The U.S. Marshals Service (USMS) Office of Procurement has a requirement to guard services. The Court Security Officer Program is managed by the Judicial Security Branch within the United States Marshals Service (USMS). The Office of Court Security (OCS) is responsible for managing and developing an effective nationwide physical security program for federal judiciary court facilities. OCS oversees security services performed by more than 5,700 contracted Court Security Officers (CSO), filling over 4,500 authorized full-time and shared positions within all United States Circuits and districts. CSOs safeguard approximately 430 court facilities throughout the nation.