| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA91 |
| Bob Rafferty | Electronic Services System | Opposing | GA91 |
| Bob Rafferty | Electronic Services System | Undecided | GA91 |
| Census Lo-liyong | Electronic Services System | Opposing | GA91 |
| Census Lo-liyong | Electronic Services System | Undecided | GA91 |
| Nick Laning | Electronic Services System | Opposing | GA91 |
| Nick Laning | Electronic Services System | Undecided | GA91 |
| Justin Hupfer | Farm Credit Service of America | Undecided | GA91 |
| Greta Haas | Iowa Association of Realtors | Supporting | GA91 |
| Greta Haas | Iowa Association of Realtors | Undecided | GA91 |
| Jennifer Kingland | Iowa Association of Realtors | Supporting | GA91 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA91 |
| Mike Rozenboom | Iowa Bankers Association | Undecided | GA91 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA91 |
| Census Lo-liyong | Iowa County Recorders Association | Opposing | GA91 |
| Megan Clyman | Iowa County Recorders Association | Opposing | GA91 |
| Stacie Herridge | Iowa County Recorders Association | Opposing | GA91 |
| Justin Hupfer | Iowa Credit Union League | Undecided | GA91 |
| Madison Grady | Iowa Credit Union League | Undecided | GA91 |
| Deanna Triplett | Iowa Finance Authority | Undecided | GA91 |
| Mike St. Clair | Iowa Land Title Association | Undecided | GA91 |
| Mike Rozenboom | Iowa Mortgage Association | Undecided | GA91 |
| Sharon Presnall | Iowa Mortgage Association | Undecided | GA91 |
| Andrea Woodard | Iowa State Association of Counties | Undecided | GA91 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA91 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA91 |
| Clara Wulfsen | Iowa State Bar Association | Supporting | GA91 |
| Clara Wulfsen | Iowa State Bar Association | Undecided | GA91 |
| Doug Struyk | Iowa State Bar Association | Supporting | GA91 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA91 |
| Jennifer Dorman | Iowa State Bar Association | Supporting | GA91 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA91 |
| Jim Carney | Iowa State Bar Association | Supporting | GA91 |
| Jim Carney | Iowa State Bar Association | Undecided | GA91 |
| Jake Highfill | Iowa State Sheriffs' & Deputies' Association | Supporting | GA91 |
| Tony Phillips | Iowa State Sheriffs' & Deputies' Association | Supporting | GA91 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA91 |
| Gary Grant | Linn County Board of Supervisors | Withdrawn | GA91 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Withdrawn | GA91 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA91 |
| Clara Wulfsen | RELX Inc. | Supporting | GA91 |
| Clara Wulfsen | RELX Inc. | Undecided | GA91 |
| Doug Struyk | RELX Inc. | Supporting | GA91 |
| Doug Struyk | RELX Inc. | Undecided | GA91 |
| Jennifer Dorman | RELX Inc. | Supporting | GA91 |
| Jennifer Dorman | RELX Inc. | Undecided | GA91 |
| Jim Carney | RELX Inc. | Supporting | GA91 |
| Jim Carney | RELX Inc. | Undecided | GA91 |
| Gary Grant | Urban County Coalition | Undecided | GA91 |
| Larry Murphy | Urban County Coalition | Undecided | GA91 |
| Beth Wanless | Zillow Group | Undecided | GA91 |