| Brad Epperly | AIG-American International Companies | Undecided | GA87 |
| Dustin Miller | AIG-American International Companies | Undecided | GA87 |
| Katie Graham | AIG-American International Companies | Withdrawn | GA87 |
| Katie Graham | AIG-American International Companies | Undecided | GA87 |
| Paula Dierenfeld | AIG-American International Companies | Undecided | GA87 |
| Brad Epperly | American Insurance Association | Undecided | GA87 |
| Dustin Miller | American Insurance Association | Undecided | GA87 |
| Katie Graham | American Insurance Association | Undecided | GA87 |
| Paula Dierenfeld | American Insurance Association | Undecided | GA87 |
| Mike Rozenboom | Annett Holdings | Undecided | GA87 |
| Mike Rozenboom | Annett Holdings | Supporting | GA87 |
| Robert Weiser | Annett Holdings | Undecided | GA87 |
| Robert Weiser | Annett Holdings | Supporting | GA87 |
| Mike Rozenboom | CRST International | Undecided | GA87 |
| Mike Rozenboom | CRST International | Supporting | GA87 |
| Robert Weiser | CRST International | Undecided | GA87 |
| Robert Weiser | CRST International | Supporting | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| David Palmer | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Laurie Wolf | Iowa Association of Community College Trustees (IACCT) | Undecided | GA87 |
| Brad Epperly | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Dustin Miller | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Katie Graham | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Paula Dierenfeld | Iowa Association of Electric Cooperatives | Undecided | GA87 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA87 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA87 |
| Katie Graham | Iowa Grocery Industry Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| David Scott | Iowa Motor Truck Association | Supporting | GA87 |
| Kellie Paschke | Iowa Peace Officers Association | Undecided | GA87 |
| Troy Skinner | Iowa Peace Officers Association | Undecided | GA87 |
| Amy Campbell | Iowa Public Transit Association (IPT) | Undecided | GA87 |
| Craig Patterson | Iowa Public Transit Association (IPT) | Undecided | GA87 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA87 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA87 |
| Craig Walter | NECA - Iowa (NEC) | Undecided | GA87 |
| Donna Orton | North Iowa Area Community College | Undecided | GA87 |
| Steve Warnstadt | Western Iowa Tech Community College | Undecided | GA87 |