These firms recently filed with the U.S. Bankruptcy Court's local clerk of court offices.

Under Chapter 11 of the federal bankruptcy code, a company is protected from claims by creditors while it attempts to reorganize its finances under a plan approved by the court.

In a Chapter 7 liquidation, a court trustee sells assets to pay creditors' claims. The company then ceases operations.

Eastern Virginia District

Alexandria Division

Partnership Umbrella Corp. of 102 S. Alfred St., Alexandria, filed for Chapter 7 liquidation Thursday. The company listed assets as $100,000 to $500,000 and liabilities as $1 million to $10 million.

Maryland District

Greenbelt Court

National Endowment Foundation of 18721 Mallory Pl., Gaithersburg, filed for Chapter 7 liquidation Tuesday. The company did not list assets, and listed liabilities as $100,000 to $500,000.

District Court

S & S Bus Service of 3201 Eighth St. NE filed for Chapter 7 liquidation Tuesday. The company listed assets as $500,000 to $1 million and liabilities as $500,000 to $1 million.

Fort Washington Nursing Home Inc. of 12021 Livingston Rd., Fort Washington, filed for Chapter 11 reorganization Thursday. The company listed assets as $1 million to $10 million and liabilities as $50 million to $100 million.