The Office of the Chief Security Officer (OSCO) is responsible for the maintenance, care and operation of the buildings, grounds and security enhancements of the U.S. Capitol Police (USCP) and other facilities.

It provides centralized security and resilience operations for the Capitol campus, manages the Architect of the Capitol's (AOC) internal security programs and perimeter security, coordinates interagency emergency preparedness and supports the USCP in protecting, policing and providing security for the congressional community and its visitors.

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A talented employee of an Architect of the Capitol sheet metal shop.


Skillful Craftmanship

We serve in diverse roles applying both modern techniques and historical tradecrafts in the care and preservation of the Capitol campus.

Areas of Expertise