HS 1.1: Department of Homeland Security (2003- )
HS 2.2: Office of Infrastructure Protection (2003- )
HS 3.2: Directorate for Science and Technology (2003- )
HS 4.1: Border and Transportation Security (2003-2005)
HS 4.101: U.S. Customs and Border Protection (2003- )
HS 4.202: U.S. Immigration and Customs Enforcement (2003- )
HS 4.302: Transportation Security Administration (2003- )
HS 5.2: Emergency Preparedness and Response (2003-2005)
HS 5.102: Federal Emergency Management Agency (2003- )
HS 5.202: U.S. Fire Administration (2003- )
HS 5.302: Office for Domestic Preparedness (2003-2007)
HS 7.1: U.S. Coast Guard (2003- )
HS 8.1: U.S. Citizenship and Immigration Services (2003- )
HS 9.1: U.S. Secret Service (2003- )
