| David Scott | American Council of Engineering Companies | Opposing | GA88 |
| Kate Walton | Arconic (Formerly Alcoa) | Opposing | GA88 |
| Matt Eide | Arconic (Formerly Alcoa) | Opposing | GA88 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA88 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA88 |
| Katie Graham | BNSF Railway Co. | Undecided | GA88 |
| Paula Dierenfeld | BNSF Railway Co. | Undecided | GA88 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA88 |
| Kristin Bauer | Board of Regents, State of Iowa | Undecided | GA88 |
| Mark Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Joe Gorton | Brady United Against Gun Violence | Opposing | GA88 |
| Kate Walton | CN Rail | Undecided | GA88 |
| Matt Eide | CN Rail | Undecided | GA88 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA88 |
| Charlotte Eby | Giffords | Opposing | GA88 |
| Taylor McDonald | Giffords | Opposing | GA88 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA88 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA88 |
| Katie Graham | Helena Agri-Enterprises, LLC | Undecided | GA88 |
| Paula Dierenfeld | Helena Agri-Enterprises, LLC | Undecided | GA88 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA88 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA88 |
| Mike Heller | Iowa Academy of Trial Lawyers | Opposing | GA88 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Opposing | GA88 |
| Dane Schumann | Iowa Alliance of YMCA's | Undecided | GA88 |
| Maddie Wilcox | Iowa Alliance of YMCA's | Undecided | GA88 |
| Threase Harms | Iowa Alliance of YMCA's | Undecided | GA88 |
| Brad Lint | Iowa Association for Justice | Undecided | GA88 |
| Lisa Davis-Cook | Iowa Association for Justice | Undecided | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| Drew Wynes | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | GA88 |
| David Palmer | Iowa Association of Community College Trustees | Undecided | GA88 |
| Emily Shields | Iowa Association of Community College Trustees | Undecided | GA88 |
| James Kersten | Iowa Association of Community College Trustees | Undecided | GA88 |
| Laurie Wolf | Iowa Association of Community College Trustees | Undecided | GA88 |
| Mike Heller | Iowa Association of Magistrate Judges | Opposing | GA88 |
| Paula Feltner | Iowa Association of Magistrate Judges | Opposing | GA88 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA88 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA88 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA88 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA88 |
| Katie Graham | Iowa Automobile Dealers Association | Undecided | GA88 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA88 |
| James Kersten | Iowa Central Community College | Undecided | GA88 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA88 |
| Dustin Miller | Iowa Collectors Association, Inc. | Undecided | GA88 |
| Katie Graham | Iowa Collectors Association, Inc. | Undecided | GA88 |
| Paula Dierenfeld | Iowa Collectors Association, Inc. | Undecided | GA88 |
| Brian Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Carolyn Uhlenhake-Walker | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Gary Nims | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Rita Carter | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Robert Mulqueen | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Roberta Paige | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Sheila Corsbie | Iowa Conference of United Methodist Church | Opposing | GA88 |
| Chad Pickering | Iowa Dept. of Public Defense | Undecided | GA88 |
| Richard Rogers | Iowa Firearms Coalition, Inc. | Supporting | GA88 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA88 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA88 |
| Katie Graham | Iowa Grocery Industry Association | Undecided | GA88 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA88 |
| Taylor McDonald | Iowa Judges Association | Opposing | GA88 |
| Alan Kemp | Iowa League of Cities | Undecided | GA88 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA88 |
| Robert Palmer | Iowa League of Cities | Undecided | GA88 |
| David Scott | Iowa Motor Truck Association | Opposing | GA88 |
| Gary Grant | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Opposing | GA88 |
| Larry Murphy | Iowa Police Chief Association (FKA Iowa Police Executive Forum) | Opposing | GA88 |
| Amy Campbell | Iowa Public Transit Association (IPT) | Opposing | GA88 |
| Craig Patterson | Iowa Public Transit Association (IPT) | Opposing | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA88 |
| William Peterson | Iowa State Association of Counties | Undecided | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Bradley Hudson | Iowa State Education Association | Opposing | GA88 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA88 |
| Mike Heller | Iowa State Police Association | Undecided | GA88 |
| Paula Feltner | Iowa State Police Association | Undecided | GA88 |
| Jeremy Brigham | Iowans for Gun Safety | Opposing | GA88 |
| Scott Peterson | Iowans for Gun Safety | Opposing | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Opposing | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Opposing | GA88 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA88 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA88 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA88 |
| Brad Epperly | Monsanto Company | Undecided | GA88 |
| Dustin Miller | Monsanto Company | Undecided | GA88 |
| Katie Graham | Monsanto Company | Undecided | GA88 |
| Scott Jones | National Rifle Association of America | Supporting | GA88 |
| Jesse Cickavage | Personal Interest-Jesse Cickavage | Supporting | GA88 |
| Zachariah Van Der Hart | Personal Interest-Zachariah Van Der Hart | Supporting | GA88 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA88 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA88 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA88 |
| Frank Stork | Wellmark, Inc. | Opposing | GA88 |
| Scott Sundstrom | Wellmark, Inc. | Opposing | GA88 |