| Jake Oeth | Allied Insurance | Undecided | GA87 |
| Marc Beltrame | Allied Insurance | Undecided | GA87 |
| Matt McKinney | Allied Insurance | Undecided | GA87 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Supporting | GA87 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Undecided | GA87 |
| Doug Struyk | City of Des Moines | Undecided | GA87 |
| Doug Struyk | City of Des Moines | Opposing | GA87 |
| Jen Schulte | City of Des Moines | Undecided | GA87 |
| Jennifer Dorman | City of Des Moines | Undecided | GA87 |
| Jennifer Dorman | City of Des Moines | Opposing | GA87 |
| Jim Carney | City of Des Moines | Undecided | GA87 |
| Jim Carney | City of Des Moines | Opposing | GA87 |
| Eric Goranson | Habitat for Humanity of Iowa | Undecided | GA87 |
| Jay Iverson | Home Builders Association of Iowa | Supporting | GA87 |
| David Adelman | Hubbell Realty Company | Supporting | GA87 |
| Frank Chiodo | Hubbell Realty Company | Supporting | GA87 |
| Matt Hinch | Hubbell Realty Company | Supporting | GA87 |
| Sara Allen | Hubbell Realty Company | Supporting | GA87 |
| Thomas Jochum | International Union of Operating Engineers-Local 234 | Undecided | GA87 |
| Brad Lint | Iowa Association for Justice | Opposing | GA87 |
| Kellie Paschke | Iowa Association for Justice | Undecided | GA87 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA87 |
| Troy Skinner | Iowa Association for Justice | Undecided | GA87 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Jessica Hyland | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA87 |
| Emily Piper | Iowa Association of School Boards | Undecided | GA87 |
| Phil Jeneary | Iowa Association of School Boards | Undecided | GA87 |
| Eric Tabor | Iowa Attorney General Dept. of Justice | Opposing | GA87 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA87 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA87 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Undecided | GA87 |
| Dustin Miller | Iowa Chapter, American Institute of Architects | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA87 |
| Doug Struyk | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA87 |
| Jennifer Dorman | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA87 |
| Jim Carney | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA87 |
| Brad Epperly | Iowa Defense Counsel Association | Undecided | GA87 |
| Dustin Miller | Iowa Defense Counsel Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Defense Counsel Association | Undecided | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA87 |
| Wes Peterson | Iowa Finance Authority | Undecided | GA87 |
| Alan Kemp | Iowa League of Cities | Undecided | GA87 |
| Lindsey McCune | Iowa League of Cities | Undecided | GA87 |
| Robert Palmer | Iowa League of Cities | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA87 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA87 |
| Jim Carney | Iowa State Bar Association | Undecided | GA87 |
| tom fey | Iowa State Building and Construction Trades Council | Undecided | GA87 |
| Erich Schmidt | Laborers International Union of North America | Undecided | GA87 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA87 |
| Ben Hammes | Master Builders of Iowa | Undecided | GA87 |
| Chad Kleppe | Master Builders of Iowa | Supporting | GA87 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA87 |
| Julie Smith | Master Builders of Iowa | Supporting | GA87 |
| Julie Smith | Master Builders of Iowa | Undecided | GA87 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA87 |
| Craig Walter | NECA - Iowa (NEC) | Undecided | GA87 |
| Jake Oeth | Nationwide Agribusiness | Undecided | GA87 |
| Marc Beltrame | Nationwide Agribusiness | Undecided | GA87 |
| Matt McKinney | Nationwide Agribusiness | Undecided | GA87 |
| Jake Oeth | Nationwide Mutual Ins. Co. | Undecided | GA87 |
| Marc Beltrame | Nationwide Mutual Ins. Co. | Undecided | GA87 |
| Matt McKinney | Nationwide Mutual Ins. Co. | Undecided | GA87 |
| Eric Goranson | Plumbing Heating & Cooling Contractors of IA | Undecided | GA87 |