The GEO Group Inc. is a real estate investment trust specializing in detention facilities and community-reentry centers. It operates in four segments: U.S. Secure Services, which primarily encompasses U.S.-based secure services business; Electronic Monitoring and Supervision Services, which conducts its services in the United States, represents services provided to adults for monitoring services and evidence-based supervision and treatment programs for community-based parolees, probationers, and pretrial defendants; Reentry Services conducts its services in the United States represents services provided to adults for residential and non-residential treatment, educational and community-based programs, pre-release and half-way house programs; and International Services.