EXHIBIT 21

INTERSTATE HOTELS & RESORTS, INC.
Subsidiaries
Updated as of: March 31, 2009
Consolidated Subsidiaries

Subsidiary	Jurisdiction	Ownership
Crossroads Hospitality Management Company, LLC	Delaware	100% Interstate Hotels & Resorts, Inc.
Interstate Arlington, LP	Delaware	99% Interstate Arlington LP, LLC
		1% Interstate Arlington GP, LLC
Interstate Atlanta Airport, LLC	Delaware	100% Interstate Operating Company, LP
Interstate Baton Rouge, LLC	Delaware	100% Interstate Operating Company, LP
Interstate Columbia, LLC	Delaware	100% Interstate Operating Company, LP
Interstate Concord Holdings, LLC	Delaware	100% Interstate Concord, LLC
Interstate Durham, LLC	Delaware	100% Interstate Operating Company, LP
Interstate Hotels Company	Delaware	100% Interstate Hotels & Resorts, Inc.
Interstate Management Company, LLC	Delaware	99% Interstate Operating Company, LP
		1% Interstate Hotels & Resorts, Inc.
Interstate Management Services, Inc.	Delaware	100% Interstate Hotels & Resorts, Inc.
Interstate Member, Inc.	Delaware	100% Interstate Hotels & Resorts, Inc.
Interstate Operating Company, LP	Delaware	98% Interstate Hotels & Resorts, Inc. (LP)
		1% Interstate Hotels & Resorts, Inc. (GP)
		<1% Other Limited Partners
Interstate Partner Corporation	Delaware	100% Interstate Hotels & Resorts, Inc.
Interstate Property Corporation	Delaware	100% Interstate Hotels & Resorts, Inc.
Interstate Westchase, LP	Delaware	99% Interstate Westchase LP, LLC
		1% Interstate Westchase GP, LLC
Northridge Holdings, Inc.	Delaware	100% Interstate Hotels & Resorts, Inc.
Sunstone Hotel Properties, Inc.	Colorado	100% Interstate Hotels & Resorts, Inc.