Top 10 super PAC donors of 2013

Rank Donor Name Donor Type Total
1 Democratic Governors Association Political organization $3.58 million
2 Bob Perry Individual $3.1 million
3 Michael Bloomberg Individual $2.25 million
4 United Brotherhood of Carpenters and Joiners of America Labor union $1.9 million
5 AFL-CIO Labor union $1.8 million
6 Thomas F. Steyer Individual $1.75 million
7 Thomas John Jordan Individual $1.7 million
8 American Federation of State, County and Municipal Employees Labor union $1.5 million
9 Contran Corp. Company $1 million
9 Jonathan Soros Individual $1 million

Source: Center for Public Integrity analysis of Federal Election Commission filings covering the first six months of 2013.