Organizational Charts

State Department

http://www.state.gov/r/pa/ei/rls/dos/7926.htm

Defense

Overview of DOD

http://www.defenselink.mil/odam/omp/pubs/GuideBook/Pdf/DoD.PDF

Office of the Secretary of Defense (OSD)

http://www.defenselink.mil/odam/omp/pubs/GuideBook/Pdf/Osd.PDF

Agencies location in OSD authority lines

http://www.defenselink.mil/odam/omp/pubs/GuideBook/Pdf/DefAg.PDF

Unified Combat Commands

http://www.defenselink.mil/odam/omp/pubs/GuideBook/Pdf/Cmds.PDF

Department of Homeland Security

http://www.dhs.gov/dhspublic/interweb/assetlibrary/DHS_Org_Chart.ppt (Power Point File)

Treasury

http://www.treasury.gov/organization/org-chart-2004.pdf

Commerce

http://www.commerce.gov/DOCOrg_Chart2004.pdf

For links to other departments and agencies, go here:  http://www.loc.gov/global/executive/fed.html