| David Scott | American Council of Engineering Companies | Undecided | GA89 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA89 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA89 |
| Brad Epperly | Bayer U.S. LLC | Undecided | GA89 |
| Dustin Miller | Bayer U.S. LLC | Undecided | GA89 |
| Carolann Jensen | Board of Regents, State of Iowa | Undecided | GA89 |
| Jennifer Harbison | Board of Regents, State of Iowa | Undecided | GA89 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA89 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Undecided | GA89 |
| Doug Struyk | Dotdash Meredith | Undecided | GA89 |
| Jennifer Dorman | Dotdash Meredith | Undecided | GA89 |
| Jim Carney | Dotdash Meredith | Undecided | GA89 |
| Doug Struyk | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Jennifer Dorman | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Jim Carney | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Kyle Carlson | Elevance Health, and its Affiliates dba Anthem, Inc. | Undecided | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Undecided | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA89 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA89 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA89 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA89 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA89 |
| Gary Grant | Integrated Telehealth Partners | Undecided | GA89 |
| Larry Murphy | Integrated Telehealth Partners | Undecided | GA89 |
| Renee Schulte | Integrated Telehealth Partners | Undecided | GA89 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | GA89 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA89 |
| Nathan Blake | Iowa Attorney General Dept. of Justice | Undecided | GA89 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA89 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA89 |
| Mike Rozenboom | Iowa Bankers Association | Undecided | GA89 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA89 |
| Brad Epperly | Iowa Broadcasters Association | Opposing | GA89 |
| Dustin Miller | Iowa Broadcasters Association | Opposing | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA89 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Dustin Miller | Iowa Collectors Association, Inc. | Undecided | GA89 |
| Hannah McDowell | Iowa Cosmetology School Association | Undecided | GA89 |
| Nick Laning | Iowa Cosmetology School Association | Undecided | GA89 |
| Rachel Ong | Iowa Cosmetology School Association | Undecided | GA89 |
| Threase Harms | Iowa Cosmetology School Association | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Supporting | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA89 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA89 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA89 |
| David Adelman | Iowa Health Care Association | Undecided | GA89 |
| Frank Chiodo | Iowa Health Care Association | Undecided | GA89 |
| Matt Hinch | Iowa Health Care Association | Undecided | GA89 |
| Merea Bentrott | Iowa Health Care Association | Undecided | GA89 |
| Sara Allen | Iowa Health Care Association | Undecided | GA89 |
| Karla Fultz McHenry | Iowa Independent Physician Group | Undecided | GA89 |
| Alan Kemp | Iowa League of Cities | Undecided | GA89 |
| Daniel Stalder | Iowa League of Cities | Undecided | GA89 |
| Robert Palmer | Iowa League of Cities | Undecided | GA89 |
| David Scott | Iowa Motor Truck Association | Undecided | GA89 |
| Jim Henter | Iowa Retail Federation | Undecided | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Michael Gronstal | Iowa State Building and Construction Trades | Supporting | GA89 |
| Dylan Gramlich | Laborers International Union of North America | Supporting | GA89 |
| Gary Grant | MH/DS of East Central Region | Undecided | GA89 |
| Larry Murphy | MH/DS of East Central Region | Undecided | GA89 |
| Meghan Malloy | MH/DS of East Central Region | Undecided | GA89 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Supporting | GA89 |
| Felicia Hilton | North Central States Regional Council of Carpenters | Undecided | GA89 |
| Kevin McCarthy | North Central States Regional Council of Carpenters | Supporting | GA89 |
| Kevin McCarthy | North Central States Regional Council of Carpenters | Undecided | GA89 |
| Bill Gustoff | Personal Interest -Bill Gustoff | Undecided | GA89 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Undecided | GA89 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Undecided | GA89 |
| Gary Grant | Resources for Human Development | Undecided | GA89 |
| Larry Murphy | Resources for Human Development | Undecided | GA89 |
| Meghan Malloy | Resources for Human Development | Undecided | GA89 |
| Jim Romar | Teamsters Local 238 | Supporting | GA89 |
| Brad Epperly | Toppling Goliath Brewing Co. | Undecided | GA89 |
| Dustin Miller | Toppling Goliath Brewing Co. | Undecided | GA89 |
| Karl Schilling | United Professionals/UE | Supporting | GA89 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA89 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA89 |