Post 200 The guide to the region's top businesses

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Nonprofits

American Institutes for Research

American Institutes for Research is one of the world’s largest organizations representing people in the social science research fields. The organization beefed up its research arm this year, adding the nationally recognized National Center for Analysis of Longitudinal Data in Education Research. CALDER, which previously was housed at the Urban Institute, studies how economic and social conditions and educator and governance policies affect student outcomes.

1000 Thomas Jefferson St. NW

Washington D.C., 20007

202-403-5000

http://www.air.org/

Founded: 1946

CEO: David Myers

Revenue: $245,700

Money spent on programs: $245,707,412

Employees (local): 1,600 (765)

Browse: Most local employees 2011

Browse: Sectors 2011

NOTE: Our methodology for the rankings.