GM's filing for Chapter 11 protection is the fourth-largest in US history and the largest for an industrial company. Here are the top 10 US bankruptcy filings, based on the companies' most recent annual report before filing for bankruptcy protection, according to BankruptcyData.com.

Company Bankruptcy Date Assets

Lehman Brothers Holdings Sept. 15 2008 $691.06 billion

Washington Mutual Sept. 26 2008 $327.91 billion

WorldCom July 21 2002 $103.91 billion

General Motors Corp. June 1 2009 $91.05 billion-x

Enron Corp. Dec. 2 2001 $65.50 billion

Conseco Dec. 17 2002 $61.39 billion

Chrysler April 30 2009 $39.30 billion

Thornburg Mortgage May 1 2009 $36.52 billion

Pacific Gas and Electric Co. April 6 2001 $36.15 billion

Texaco April 12 1987 $34.94 billion

x-GM listed $91.05 billion in assets in its annual report as of December 31, 2008, but listed $82.29 billion in assets as of March 31 2009 in its bankruptcy petition.