| David Scott | American Council of Engineering Companies | Undecided | GA84 |
| Frank Chiodo | Associated General Contractors of IA | Undecided | GA84 |
| Ned Chiodo | Associated General Contractors of IA | Undecided | GA84 |
| Scott Newhard | Associated General Contractors of IA | Undecided | GA84 |
| Ann McCarthy | Board of Regents, State of IA | Undecided | GA84 |
| Bruce Rastetter | Board of Regents, State of IA | Undecided | GA84 |
| Craig Lang | Board of Regents, State of IA | Undecided | GA84 |
| Jeneane Beck | Board of Regents, State of IA | Undecided | GA84 |
| Keith Saunders | Board of Regents, State of IA | Undecided | GA84 |
| Robert Donley | Board of Regents, State of IA | Undecided | GA84 |
| Jerry Fitzgerald | Broadlawns Medical Center | Undecided | GA84 |
| Maggie Smith-Fitzgerald | Broadlawns Medical Center | Undecided | GA84 |
| Mark Joyce | Broadlawns Medical Center | Undecided | GA84 |
| Gary Grant | City of Cedar Rapids | Undecided | GA84 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA84 |
| Jerry Fitzgerald | City of Des Moines | Undecided | GA84 |
| Maggie Smith-Fitzgerald | City of Des Moines | Undecided | GA84 |
| Mark Joyce | City of Des Moines | Undecided | GA84 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA84 |
| Keith Luchtel | Greater Des Moines Partnership | Undecided | GA84 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA84 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA84 |
| James Piazza, Jr. | Heavy Highway Contractors Assn. | Undecided | GA84 |
| Cal Hultman | IA. Alliance of Surety Companies | Undecided | GA84 |
| Michael Triplett | IA. Alliance of Surety Companies | Undecided | GA84 |
| John Gilliland | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Kevin Condon | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| Michael Ralston | IA. Assn. of Business and Industry (ABI) | Undecided | GA84 |
| David Palmer | IA. Assn. of Community College Trustees (IACCT) | Undecided | GA84 |
| Jerry Fitzgerald | IA. Assn. of Community College Trustees (IACCT) | Undecided | GA84 |
| Maggie Smith-Fitzgerald | IA. Assn. of Community College Trustees (IACCT) | Undecided | GA84 |
| Mark Joyce | IA. Assn. of Community College Trustees (IACCT) | Undecided | GA84 |
| Julie Smith | IA. Assn. of Municipal Utilities | Undecided | GA84 |
| Larry Pope | IA. Assn. of Municipal Utilities | Undecided | GA84 |
| Robert Haug | IA. Assn. of Municipal Utilities | Undecided | GA84 |
| Emily Piper | IA. Assn. of School Boards | Undecided | GA84 |
| Galen Howsare | IA. Assn. of School Boards | Undecided | GA84 |
| Mary Gannon | IA. Assn. of School Boards | Undecided | GA84 |
| Thomas Downs | IA. Assn. of School Boards | Undecided | GA84 |
| Eric Tabor | IA. Attorney General Dept. of Justice | Undecided | GA84 |
| Brad Epperly | IA. Chamber Alliance | Undecided | GA84 |
| John Stineman | IA. Chamber Alliance | Undecided | GA84 |
| Keith Luchtel | IA. Chamber Alliance | Undecided | GA84 |
| Paula Dierenfeld | IA. Chamber Alliance | Undecided | GA84 |
| Scott Sundstrom | IA. Chamber Alliance | Undecided | GA84 |
| Brad Epperly | IA. Chapter, American Institute of Architects | Undecided | GA84 |
| Keith Luchtel | IA. Chapter, American Institute of Architects | Undecided | GA84 |
| Paula Dierenfeld | IA. Chapter, American Institute of Architects | Undecided | GA84 |
| Scott Sundstrom | IA. Chapter, American Institute of Architects | Undecided | GA84 |
| George Appleby | IA. Competitive Bidding Alliance, Inc. | Undecided | GA84 |
| Jennifer Tyler | IA. Competitive Bidding Alliance, Inc. | Undecided | GA84 |
| Jim Carney | IA. Competitive Bidding Alliance, Inc. | Undecided | GA84 |
| Lyle Brehm | IA. County Engineers Assn. | Undecided | GA84 |
| Mike Cormack | IA. Dept. of Education | Undecided | GA84 |
| Beverly Zylstra | IA. Dept. of Inspections and Appeals | Undecided | GA84 |
| Diane Ford | IA. Dept. of Natural Resources | Undecided | GA84 |
| Elizabeth Baird | IA. Dept. of Transportation | Undecided | GA84 |
| Craig Block | IA. Economic Development Authority | Undecided | GA84 |
| David Scott | IA. Engineering Society | Undecided | GA84 |
| Charlie Wishman | IA. Federation of Labor, AFL-CIO | Undecided | GA84 |
| Ken Sagar | IA. Federation of Labor, AFL-CIO | Undecided | GA84 |
| Emily Piper | IA. Rural Water Assn. | Undecided | GA84 |
| Hanna DeGroot | IA. State Assn. of Counties | Undecided | GA84 |
| Kristi Harshbarger | IA. State Assn. of Counties | Undecided | GA84 |
| Linda Hinton | IA. State Assn. of Counties | Undecided | GA84 |
| MaryBeth Mellick | IA. State Assn. of Counties | Undecided | GA84 |
| William Peterson | IA. State Assn. of Counties | Undecided | GA84 |
| Michael Wentzien | IA. State Assn. of County Supervisors | Undecided | GA84 |
| Mike St. Clair | IA. State Building and Construction Trades Council | Undecided | GA84 |
| tom fey | IA. State Building and Construction Trades Council | Undecided | GA84 |
| tom fey | IA. State Building and Construction Trades Council | Opposing | GA84 |
| Kerri Johannsen | IA. Utilities Board | Undecided | GA84 |
| Jen Schulte | IBEW IA State Conference | Undecided | GA84 |
| Kent Hartwig | IBEW IA State Conference | Undecided | GA84 |
| Threase Harms | IBEW IA State Conference | Undecided | GA84 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA84 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA84 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA84 |
| Jamie Cashman | Polk County - Board of Supervisors | Undecided | GA84 |
| Tom Narak | School Administrators of IA | Undecided | GA84 |
| Mark Cooper | South Central Iowa Federation of Labor AFL-CIO | Undecided | GA84 |
| Frank Stork | Wellmark, Inc. | Undecided | GA84 |
| Michelle Lickteig | Wellmark, Inc. | Undecided | GA84 |