Exhibit 21 SUBSIDIARIES OF THE REGISTRANT REGISTRANT: MEDITRUST CORPORATION AS OF DECEMBER 31, 1999 State of Name Incorporation - ---- ------------- Meditrust of California, Inc. Delaware San Joaquin Healthcare Associates, L.P. Delaware Meditrust Finance Corporation Delaware Meditrust Financial Services Corporation Delaware Meditrust of Bedford, Inc. Delaware Meditrust of Kansas, Inc. Kansas Meditrust Mortgage Investments, Inc. Delaware Meditrust of the UK, Inc. Delaware MT General LLC Delaware MT Limited I LLC Delaware T and F Properties, LP Delaware MT-BR Limited Partnership Delaware Atrium Properties, LP Delaware Paramount Management Services, Inc. Delaware Paramount Real Estate Services, Inc. Delaware TeleMatrix, Inc. Florida New Meditrust Company LLC Delaware Meditrust Acquisition Company LLC Delaware Meditrust of Massachusetts Massachusetts Meditrust Healthcare Corporation Delaware Meditrust Management Company Massachusetts Exhibit 21 SUBSIDIARIES OF THE REGISTRANT REGISTRANT: MEDITRUST CORPORATION (Continued) AS OF DECEMBER 31, 1999 State of Name Incorporation - ---- ------------- La Quinta Financial Corp. Texas La Quinta Realty Corp. Texas La Quinta Plaza, Inc. Texas La Quinta Inns de Mexico S.A. de C.V. Mexico La Quinta Investments, Inc. Delaware LQ Investments I Texas LQ Investments II Texas LQ - LNL, L.P. Texas LQ - East Irvine, J.V. California LQ Baton Rouge, L.P. Texas LQ Motor Inn Venture Austin No. 530 Texas La Quinta San Antonio South J.V. Texas La Quinta Denver Peoria Street Ltd. Texas LQ - Big Apple Joint Venture Texas LQI Acquisition Corporation Delaware La Quinta Motor Inns, L.P. Delaware La Quinta Development Partners, L.P. Delaware LQM Operating Partners, L.P. Delaware La Quinta Inns of Lubbock, Inc. Texas La Quinta Inns of Puerto Rico, Inc. Delaware Meditrust Hotel Group, Inc. Delaware La Quinta - Wichita Kansas No. 532 Ltd. Texas LQ West Bank Joint Venture - 1982 Texas Exhibit 21 SUBSIDIARIES OF THE REGISTRANT REGISTRANT: MEDITRUST OPERATING COMPANY SUBSIDIARY CORPORATIONS AS OF DECEMBER 31, 1999 State of Name Incorporation - ---- ------------- The La Quinta Company Delaware La Quinta Inns, Inc. Delaware MOC Holding Company Delaware TeleMatrix Equipment, LLC Florida