Iowa (NEC) | Undecided | GA91 |
| Justin Hupfer | NECA - Iowa (NEC) | Opposing | GA91 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA91 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA91 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA91 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA91 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA91 |
| Dave Daughton | School Administrators of Iowa | Undecided | GA91 |
| Dave Daughton | School Administrators of Iowa | Opposing | GA91 |
| David Adelman | Sheet Metal Contractors of Iowa | Supporting | GA91 |
| David Adelman | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Supporting | GA91 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Supporting | GA91 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Paige Thorson | Sheet Metal Contractors of Iowa | Supporting | GA91 |
| Paige Thorson | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Sara Allen | Sheet Metal Contractors of Iowa | Supporting | GA91 |
| Sara Allen | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |
| Margaret Buckton | Urban Education Network of Iowa | Undecided | GA91 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA91 |