| Angela Davis | Alamo Rent A Car | Undecided | GA87 |
| Bill Wimmer | Alamo Rent A Car | Undecided | GA87 |
| Christopher Rants | American Heart Association | Supporting | GA87 |
| John Cacciatore | American Heart Association | Supporting | GA87 |
| Stacy Frelund | American Heart Association | Supporting | GA87 |
| seth Johnson | American Heart Association | Supporting | GA87 |
| Dylan Mullenix | American Planning Association Iowa Chapter | Supporting | GA87 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| MIke Delaney | Citizens For A Healthy Iowa | Supporting | GA87 |
| Connor Slack | Connect CR | Supporting | GA87 |
| Dane Schumann | Connect CR | Supporting | GA87 |
| Emily Hockins | Connect CR | Supporting | GA87 |
| Threase Harms | Connect CR | Supporting | GA87 |
| Connor Slack | Des Moines Water Works | Undecided | GA87 |
| Dane Schumann | Des Moines Water Works | Undecided | GA87 |
| Emily Hockins | Des Moines Water Works | Undecided | GA87 |
| Threase Harms | Des Moines Water Works | Undecided | GA87 |
| Marc Beltrame | Ducks Unlimited, Inc. | Supporting | GA87 |
| RG Schwarm | Ducks Unlimited, Inc. | Supporting | GA87 |
| Angela Davis | Enterprise Rent-A-Car | Undecided | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Josh Mandelbaum | Environmental Law and Policy Center | Supporting | GA87 |
| Steve Falck | Environmental Law and Policy Center | Supporting | GA87 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA87 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA87 |
| Paige Thorson | Greater Des Moines Partnership | Undecided | GA87 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA87 |
| Jay Iverson | Home Builders Association of Iowa | Undecided | GA87 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| Brian Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Marty Ryan | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Rita Carter | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Sheila Corsbie | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Stephanie Fawkes-Lee | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Walden Paige | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| William Steward | Iowa Annual Conference of United Methodist Church | Supporting | GA87 |
| Amy Campbell | Iowa Association of County Conservation Boards | Supporting | GA87 |
| Craig Patterson | Iowa Association of County Conservation Boards | Supporting | GA87 |
| Linda Kinman | Iowa Association of Water Agencies | Undecided | GA87 |
| Angela Davis | Iowa Beverage Association | Undecided | GA87 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Connor Slack | Iowa Bicycle Coalition | Supporting | GA87 |
| Dane Schumann | Iowa Bicycle Coalition | Supporting | GA87 |
| Emily Hockins | Iowa Bicycle Coalition | Supporting | GA87 |
| Threase Harms | Iowa Bicycle Coalition | Supporting | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA87 |
| Paige Thorson | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Deborah Neustadt | Iowa Chapter of Sierra Club | Supporting | GA87 |
| Neila Seaman | Iowa Chapter of Sierra Club | Supporting | GA87 |
| Erica Blair | Iowa Citizens for Community Improvement Action Fund | Opposing | GA87 |
| Jess Mazour | Iowa Citizens for Community Improvement Action Fund | Opposing | GA87 |
| Mike Heller | Iowa Conservation Alliance | Supporting | GA87 |
| Deborah Thompson | Iowa Dept. of Public Health | Undecided | GA87 |
| Doug Struyk | Iowa Drainage District Association | Undecided | GA87 |
| Jim Carney | Iowa Drainage District Association | Undecided | GA87 |
| John Torbert | Iowa Drainage District Association | Undecided | GA87 |
| Mona Bond | Iowa Drainage District Association | Undecided | GA87 |
| Shannon Henson | Iowa Drainage District Association | Undecided | GA87 |
| Kerri Johannsen | Iowa Environmental Council | Supporting | GA87 |
| Ralph Rosenberg | Iowa Environmental Council | Supporting | GA87 |
| Connor Slack | Iowa Farmers Union | Supporting | GA87 |
| Dane Schumann | Iowa Farmers Union | Supporting | GA87 |
| Emily Hockins | Iowa Farmers Union | Supporting | GA87 |
| Threase Harms | Iowa Farmers Union | Supporting | GA87 |
| Susan Guy | Iowa Interfaith Power & Light | Supporting | GA87 |
| Alan Kemp | Iowa League of Cities | Supporting | GA87 |
| Lindsey McCune | Iowa League of Cities | Supporting | GA87 |
| Robert Palmer | Iowa League of Cities | Supporting | GA87 |
| Angela Davis | Iowa Lumber Association | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| Amy Campbell | Iowa Natural Heritage Foundation | Supporting | GA87 |
| Craig Patterson | Iowa Natural Heritage Foundation | Supporting | GA87 |
| Marian Riggs | Iowa Natural Heritage Foundation | Supporting | GA87 |
| Emily Piper | Iowa Rural Water Association | Undecided | GA87 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paige Thorson | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA87 |
| William Peterson | Iowa State Association of Counties | Supporting | GA87 |
| William Heckroth | Iowa State Association of County Supervisors | Supporting | GA87 |
| Brad Hudson | Iowa State Education Association | Supporting | GA87 |
| Melissa Peterson | Iowa State Education Association | Supporting | GA87 |
| MIke Delaney | Izaak Walton League - Iowa Division | Supporting | GA87 |
| Angela Davis | Johnson Brothers of Iowa, Inc. | Undecided | GA87 |
| Bill Wimmer | Johnson Brothers of Iowa, Inc. | Undecided | GA87 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA87 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA87 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA87 |
| Angela Davis | National Rent A Car | Undecided | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Angela Davis | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| Bill Wimmer | Q Casino, formerly Mystique Casino | Undecided | GA87 |
| MIke Delaney | Raccoon River Watershed Association | Supporting | GA87 |
| Brad Epperly | Resources Environmental Solutions | Undecided | GA87 |
| Dustin Miller | Resources Environmental Solutions | Undecided | GA87 |
| Paige Thorson | Resources Environmental Solutions | Undecided | GA87 |
| Paula Dierenfeld | Resources Environmental Solutions | Undecided | GA87 |
| Doug Struyk | The Nature Conservancy | Supporting | GA87 |
| Doug Struyk | The Nature Conservancy | Undecided | GA87 |
| Jim Carney | The Nature Conservancy | Supporting | GA87 |
| Jim Carney | The Nature Conservancy | Undecided | GA87 |
| Kristin Aschenbrenner | The Nature Conservancy | Supporting | GA87 |
| Shannon Henson | The Nature Conservancy | Supporting | GA87 |
| Shannon Henson | The Nature Conservancy | Undecided | GA87 |
| Craig Patterson | Travel Federation of Iowa | Supporting | GA87 |
| Gary Grant | Urban County Coalition | Undecided | GA87 |
| Larry Murphy | Urban County Coalition | Undecided | GA87 |
| Meghan Malloy | Urban County Coalition | Undecided | GA87 |
| Connor Slack | YMCA State Alliance | Supporting | GA87 |
| Dane Schumann | YMCA State Alliance | Supporting | GA87 |
| Emily Hockins | YMCA State Alliance | Supporting | GA87 |
| Threase Harms | YMCA State Alliance | Supporting | GA87 |