| Alex Drzycimski | AFSCME Iowa Council 61 | Opposing | GA87 |
| Morgan Miller | AFSCME Iowa Council 61 | Opposing | GA87 |
| Angela Davis | Alamo Rent A Car | Undecided | GA87 |
| Bill Wimmer | Alamo Rent A Car | Undecided | GA87 |
| Drew Kamp | Ames Chamber of Commerce | Undecided | GA87 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA87 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Opposing | GA87 |
| Matt Eide | City of Cedar Falls | Undecided | GA87 |
| Gary Grant | City of Cedar Rapids | Undecided | GA87 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA87 |
| Meghan Malloy | City of Cedar Rapids | Undecided | GA87 |
| Doug Struyk | City of Des Moines | Undecided | GA87 |
| Jen Schulte | City of Des Moines | Undecided | GA87 |
| Jim Carney | City of Des Moines | Undecided | GA87 |
| Shannon Henson | City of Des Moines | Undecided | GA87 |
| Angela Davis | Enterprise Rent-A-Car | Undecided | GA87 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA87 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA87 |
| Dustin Miller | Greater Des Moines Partnership | Undecided | GA87 |
| Joe Murphy | Greater Des Moines Partnership | Undecided | GA87 |
| Paige Thorson | Greater Des Moines Partnership | Undecided | GA87 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA87 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA87 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA87 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Opposing | GA87 |
| Brice Oakley | Iowa Association of Councils of Governments (IARC) | Undecided | GA87 |
| Don Avenson | Iowa Association of Councils of Governments (IARC) | Undecided | GA87 |
| Tom Cope | Iowa Association of Councils of Governments (IARC) | Undecided | GA87 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA87 |
| Dustin Miller | Iowa Automobile Dealers Association | Undecided | GA87 |
| Paige Thorson | Iowa Automobile Dealers Association | Undecided | GA87 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA87 |
| Angela Davis | Iowa Beverage Association | Undecided | GA87 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA87 |
| Kellie Paschke | Iowa Cattlemen's Association | Undecided | GA87 |
| Troy Skinner | Iowa Cattlemen's Association | Undecided | GA87 |
| Brad Epperly | Iowa Chamber Alliance | Undecided | GA87 |
| Dustin Miller | Iowa Chamber Alliance | Undecided | GA87 |
| John Stineman | Iowa Chamber Alliance | Undecided | GA87 |
| Paige Thorson | Iowa Chamber Alliance | Undecided | GA87 |
| Paula Dierenfeld | Iowa Chamber Alliance | Undecided | GA87 |
| Lyle Brehm | Iowa County Engineers Association | Withdrawn | GA87 |
| Lyle Brehm | Iowa County Engineers Association | Supporting | GA87 |
| Lyle Brehm | Iowa County Engineers Association | Undecided | GA87 |
| Mikel Derby | Iowa Dept. of Transportation | Undecided | GA87 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA87 |
| Alan Kemp | Iowa League of Cities | Supporting | GA87 |
| Lindsey McCune | Iowa League of Cities | Supporting | GA87 |
| Robert Palmer | Iowa League of Cities | Supporting | GA87 |
| Angela Davis | Iowa Lumber Association | Undecided | GA87 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA87 |
| David Scott | Iowa Motor Truck Association | Undecided | GA87 |
| Amy Campbell | Iowa Public Transit Association (IPT) | Undecided | GA87 |
| Craig Patterson | Iowa Public Transit Association (IPT) | Undecided | GA87 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA87 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA87 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA87 |
| William Peterson | Iowa State Association of Counties | Supporting | GA87 |
| William Heckroth | Iowa State Association of County Supervisors | Supporting | GA87 |
| tom fey | Iowa State Building and Construction Trades Council | Opposing | GA87 |
| Erich Schmidt | Laborers International Union of North America | Opposing | 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 |
| Mona Bond | Manatts Inc. | Undecided | GA87 |
| David Adelman | Metropolitan Coalition | Supporting | GA87 |
| David Adelman | Metropolitan Coalition | Undecided | GA87 |
| Frank Chiodo | Metropolitan Coalition | Supporting | GA87 |
| Frank Chiodo | Metropolitan Coalition | Undecided | GA87 |
| Matt Hinch | Metropolitan Coalition | Supporting | GA87 |
| Matt Hinch | Metropolitan Coalition | Undecided | GA87 |
| Sara Allen | Metropolitan Coalition | Supporting | GA87 |
| Sara Allen | Metropolitan Coalition | Undecided | GA87 |
| Angela Davis | National Rent A Car | Undecided | GA87 |
| Bill Wimmer | National Rent A Car | Undecided | GA87 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Opposing | GA87 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA87 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Undecided | GA87 |
| Craig Patterson | Travel Federation of Iowa | Undecided | GA87 |
| Karl Schilling | United Professionals/UE | Withdrawn | GA87 |
| Karl Schilling | United Professionals/UE | Opposing | GA87 |
| Gary Grant | Urban County Coalition | Undecided | GA87 |
| Larry Murphy | Urban County Coalition | Undecided | GA87 |
| Meghan Malloy | Urban County Coalition | Undecided | GA87 |