| Mazie Stilwell | AFSCME Iowa Council 61 | Undecided | GA87 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA87 |
| Jim Obradovich | Coalition for Iowa Woodlands and Trees | Supporting | GA87 |
| Jim Obradovich | Conservation Districts of Iowa | Supporting | 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 |
| Dane Schumann | Easter Seals Iowa | Supporting | GA87 |
| Emily Hockins | Easter Seals Iowa | Supporting | GA87 |
| Threase Harms | Easter Seals Iowa | Supporting | GA87 |
| Dawn Carlson | FUELIowa | Undecided | GA87 |
| Kellie Paschke | FUELIowa | Undecided | GA87 |
| Troy Skinner | FUELIowa | Undecided | GA87 |
| Brad Epperly | Helena Agri-Enterprises, LLC | Undecided | GA87 |
| Dustin Miller | Helena Agri-Enterprises, LLC | Undecided | GA87 |
| Katie Graham | Helena Agri-Enterprises, LLC | Undecided | GA87 |
| Paula Dierenfeld | Helena Agri-Enterprises, LLC | Undecided | GA87 |
| Jim Obradovich | Hungry Canyons Alliance | Undecided | GA87 |
| Pete McRoberts | Hungry Canyons Alliance | Undecided | GA87 |
| Robert Mulqueen | Hungry Canyons Alliance | Undecided | GA87 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA87 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA87 |
| Larry Murphy | Iowa Catholic Conference | Undecided | GA87 |
| Meghan Malloy | Iowa Catholic Conference | Undecided | GA87 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA87 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA87 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA87 |
| Tammie Krausman | Iowa Dept. of Natural Resources | Undecided | GA87 |
| Doug Struyk | Iowa Drainage District Association | Supporting | GA87 |
| Jennifer Dorman | Iowa Drainage District Association | Supporting | GA87 |
| Jim Carney | Iowa Drainage District Association | Supporting | GA87 |
| Dane Schumann | Iowa Farmers Union | Undecided | GA87 |
| Emily Hockins | Iowa Farmers Union | Undecided | GA87 |
| Threase Harms | Iowa Farmers Union | Undecided | GA87 |
| Jim Obradovich | Iowa Honey Producers Association | Supporting | GA87 |
| Robert Mulqueen | Iowa Honey Producers Association | Supporting | GA87 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA87 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA87 |
| Dane Schumann | Iowa Rivers Revival | Undecided | GA87 |
| Emily Hockins | Iowa Rivers Revival | Undecided | GA87 |
| Threase Harms | Iowa Rivers Revival | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA87 |
| William Peterson | Iowa State Association of Counties | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of County Supervisors | Undecided | GA87 |
| Kristi Harshbarger | Iowa State Association of County Supervisors | Undecided | GA87 |
| Lucas Beenken | Iowa State Association of County Supervisors | Undecided | GA87 |
| William Peterson | Iowa State Association of County Supervisors | Undecided | GA87 |
| Doug Struyk | Iowa Veterinary Medical Association | Supporting | GA87 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Supporting | GA87 |
| Jim Carney | Iowa Veterinary Medical Association | Supporting | GA87 |
| Gary Grant | Lake Delhi Combined Water Quality & Recreational Facility District | Undecided | GA87 |
| Larry Murphy | Lake Delhi Combined Water Quality & Recreational Facility District | Undecided | GA87 |
| Meghan Malloy | Lake Delhi Combined Water Quality & Recreational Facility District | Undecided | GA87 |
| Amy Campbell | League of Women Voters of Iowa | Undecided | GA87 |
| Craig Patterson | League of Women Voters of Iowa | 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 |
| Amy Campbell | Loess Hills Alliance | Undecided | GA87 |
| Craig Patterson | Loess Hills Alliance | Undecided | GA87 |
| Gary Grant | Midwestern Trading, Inc. | Undecided | GA87 |
| Larry Murphy | Midwestern Trading, Inc. | Undecided | GA87 |
| Meghan Malloy | Midwestern Trading, Inc. | Undecided | GA87 |
| Brad Epperly | Monsanto Company | Undecided | GA87 |
| Dustin Miller | Monsanto Company | Undecided | GA87 |
| Katie Graham | Monsanto Company | Undecided | GA87 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA87 |
| Doug Struyk | The Nature Conservancy | Undecided | GA87 |
| Jennifer Dorman | The Nature Conservancy | Undecided | GA87 |
| Jim Carney | The Nature Conservancy | Undecided | GA87 |
| Gary Grant | Urban County Coalition | Undecided | GA87 |
| Larry Murphy | Urban County Coalition | Undecided | GA87 |
| Meghan Malloy | Urban County Coalition | Undecided | GA87 |