| Gary Grant | Cedar Rapids Metro Economic Alliance | Supporting | GA90 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Undecided | GA90 |
| Nick Laning | IBEW Iowa State Conference | Undecided | GA90 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA90 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| John Davis | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA90 |
| James Kersten | Iowa Central Community College | Undecided | GA90 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Undecided | GA90 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA90 |
| Casey Nickel | Iowa Society of Certified Public Accountants | Undecided | GA90 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA90 |
| Ed Failor | Iowa State Treasurer's Office | Undecided | GA90 |
| Christopher Rants | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA90 |
| Justin Hupfer | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA90 |
| Christopher Rants | NECA - Iowa (NEC) | Undecided | GA90 |
| John Cacciatore | NECA - Iowa (NEC) | Undecided | GA90 |
| Justin Hupfer | NECA - Iowa (NEC) | Undecided | GA90 |
| Dane Schumann | North Central States Regional Council of Carpenters | Undecided | GA90 |
| Eric Goranson | Plumbing Heating & Cooling Contractors of IA | Supporting | GA90 |
| Nathaniel Arnold | Professional Educators of Iowa | Undecided | GA90 |