| Republican Governors Association |
$5,000,000 |
Scott Walker |
| Americans for Prosperity |
$3,700,000 |
Scott Walker |
| Wisconsin Manufacturers & Commerce Issues Mobilization Council |
$2,654,450 |
Scott Walker |
| ABC Supply Company, Inc. |
$1,554,355 |
Scott Walker |
| Uline, Inc. |
$1,005,400 |
Scott Walker |
| Senate Conservatives Fund |
$592,475 |
Jeff Flake, Ted Cruz |
| Robert Mercer |
$558,400 |
Jeff Flake, Lindsey Graham, Steve King, Paul Ryan, Rob Portman, Cory Gardner, Kelly Ayotte, Marco Rubio, Joni Ernst |
| Ted Cruz |
$545,000 |
Ted Cruz |
| Club for Growth PAC |
$525,033 |
Ron Johnson, Nikki Haley |
| Wisconsin Realtors Association |
$243,069 |
Scott Walker |
| Paul Singer |
$174,154 |
Richard Burr, Jeff Flake, Lindsey Graham, Orrin Hatch, Dean Heller, Johnny Isakson, John McCain, Pat Roberts, Paul Ryan, John Thune, Rob Portman, Cory Gardner, Scott Walker, Kelly Ayotte, Ron Johnson, Marco Rubio, Joni Ernst |
| Bonnie Loeb |
$155,885 |
Richard Burr, Lindsey Graham, Orrin Hatch, Dean Heller, Johnny Isakson, John McCain, Pat Roberts, Paul Ryan, John Thune, Rob Portman, Cory Gardner, Kelly Ayotte, Ron Johnson, Marco Rubio, Joni Ernst |
| David G Herro |
$154,700 |
Jeff Flake, Lindsey Graham, Dean Heller, John McCain, Paul Ryan, John Thune, Rob Portman, Cory Gardner, Kelly Ayotte, Ron Johnson, Marco Rubio, Joni Ernst |
| Craig J Duchossois |
$153,200 |
Richard Burr, Lindsey Graham, John McCain, Pat Roberts, Paul Ryan, John Thune, Rob Portman, John Kasich, Cory Gardner, Kelly Ayotte, Ron Johnson, Marco Rubio, Joni Ernst |
| Rex Sinquefield |
$152,600 |
Jeff Flake, Lindsey Graham, Steve King, John McCain, Pat Roberts, Paul Ryan, Scott Walker, Kelly Ayotte, Marco Rubio, Ted Cruz, Joni Ernst |
| Harlan Crow |
$152,400 |
Richard Burr, Jeff Flake, Orrin Hatch, Dean Heller, Johnny Isakson, Steve King, John McCain, Paul Ryan, John Thune, Rob Portman, Cory Gardner, Kelly Ayotte, Ron Johnson, Marco Rubio, Ted Cruz, Joni Ernst |
| Bernie Marcus |
$151,600 |
Richard Burr, Jeff Flake, Orrin Hatch, Dean Heller, Johnny Isakson, John McCain, Pat Roberts, Paul Ryan, John Thune, Rob Portman, Cory Gardner, Scott Walker, Kelly Ayotte, Ron Johnson, Marco Rubio, Joni Ernst |
| Koch Industries, Inc. |
$143,300 |
Scott Walker, Ron Johnson |
| Ken Kendrick |
$142,200 |
Richard Burr, Jeff Flake, Trent Franks, Lindsey Graham, John McCain, John Thune, Rob Portman, Cory Gardner, Kelly Ayotte, Ron Johnson, Marco Rubio, Ted Cruz, Joni Ernst |
| Michael J Leffell |
$138,500 |
Richard Burr, Jeff Flake, Lindsey Graham, Orrin Hatch, Dean Heller, Johnny Isakson, John McCain, Pat Roberts, Paul Ryan, Rob Portman, Cory Gardner, Kelly Ayotte, Ron Johnson, Marco Rubio, Ted Cruz, Joni Ernst |