US Census Bureau http://www.census.gov/
Automated Export System (AES) http://www.aesdirect.gov/
CAGE Code Search https://www.bpn.gov/bincs/begin_search.asp
Federal CCR Central Contractor Registration https://www.bpn.gov/ccr/
US Treasury http://www.ustreas.gov/
US Directorate of Defense http://pmddtc.state.gov/
EXIM Bank of USA http://www.exim.gov/
US International Trade Commission  http://www.usitc.gov/
US Bureau of Industry and Security http://www.bis.doc.gov/
US Department of Defense http://www.defense.gov/
US Army http://www.army.mil/
US Navy http://www.navy.mil
US Air Force http://www.af.mil/
World Bank http://www.worldbank.org/
NATO http://www.nato.int