1 Exhibit 21.1 INTERSTATE HOTELS COMPANY LIST OF SUBSIDIARIES Cambridge Hotel Associates Casa Marina Realty Corporation Casa Marina Realty Partnership, L.P. CHR Consulting Company, L.L.C. CHR Services Company, L.L.C. Colony de Mexico, S.A. de C.V. Colony Hotels and Resorts Company Colony International Management Company, L.L.C. Continental Design & Supplies Company, L.L.C. Crossroads Development Company Crossroads Future Company, L.L.C. Crossroads Future Corporation Crossroads Hospitality Company, L.L.C. Crossroads Hospitality Tenant Company, L.L.C. Crossroads/Memphis Company, L.L.C. Crossroads/Memphis Partnership, L.P. Crossroads/Memphis Financing Company, L.L.C. Crossroads/Memphis Financing Corporation DFW/H&R, Inc. Don CeSar Resort Hotel, Ltd. Equity Bluefield, Inc. Family Suites Corporation Family Suites Limited Partnership Family Suites Management Corporation Family Suites Management Partnership, L.P. FS Development Corporation Hilltop Equipment Leasing Company, L.P. HMC/Interstate Manhattan Beach, L.P. HMC/Interstate Ontario, L.P. HMC/Interstate Waterford, L.P. HMG Beverage, Inc. Host/Interstate Partnership, L.P. Huntington Hotel Partners, L.P. IHC/Atlanta Corporation IHC/Blacksburg Corporation IHC/Blacksburg Partnership, L.P. IHC/Brentwood Corporation IHC/Brentwood Partnership, L.P. IHC/Burlington Corporation IHC Capital Corporation IHC/CG Portfolio Corporation IHC/Chaz Corporation 2 IHC/Colorado Springs Corporation IHC/Conshohocken Corporation IHC/Denver Corporation IHC/FS Development Corporation IHC/Houston Corporation IHC/Huntington Corporation IHC/Interstone Corporation IHC/Interstone Partnership, L.P. IHC/Interstone Partnership II, L.P. IHC/Jacksonville Corporation IHC/Jamaica Corporation IHC/Lisle Corporation IHC/Maryville Hotel Corporation IHC Member Corporation IHC/Miami Beach Corporation IHC Miami Mortgage Corporation IHC/Moscow Corporation IHC/Park West Corporation IHC/Pittsburgh Partnership, L.P. IHC/Reach Corporation IHC/Roanoke Corporation IHC/Roanoke Partnership, L.P. IHC/Santa Maria Corporation IHC Services Company, L.L.C. IHC/Texas Corporation IHC Title Agency Corporation IHC/Westborough Corporation IHC/Westborough Partnership, L.P. IHC/Williamsburg Corporation IHP Holdings Partnership, L.P. IHP Investment Company, L.L.C. IHP/Class B Partnership, L.P. Intercarp Limited Partnership Interstate Hotels Corporation Interstate/Montour Associates, Ltd. Interstone Partners I L.P. Interstone Three Partners I L.P. Interstone Three Partners II L.P. Interstone Three Partners IV L.P. Interstone Three Partners III L.P. Interstone/Atlanta Partnership, L.P. Interstone/Conshohocken Partnership, L.P. Interstone/CGL Partners, L.P. Interstone/Colorado Springs Partnership, L.P. Interstone/Denver Partnership, L.P. 3 Interstone/Huntington Partnership, L.P. Interstone/Houston Partnership, L.P. Interstone/Lisle Partnership, L.P. Interstone/Williamsburg Partnership, L.P. Maryville Centre CBM Joint Venture Maryville Centre Hotel Joint Venture Northridge Insurance Company Oak Hill Catering Company, Inc. Orange Hotel Development Limited Partnership Park West Hotel Associates PW Land Associates Limited Partnership Santa Maria Joint Venture Syracuse Associates Corporation Syracuse Realty Associates, L.P. The Key West Reach Limited Partnership Water Street Hotel Ltd.