| David Adelman | Abbell & OVSE | Supporting | GA88 |
| Frank Chiodo | Abbell & OVSE | Supporting | GA88 |
| Matt Hinch | Abbell & OVSE | Supporting | GA88 |
| Sara Allen | Abbell & OVSE | Supporting | GA88 |
| Tony Phillips | Abbell & OVSE | Supporting | GA88 |
| Doug Struyk | Accountants Association of Iowa | Undecided | GA88 |
| Jennifer Dorman | Accountants Association of Iowa | Undecided | GA88 |
| Jim Carney | Accountants Association of Iowa | Undecided | GA88 |
| BRITTANY LUMLEY | ActivStyle, Inc. | Supporting | GA88 |
| Charlotte Eby | ActivStyle, Inc. | Supporting | GA88 |
| Jeffrey Boeyink | ActivStyle, Inc. | Supporting | GA88 |
| Steven Van Steenhuyse | American Planning Association Iowa Chapter | Opposing | GA88 |
| Drew Klein | Americans For Prosperity | Supporting | GA88 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA88 |
| Doug Struyk | Anheuser Busch | Supporting | GA88 |
| Jennifer Dorman | Anheuser Busch | Supporting | GA88 |
| Jim Carney | Anheuser Busch | Supporting | GA88 |
| Jake Ketzner | Association of Iowa Fairs | Undecided | GA88 |
| Larry Blixt | Association of Iowa Fairs | Undecided | GA88 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Supporting | GA88 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| Gary Grant | City of Cedar Rapids | Undecided | GA88 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA88 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA88 |
| MaryNelle Trefz | Common Good Iowa | Opposing | GA88 |
| Sheila Hansen | Common Good Iowa | Opposing | GA88 |
| Clara Wulfsen | Department of Revenue | Supporting | GA88 |
| Tim Reilly | Department of Revenue | Supporting | GA88 |
| Mark Joyce | E. I. du Pont de Nemours and Company dba Corteva Agriscience | Supporting | GA88 |
| Robert Haus | E. I. du Pont de Nemours and Company dba Corteva Agriscience | Supporting | GA88 |
| Kellie Paschke | FUELIowa (PMCI) | Undecided | GA88 |
| Troy Skinner | FUELIowa (PMCI) | Undecided | GA88 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA88 |
| BRITTANY LUMLEY | Iowa Advocates for Choice in Education | Supporting | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Supporting | GA88 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA88 |
| Eric Goranson | Iowa Association of Christian Schools | Supporting | GA88 |
| Jenica Lensmeyer | Iowa Bankers Association | Supporting | GA88 |
| John Sorensen | Iowa Bankers Association | Supporting | GA88 |
| Mike Rozenboom | Iowa Bankers Association | Supporting | GA88 |
| Robert Hartwig | Iowa Bankers Association | Supporting | GA88 |
| Sharon Presnall | Iowa Bankers Association | Supporting | GA88 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Joe Murphy | Iowa Business Council | Supporting | GA88 |
| Joan Thompson | Iowa Catholic Conference | Supporting | GA88 |
| Larry Murphy | Iowa Catholic Conference | Supporting | GA88 |
| Meghan Malloy | Iowa Catholic Conference | Supporting | GA88 |
| Tom Chapman | Iowa Catholic Conference | Supporting | GA88 |
| Brad Epperly | Iowa Chamber Alliance | Supporting | GA88 |
| Dustin Miller | Iowa Chamber Alliance | Supporting | GA88 |
| Katie Graham | Iowa Chamber Alliance | Supporting | GA88 |
| Paula Dierenfeld | Iowa Chamber Alliance | Supporting | GA88 |
| Dave Duncan | Iowa Communications Alliance | Supporting | GA88 |
| Katie Hall | Iowa Communications Alliance | Supporting | GA88 |
| Mike St. Clair | Iowa Communications Alliance | Supporting | GA88 |
| Gracie Brandsgard | Iowa Credit Union League | Undecided | GA88 |
| Justin Hupfer | Iowa Credit Union League | Undecided | GA88 |
| Katie Hall | Iowa Land Title Association | Undecided | GA88 |
| Mike St. Clair | Iowa Land Title Association | Undecided | GA88 |
| Amy Campbell | Iowa Primary Care Association | Undecided | GA88 |
| Craig Patterson | Iowa Primary Care Association | Undecided | GA88 |
| Jim Henter | Iowa Retail Federation | Supporting | GA88 |
| Mike Heller | Iowa State Association of Assessors | Undecided | GA88 |
| Paula Feltner | Iowa State Association of Assessors | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA88 |
| William Peterson | Iowa State Association of Counties | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of County Auditors | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of County Auditors | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of County Auditors | Undecided | GA88 |
| William Peterson | Iowa State Association of County Auditors | Undecided | GA88 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA88 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA88 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA88 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA88 |
| Morgan Miller | Iowa State Education Association | Opposing | GA88 |
| Jennifer Kingland | Iowa Taxpayers Association | Supporting | GA88 |
| Tom Sands | Iowa Taxpayers Association | Supporting | GA88 |
| Mark Joyce | Iowa Whitetail Deer Association | Supporting | GA88 |
| David Adelman | Iowans For School Choice | Supporting | GA88 |
| Frank Chiodo | Iowans For School Choice | Supporting | GA88 |
| Matt Hinch | Iowans For School Choice | Supporting | GA88 |
| Sara Allen | Iowans For School Choice | Supporting | GA88 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA88 |
| Craig Patterson | League of Women Voters of Iowa | Undecided | GA88 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA88 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA88 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA88 |
| Ben Hammes | Master Builders of Iowa | Supporting | GA88 |
| Julie Smith | Master Builders of Iowa | Supporting | GA88 |
| Doug Struyk | Meredith Corporation | Undecided | GA88 |
| Jennifer Dorman | Meredith Corporation | Undecided | GA88 |
| Jim Carney | Meredith Corporation | Undecided | GA88 |
| David Adelman | Metropolitan Coalition | Supporting | GA88 |
| Frank Chiodo | Metropolitan Coalition | Supporting | GA88 |
| Matt Hinch | Metropolitan Coalition | Supporting | GA88 |
| Sara Allen | Metropolitan Coalition | Supporting | GA88 |
| Brian Johnson | NextEra Energy | Supporting | GA88 |
| Christopher Rants | NextEra Energy | Opposing | GA88 |
| Justin Hupfer | NextEra Energy | Opposing | GA88 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA88 |
| Kellie Paschke | Prairie Meadows Racetrack and Casino | Undecided | GA88 |
| Troy Skinner | Prairie Meadows Racetrack and Casino | Undecided | GA88 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Supporting | GA88 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Supporting | GA88 |
| Dave Daughton | Rural School Advocates of Iowa | Undecided | GA88 |
| Margaret Buckton | Rural School Advocates of Iowa | Undecided | GA88 |
| BRITTANY LUMLEY | Summit Group | Undecided | GA88 |
| Charlotte Eby | Summit Group | Undecided | GA88 |
| Jeffrey Boeyink | Summit Group | Undecided | GA88 |
| Taylor McDonald | Summit Group | Undecided | GA88 |
| Steven Schoenebaum | Syngenta Crop Protection | Undecided | GA88 |
| Angie Long | The Family Leader | Supporting | GA88 |
| Chuck Hurley | The Family Leader | Supporting | GA88 |
| Daniel Sunne | The Family Leader | Supporting | GA88 |
| Danny Carroll | The Family Leader | Supporting | GA88 |
| Angie Long | The Family Leader Foundation | Supporting | GA88 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA88 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA88 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA88 |
| Amy Campbell | Travel Federation of Iowa | Undecided | GA88 |
| Craig Patterson | Travel Federation of Iowa | Undecided | GA88 |
| Gary Grant | Urban County Coalition | Undecided | GA88 |
| Larry Murphy | Urban County Coalition | Undecided | GA88 |
| Meghan Malloy | Urban County Coalition | Undecided | GA88 |
| Mike Heller | Waste Management, Inc. | Undecided | GA88 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA88 |
| Brandon Geib | Wellmark, Inc. | Undecided | GA88 |
| Scott Sundstrom | Wellmark, Inc. | Undecided | GA88 |