Well there's this list of companies "supporting" SOPA, but I suspect the biggest donors were the Hollywood studios and the music labels: http://www.webpronews.

Well there's this list of companies "supporting" SOPA, but I suspect the biggest donors were the Hollywood studios and the music labels: http://www.webpronews.com/a-list-of-sopa-supporting-companies-2011-12 http://www.webpronews.com/a-list-of-sopa-supporting-companie...