The Thomas P. "Tip" O'Neill Federal Building is an administrative center of the U.S. federal government

Federal government of the United States

The federal government of the United States is the national government of the constitutional republic of fifty states that is the United States of America. The federal government comprises three distinct branches of government: a legislative, an executive and a judiciary. These branches and...

 in Boston, Massachusetts. Named for former Massachusetts congressman and House of Representatives Speaker Tip O'Neill

Tip O'Neill

Thomas Phillip "Tip" O'Neill, Jr. was an American politician. O'Neill was an outspoken liberal Democrat and influential member of the U.S. Congress, serving in the House of Representatives for 34 years and representing two congressional districts in Massachusetts...

, the building houses the New England regional offices of numerous federal agencies, e.g. the Social Security Administration

Social Security Administration

The United States Social Security Administration is an independent agency of the United States federal government that administers Social Security, a social insurance program consisting of retirement, disability, and survivors' benefits...

, the Peace Corps

Peace Corps

The Peace Corps is an American volunteer program run by the United States Government, as well as a government agency of the same name. The mission of the Peace Corps includes three goals: providing technical assistance, helping people outside the United States to understand US culture, and helping...

, Boston Passport Agency, etc. It is located at 10 Causeway Street.

Tenants

• Corporation for National Service
• Department of Agriculture; APHIS/PPQ; Food & Nutrition Service
• Department of Commerce; Export Enforcement
• Department of Homeland Security; Office of the Inspector General; Secret Service; Immigration & Customs Enforcement
  U.S. Immigration and Customs Enforcement
  U.S. Immigration and Customs Enforcement is a federal law enforcement agency under the United States Department of Homeland Security , responsible for identifying, investigating, and dismantling vulnerabilities regarding the nation's border, economic, transportation, and infrastructure security...
  
  ; Customs & Border Protection
  U.S. Customs and Border Protection
  U.S. Customs and Border Protection is a federal law enforcement agency of the United States Department of Homeland Security charged with regulating and facilitating international trade, collecting import duties, and enforcing U.S. regulations, including trade, customs and immigration. CBP is the...
  
  
• Department of Housing & Urban Development
• Department of Justice; Bureau of Alcohol, Tobacco, Firearms & Explosives
• Department of Labor; Office of Administrative Law Judges
• Department of State; Boston Passport Agency; Diplomatic Security Division
• Department of the Treasury; Internal Revenue Service
• Federal Labor Relations Authority
• General Services Administration
• Government Accountability Office
• Hanscom Federal Credit Union
• National Labor Relations Board
• Peace Corps
• Small Business Administration
• Social Security Administration
• Treasury Inspector General for Tax Administration