| Dane Schumann | American College of Obstetricians & Gynecologists | Undecided | GA91 |
| David Scott | American Council of Engineering Companies | Undecided | GA91 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Emily Piper | Classroom Clinic | Undecided | GA91 |
| Logan Shine | Classroom Clinic | Undecided | GA91 |
| Jacob Schrader | Greater Iowa Apartment Association | Opposing | GA91 |
| Logan Murray | Greater Iowa Apartment Association | Opposing | GA91 |
| Sydney Gangestad | Greater Iowa Apartment Association | Opposing | GA91 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA91 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA91 |
| Emily Piper | Integrated Telehealth Partners | Undecided | GA91 |
| Logan Shine | Integrated Telehealth Partners | Undecided | GA91 |
| Cyndi Pederson | International Interior Design Association | Undecided | GA91 |
| Elizabeth Crimmings | International Interior Design Association | Undecided | GA91 |
| John Pederson | International Interior Design Association | Undecided | GA91 |
| David Adelman | Iowa Academy of Family Physicians | Undecided | GA91 |
| Frank Chiodo | Iowa Academy of Family Physicians | Undecided | GA91 |
| Matt Hinch | Iowa Academy of Family Physicians | Undecided | GA91 |
| Paige Thorson | Iowa Academy of Family Physicians | Undecided | GA91 |
| Sara Allen | Iowa Academy of Family Physicians | Undecided | GA91 |
| Clair Lewis | Iowa Academy of Nutrition and Dietetics | Undecided | GA91 |
| Kate Walton | Iowa Academy of Nutrition and Dietetics | Undecided | GA91 |
| Matt Eide | Iowa Academy of Nutrition and Dietetics | Undecided | GA91 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA91 |
| Jeff Smith | Iowa Association of Behavior Analysis | Undecided | GA91 |
| Maggie Smith-Fitzgerald | Iowa Association of Behavior Analysis | Undecided | GA91 |
| Matt Fitzgerald | Iowa Association of Behavior Analysis | Undecided | GA91 |
| Greta Haas | Iowa Association of Realtors | Opposing | GA91 |
| Jennifer Kingland | Iowa Association of Realtors | Opposing | GA91 |
| Doug Struyk | Iowa Athletic Trainers Society | Undecided | GA91 |
| Jennifer Dorman | Iowa Athletic Trainers Society | Undecided | GA91 |
| Jim Carney | Iowa Athletic Trainers Society | Undecided | GA91 |
| Kelsey Schott | Iowa Chapter, American Institute of Architects | Undecided | GA91 |
| Matt McKinney | Iowa Chapter, American Institute of Architects | Undecided | GA91 |
| RG Schwarm | Iowa Chapter, American Institute of Architects | Undecided | GA91 |
| Jon Murphy | Iowa Chapter, American Society of Landscape Architects | Opposing | GA91 |
| Jon Murphy | Iowa Chapter, American Society of Landscape Architects | Withdrawn | GA91 |
| Tom Cope | Iowa Chapter, American Society of Landscape Architects | Opposing | GA91 |
| Jeff Smith | Iowa Chiropractic Society | Undecided | GA91 |
| Maggie Smith-Fitzgerald | Iowa Chiropractic Society | Undecided | GA91 |
| Matt Fitzgerald | Iowa Chiropractic Society | Undecided | GA91 |
| David Adelman | Iowa Dental Association | Undecided | GA91 |
| Frank Chiodo | Iowa Dental Association | Undecided | GA91 |
| Joshua Carpenter | Iowa Dental Association | Undecided | GA91 |
| Matt Hinch | Iowa Dental Association | Undecided | GA91 |
| Paige Thorson | Iowa Dental Association | Undecided | GA91 |
| Sara Allen | Iowa Dental Association | Undecided | GA91 |
| Sara Throener | Iowa Department of Inspections, Appeals, and Licensing | Supporting | GA91 |
| Sarah Vanderploeg | Iowa Department of Inspections, Appeals, and Licensing | Supporting | GA91 |
| David Scott | Iowa Engineering Society | Undecided | GA91 |
| Michael Triplett | Iowa Funeral Directors Association | Undecided | GA91 |
| Andy Conlin | Iowa Independent Physician Group | Undecided | GA91 |
| Dennis Tibben | Iowa Independent Physician Group | Undecided | GA91 |
| Clair Lewis | Iowa Medical Society | Undecided | GA91 |
| Kate Walton | Iowa Medical Society | Undecided | GA91 |
| Matt Eide | Iowa Medical Society | Undecided | GA91 |
| Seth Brown | Iowa Medical Society | Undecided | GA91 |
| Emily Piper | Iowa Mental Health Counselors Association | Undecided | GA91 |
| Logan Shine | Iowa Mental Health Counselors Association | Undecided | GA91 |
| Gary Ellis | Iowa Optometric Association | Undecided | GA91 |
| Clair Lewis | Iowa Pharmacy Association | Undecided | GA91 |
| Kate Walton | Iowa Pharmacy Association | Undecided | GA91 |
| Matt Eide | Iowa Pharmacy Association | Undecided | GA91 |
| Jacob Schrader | Iowa Physician Assistant Society | Undecided | GA91 |
| Logan Murray | Iowa Physician Assistant Society | Undecided | GA91 |
| Sydney Gangestad | Iowa Physician Assistant Society | Undecided | GA91 |
| Emily Piper | Iowa Psychiatric Physicians Society | Undecided | GA91 |
| Logan Shine | Iowa Psychiatric Physicians Society | Undecided | GA91 |
| Clair Lewis | Iowa Society for Respiratory Care | Undecided | GA91 |
| Kate Walton | Iowa Society for Respiratory Care | Undecided | GA91 |
| Matt Eide | Iowa Society for Respiratory Care | Undecided | GA91 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| Casey Nickel | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA91 |
| Doug Struyk | Iowa Veterinary Medical Association | Undecided | GA91 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Undecided | GA91 |
| Jim Carney | Iowa Veterinary Medical Association | Undecided | GA91 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA91 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA91 |
| Christopher Rants | NECA - Iowa (NEC) | Undecided | GA91 |
| Justin Hupfer | NECA - Iowa (NEC) | Undecided | GA91 |
| David Adelman | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Paige Thorson | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| Sara Allen | Sheet Metal Contractors of Iowa | Undecided | GA91 |
| David Scott | Society of Land Surveyors of Iowa | Undecided | GA91 |