There used to be fewer branches of government...

I need to update my compendium of the branches of government:

Presidency/Executive
Federal Courts
Federal Reserve
Fannie Mae
Freddie Mac
Independent Payer Advisory Board (new! with broad powers)
National Labor Relations Board
Environmental Protection Agency
National Science Board
Trial Lawyer's Association

Now that we've covered most of the legislative branches, let's not forget the spending branch:
Congress