Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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Thomas Jefferson Building
The Library of Congress began in 1800 with a small appropriation to buy...

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Capitol Visitor Center
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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AOC Receives Historic Preservation Award
The Architect of the Capitol strives to perform all work at a high level of...

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Cenotaphs at the Congressional Cemetery. Photo courtesy Library of Congress.
This Halloween, Kristen Frederick, congressional liaison for the Architect of...

Trades and Areas of Practice

  • Masonry
    The Architect of the Capitol (AOC) is responsible for the preservation and...
     
  • Gardeners
    AOC gardeners care for the grounds of the Capitol Building, the Congressional...
     
  • Maintenance Mechanics
    The Architect of the Capitol’s maintenance mechanics work around the clock to...
     
  • Electrical
    Across Capitol Hill AOC Electricians are responsible for thousands of miles of...
     

Employees in various trades such as electricians, plumbers, masons, and carpenters maintain the facilities and infrastructure in optimal condition. Gardeners and landscapre professionals create colorful displays and care for hundreds of acres of lawns and plantings. All of these efforts are directed at making the work of the Congress, the Supreme Court, and Library of Congress – and the experience of the millions of visitors annually – as smooth, efficient and enjoyable as possible.

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