Economy

Companies headquartered in Alexandria include the Institute for Defense Analyses, VSE, and the Pentagon Federal Credit Union.
Alexandria is home to numerous trade associations, charities, and non-profit organizations including the national headquarters of groups such as the American Diabetes Association, BoatUS, Catholic Charities, Citizens for the Republic, Global Impact, Good360, Islamic Relief USA, United Way, Volunteers of America and the Salvation Army. Other organizations located in Alexandria include American Coalition for Clean Coal Electricity, the American Counseling Association, the Society for Human Resource Management, the National Society of Professional Engineers, the National Beer Wholesalers Association, and the International Centre for Missing & Exploited Children (ICMEC).

Largest employers

According to the City's 2016 Comprehensive Annual Financial Report,^[32] the top public employers in the city, whose employees make up an estimated 15.27% of the total city employment, are:

#	Employer	# of employees
1	United States Department of Commerce	1,000 & over
2	United States Department of Defense	1,000 & over
3	Alexandria City Public Schools	1,000 & over
4	City of Alexandria	1,000 & over
5	Washington Metropolitan Area Transit Authority	500–999
6	Northern Virginia Community College	500–999
7	United States Department of Agriculture	500–999
8	United States Department of Homeland Security	250–499

The top private employers in the city, whose employees make up an estimated 7.67% of the total city employment, are:

#	Employer	# of employees
1	Inova Health System	1,000 & over
2	Institute for Defense Analyses	500–999
3	Grant Thornton LLP	500–999
4	The Home Depot	500–999
5	CNA Corporation (left Alexandria in 2014)	250–499
6	Oblon	250–499
7	Roman Catholic Diocese of Arlington	250–499
8	Giant Food[disambiguation needed]	250–499

Tourism