1 Exhibit 21 SUBSIDIARIES OF PRISON REALTY CORPORATION First-Tier: Diboll Correctional Center, Inc., a Kentucky corporation Gadsden Correctional Institution, Inc., a Kentucky corporation Lee Adjustment Center, Inc. a Kentucky corporation Marion Adjustment Center, Inc., a Kentucky corporation Otter Creek Correctional Center, Inc., a Kentucky corporation River City Correctional Center, Inc., a Kentucky corporation USCC Avery/Mitchell Management Company, Inc., a North Carolina corporation USCC Pamlico Management Company, Inc., a North Carolina corporation U.S. Corrections Corporation, a Kentucky corporation Correctional Services Group, Inc., a Missouri corporation Corrections Partners, Inc., a Delaware corporation Concept Incorporated, a Delaware corporation TransCor America, Inc., a Tennessee corporation Agecroft Property, Inc., a Tennessee corporation Prison Realty Management, Inc., a Tennessee corporation Second-Tier: USCC, Inc., a Kentucky corporation Prison Holdings, Inc., a Delaware corporation CCA Capital, Inc., a Delaware corporation Third-Tier: Queensgate Correctional Center, Inc., a Kentucky corporation U.S. Corrections Leasing (NC) Avery/Mitchell Facility, Inc., a North Carolina corporation U.S. Corrections Leasing (NC) Pamlico Facility, Inc., a North Carolina corporation