Mitt Romney U.S. senator from Utah, former Massachusetts governor

Republican National Committee U.S. political committee that leads the Republican Party of the U.S., a/k/a The Grand Ol' Party/GOP

National Republican Senatorial Committee Campaign committee for Republican U.S. Senate candidates

John McCain US Senator and Representative from Arizona

EMC Corporation Political Action Committe

Ed Markey US Senator from Massachussets (2013-present); former US Rep from Massachusetts (1977-2013)

Scott Brown Victory Cmte

Democratic Senatorial Campaign Committee Political Fundraising Committee for Democratic Senatorial Candidates

National Republican Congressional Committee

Scott P Brown US ambassador to New Zealand, former Republican US Senator from Massachusetts

Federal Election Campaign Contributions