| Emily Piper | American Association of Marriage and Family Therapy | Undecided | GA89 |
| Brad Epperly | Ames Chamber of Commerce | Opposing | GA89 |
| Dustin Miller | Ames Chamber of Commerce | Opposing | GA89 |
| Brad Epperly | Bayer U.S. LLC | Opposing | GA89 |
| Dustin Miller | Bayer U.S. LLC | Opposing | 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 | Opposing | GA89 |
| Casey Ficek | Delta Dental of Iowa | Undecided | GA89 |
| Karla Fultz McHenry | Delta Dental of Iowa | Undecided | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Opposing | GA89 |
| Ryan Sempf | Dubuque Area Chamber of Commerce | Undecided | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Opposing | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Opposing | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Opposing | GA89 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Opposing | GA89 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Opposing | GA89 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA89 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA89 |
| Brad Lint | Iowa Association for Justice | Supporting | GA89 |
| Lisa Davis-Cook | Iowa Association for Justice | Supporting | GA89 |
| Brad Epperly | Iowa Association of Ambulatory Surgery Centers | Opposing | GA89 |
| Dustin Miller | Iowa Association of Ambulatory Surgery Centers | Opposing | GA89 |
| Amy Campbell | Iowa Association of Rural Health Clinics | Undecided | GA89 |
| Craig Patterson | Iowa Association of Rural Health Clinics | Undecided | GA89 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA89 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA89 |
| Kent Nebel | Iowa Board of Medicine | Undecided | GA89 |
| Brad Epperly | Iowa Broadcasters Association | Opposing | GA89 |
| Dustin Miller | Iowa Broadcasters Association | Opposing | GA89 |
| Amy Campbell | Iowa CareGivers | Undecided | GA89 |
| Craig Patterson | Iowa CareGivers | Undecided | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Opposing | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Opposing | GA89 |
| Chelsea Hoye | Iowa Cosmetology School Association | Supporting | GA89 |
| Emilee Harris-Puricelli | Iowa Cosmetology School Association | Supporting | GA89 |
| Nick Laning | Iowa Cosmetology School Association | Supporting | GA89 |
| Threase Harms | Iowa Cosmetology School Association | Supporting | GA89 |
| David Adelman | Iowa Health Care Association | Undecided | GA89 |
| Frank Chiodo | Iowa Health Care Association | Undecided | GA89 |
| Lillie Brady | 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 |
| Emily Piper | Iowa Mental Health Counselors Association | Undecided | GA89 |
| Amy Campbell | Iowa Nurses Association | Undecided | GA89 |
| Craig Patterson | Iowa Nurses Association | Undecided | GA89 |
| Amy Campbell | Iowa Primary Care Association | Undecided | GA89 |
| Craig Patterson | Iowa Primary Care Association | Undecided | GA89 |
| Emily Piper | Iowa Psychiatric Physicians Society | Undecided | GA89 |
| Doug Struyk | Iowa State Bar Association | Opposing | GA89 |
| Jennifer Dorman | Iowa State Bar Association | Opposing | GA89 |
| Jim Carney | Iowa State Bar Association | Opposing | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA89 |
| Brad Epperly | Quad Cities Chamber of Commerce | Opposing | GA89 |
| Dustin Miller | Quad Cities Chamber of Commerce | Opposing | GA89 |
| Brad Epperly | Toppling Goliath Brewing Co. | Opposing | GA89 |
| Dustin Miller | Toppling Goliath Brewing Co. | Opposing | GA89 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA89 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA89 |