The Top 10 Dark Money Donors — That We Know Of, Sort Of | Talking Points Memo

Updated: June 5, 2013, 5:20 PM

Thanks to the folks at the Center for Responsive Politics, who have spent the past year and a half putting together the largest publicly available set of IRS data on politically active non-profits, the world of dark money got just slightly less opaque on Tuesday.The Center’s employees manually inputted thousands of records from tax documents, including annual reports (called 990s) and applications for tax-exempt status (called 1024s), submitted to the IRS by 501(c)4 “social welfare” groups, 501(c)5 union groups, and 501(c)6 trade associations. The compiled information is now live on the Center’s website,

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