1 EXHIBIT 21 Subsidiaries of the Registrant 1. ARC Greenwood Village, Inc., a Tennessee corporation. 2. ARC Rossmoor, Inc., a Tennessee corporation. 3. Plaza Professional Pharmacy, Inc., a Virginia corporation. 4. Assisted Care of the Villages, a Florida general partnership. 5. Maryarc LLC, a Tennessee limited liability company. 6. ARC Bahia Oaks, Inc., a Tennessee corporation. 7. ARC Wilora Lake, Inc., a Tennessee corporation. 8. ARC Tarpon Springs, Inc., a Tennessee corporation. 9. ARC Imperial Plaza, Inc., a Tennessee corporation. 10. ARC Imperial Services, Inc., a Tennessee corporation. 11. ARC Sun City Center Inc., a Tennessee corporation. 12. Lebarc, L.P., a Tennessee limited partnership. 13. Fort Austin Limited Partnership, a Texas limited partnership. 14. ARC Fort Austin Properties, Inc., a Tennessee corporation. 15. ARCLP - Charlotte, LLC, a Tennessee limited liability company. 16. ARC Management Corporation, a Tennessee corporation. 17. ARC Corpus Christi, Inc., a Tennessee corporation. 18. Trinity Towers Limited Partnership, a Tennessee limited partnership.