Government shutdown:
What's closed, what's open?

With the federal government on the verge of a crippling shutdown, many government services and agencies would be closed, suspended or otherwise impacted. Below is a list of offices and agencies that would be affected until congressional leaders and the president reach an agreement on the 2011 budget. You can also sort each column or search for specific information, such as "IRS" or "defense."

Sources: CNN, White House, Congress, Various federal agencies