| Angela Davis | Alamo Rent A Car | Withdrawn | GA86 |
| Angela Davis | Alamo Rent A Car | Undecided | GA86 |
| Bill Wimmer | Alamo Rent A Car | Withdrawn | GA86 |
| Bill Wimmer | Alamo Rent A Car | Undecided | GA86 |
| David Scott | American Water Works Association | Supporting | GA86 |
| Drew Klein | Americans For Prosperity | Undecided | GA86 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA86 |
| Jim Obradovich | Central Iowa Water Association | Undecided | GA86 |
| Jim Obradovich | Conservation Districts of Iowa | Undecided | GA86 |
| Dane Schumann | Des Moines Water Works | Supporting | GA86 |
| Emily Hockins | Des Moines Water Works | Supporting | GA86 |
| Threase Harms | Des Moines Water Works | Supporting | GA86 |
| Angela Davis | Enterprise Rent-A-Car | Withdrawn | GA86 |
| Angela Davis | Enterprise Rent-A-Car | Undecided | GA86 |
| Bill Wimmer | Enterprise Rent-A-Car | Withdrawn | GA86 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA86 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA86 |
| Michael Triplett | Greater Iowa Apartment Association | Undecided | GA86 |
| Jay Iverson | Home Builders Association of Iowa | Undecided | GA86 |
| Angela Davis | Hy-Vee, Inc. | Withdrawn | GA86 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA86 |
| Bill Wimmer | Hy-Vee, Inc. | Withdrawn | GA86 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA86 |
| Timothy Whipple | Iowa Association of Municipal Utilities | Supporting | GA86 |
| Linda Kinman | Iowa Association of Water Agencies | Supporting | GA86 |
| Angela Davis | Iowa Beverage Association | Withdrawn | GA86 |
| Angela Davis | Iowa Beverage Association | Undecided | GA86 |
| Bill Wimmer | Iowa Beverage Association | Withdrawn | GA86 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA86 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA86 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA86 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA86 |
| Scott Sundstrom | Iowa Chamber Alliance | Undecided | GA86 |
| Jim Obradovich | Iowa Environmental Council | Undecided | GA86 |
| Dustin Miller | Iowa League of Cities | Supporting | GA86 |
| Robert Palmer | Iowa League of Cities | Supporting | GA86 |
| Angela Davis | Iowa Lumber Association | Withdrawn | GA86 |
| Angela Davis | Iowa Lumber Association | Undecided | GA86 |
| Bill Wimmer | Iowa Lumber Association | Withdrawn | GA86 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA86 |
| Emily Piper | Iowa Rural Water Association | Supporting | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | GA86 |
| Brad Epperly | Iowa Water Well Association | Opposing | GA86 |
| Paula Dierenfeld | Iowa Water Well Association | Opposing | GA86 |
| Scott Sundstrom | Iowa Water Well Association | Opposing | GA86 |
| Brad Epperly | Lewis and Clark Regional Water System | Undecided | GA86 |
| Paula Dierenfeld | Lewis and Clark Regional Water System | Undecided | GA86 |
| Scott Sundstrom | Lewis and Clark Regional Water System | Undecided | GA86 |
| Angela Davis | National Rent A Car | Withdrawn | GA86 |
| Angela Davis | National Rent A Car | Undecided | GA86 |
| Bill Wimmer | National Rent A Car | Withdrawn | GA86 |
| Bill Wimmer | National Rent A Car | Undecided | GA86 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA86 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA86 |
| Emily Piper | Rathbun Regional Water Association | Supporting | GA86 |