Comcast helped --or took the lead in-- crafting the "historic agreement" among National Cable and Telecommunications Association (NCTA), the National Center for Missing and Exploited Children (NCMEC), and the National Association of Attorneys General (NAAG).
The NCMEC is a quasi-government agency established by Congress in 1984. It receives the bulk of its funds from the federal government. The NCMEC authorized federal funding was just increased by Public Law 110-240 (signed 3 June 2008) to $40 million.