| Melissa Speed | AFSCME Iowa Council 61 | Undecided | GA90 |
| David Scott | American Council of Engineering Companies | Undecided | GA90 |
| Brad Epperly | BNSF Railway Co. | Undecided | GA90 |
| Dustin Miller | BNSF Railway Co. | Undecided | GA90 |
| Brad Epperly | Bayer U.S. LLC | Undecided | GA90 |
| Dustin Miller | Bayer U.S. LLC | Undecided | GA90 |
| Carina Marquez-Oberhoffner | Bellin Gundersen Health System, Inc. | Undecided | GA90 |
| Matt Wimmer | Bellin Gundersen Health System, Inc. | Undecided | GA90 |
| Nathan Franklin | Bellin Gundersen Health System, Inc. | Undecided | GA90 |
| Jon Murphy | Casey's General Stores | Undecided | GA90 |
| Tom Cope | Casey's General Stores | Undecided | GA90 |
| Chelsea Hoye | Des Moines University | Undecided | GA90 |
| Nick Laning | Des Moines University | Undecided | GA90 |
| Threase Harms | Des Moines University | Undecided | GA90 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Undecided | GA90 |
| Gary Grant | Full Circle Services, Inc. | Undecided | GA90 |
| Larry Murphy | Full Circle Services, Inc. | Undecided | GA90 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA90 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA90 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA90 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA90 |
| Brad Lint | Iowa Association for Justice | Supporting | GA90 |
| Kellie Paschke | Iowa Association for Justice | Supporting | GA90 |
| Lisa Davis-Cook | Iowa Association for Justice | Supporting | GA90 |
| Troy Skinner | Iowa Association for Justice | Supporting | GA90 |
| Doug Struyk | Iowa Association of Nurse Anesthetists | Undecided | GA90 |
| Jennifer Dorman | Iowa Association of Nurse Anesthetists | Undecided | GA90 |
| Jim Carney | Iowa Association of Nurse Anesthetists | Undecided | GA90 |
| Doug Struyk | Iowa Athletic Trainers Society | Undecided | GA90 |
| Jennifer Dorman | Iowa Athletic Trainers Society | Undecided | GA90 |
| Jim Carney | Iowa Athletic Trainers Society | Undecided | GA90 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA90 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA90 |
| Chelsea Hoye | Iowa Barber and Cosmetology School Association | Undecided | GA90 |
| Nick Laning | Iowa Barber and Cosmetology School Association | Undecided | GA90 |
| Threase Harms | Iowa Barber and Cosmetology School Association | Undecided | GA90 |
| Carolann Jensen | Iowa Board of Regents | Undecided | GA90 |
| Jennifer Harbison | Iowa Board of Regents | Undecided | GA90 |
| Keith Saunders | Iowa Board of Regents | Undecided | GA90 |
| Mary Braun | Iowa Board of Regents | Undecided | GA90 |
| Brad Epperly | Iowa Collectors Association, Inc. | Undecided | GA90 |
| Dustin Miller | Iowa Collectors Association, Inc. | Undecided | GA90 |
| David Scott | Iowa Engineering Society | Undecided | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA90 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA90 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA90 |
| Eric Goranson | Iowa Hotel & Lodging Association | Undecided | GA90 |
| Andy Conlin | Iowa Independent Physician Group | Opposing | GA90 |
| Phil Jeneary | Iowa Medical Society | Opposing | GA90 |
| Eric Goranson | Iowa Restaurant Association | Undecided | GA90 |
| Jim Henter | Iowa Retail Federation | Undecided | GA90 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA90 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA90 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA90 |
| Jennifer Dorman | Iowa State Bar Association | Opposing | GA90 |
| Jim Carney | Iowa State Bar Association | Opposing | GA90 |
| Gary Grant | MH/DS of East Central Region | Undecided | GA90 |
| Larry Murphy | MH/DS of East Central Region | Undecided | GA90 |
| Christopher Rants | National Alliance on Mental Illness - Iowa | Undecided | GA90 |
| John Cacciatore | National Alliance on Mental Illness - Iowa | Undecided | GA90 |
| Lon Anderson | National Alliance on Mental Illness - Iowa | Undecided | GA90 |
| Renee Schulte | National Alliance on Mental Illness - Iowa | Undecided | GA90 |
| Dane Schumann | North Central States Regional Council of Carpenters | Undecided | GA90 |
| Kate Walton | POET, LLC | Undecided | GA90 |
| Madeleine Bradley | POET, LLC | Undecided | GA90 |
| Matt Eide | POET, LLC | Undecided | GA90 |
| Gary Grant | Resources for Human Development | Undecided | GA90 |
| Larry Murphy | Resources for Human Development | Undecided | GA90 |
| Gary Grant | Urban County Coalition | Undecided | GA90 |
| Larry Murphy | Urban County Coalition | Undecided | GA90 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA90 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA90 |