| Katie Hall | American Property Casualty Insurance Association (APCIA) | Undecided | GA88 |
| Mike St. Clair | American Property Casualty Insurance Association (APCIA) | Undecided | GA88 |
| Drew Klein | Americans For Prosperity | Supporting | GA88 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA88 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Undecided | 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 |
| Jon Murphy | Casey's General Stores | Undecided | GA88 |
| Tom Cope | Casey's General Stores | Undecided | GA88 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| ToyA Johnson | Families United Action Network (FUAN) | Supporting | GA88 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | 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 |
| Jay Iverson | Home Builders Association of Iowa | Undecided | GA88 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Brad Lint | Iowa Association for Justice | Opposing | GA88 |
| Lisa Davis-Cook | Iowa Association for Justice | Opposing | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Drew Wynes | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | 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 |
| ToyA Johnson | Iowa Citizens For Justice | Supporting | 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 |
| Brad Epperly | Iowa Defense Counsel Association | Undecided | GA88 |
| Dustin Miller | Iowa Defense Counsel Association | Undecided | GA88 |
| Paula Dierenfeld | Iowa Defense Counsel Association | Undecided | GA88 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA88 |
| Julianne Frosolone | Iowa Federation of Labor, AFL-CIO | Undecided | 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 |
| 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 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Opposing | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Opposing | GA88 |
| Ben Hammes | Master Builders of Iowa | Undecided | GA88 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA88 |
| Julie Smith | Master Builders of Iowa | Undecided | GA88 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA88 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA88 |
| Brad Epperly | Monsanto Company | Undecided | GA88 |
| Dustin Miller | Monsanto Company | Undecided | GA88 |
| Katie Graham | Monsanto Company | Undecided | GA88 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA88 |
| Craig Walter | NECA - Iowa (NEC) | Undecided | GA88 |
| Brian Johnson | NextEra Energy | Undecided | GA88 |
| Craig Walter | NextEra Energy | Undecided | GA88 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Undecided | GA88 |
| Kate Walton | Tyson Foods, Inc. | Undecided | GA88 |
| Matt Eide | Tyson Foods, Inc. | Undecided | GA88 |
| Brian Johnson | U.S. Cellular | Undecided | GA88 |
| Craig Walter | U.S. Cellular | Undecided | GA88 |
| BRITTANY LUMLEY | U.S. Justice Action Network | Supporting | GA88 |
| Charlotte Eby | U.S. Justice Action Network | Supporting | GA88 |
| Jeffrey Boeyink | U.S. Justice Action Network | Supporting | GA88 |
| Taylor McDonald | U.S. Justice Action Network | Supporting | GA88 |