Who contributes the most to Political Parties?

Did you Know that?
Top 5 Contributors to Political Parties (1989-2009)

1. AT&T Inc.    $44,214,960
2. American Federation of State County & Municipal Employees  $41,941,811
3. National Association of Realtors  $35,595,518
4. Goldman Sachs   $31,437,825
5. American Association for Justice $31,424,029