Mathematica

For over 35 years, Mathematica Policy Research has conducted objective research to support decisions on pressing social policy issues in the United States. The firm has tackled important studies on health care, welfare, education, employment, nutrition, and early childhood policies and programs, spanning the human life span from children's health to long-term care for the elderly. Mathematica offers a unique combination of evaluation expertise, direct data collection services, and insight into socioeconomic issues for its clients, including federal agencies, state and local governments, foundations, universities, professional associations, and businesses. With two operating divisions and offices in Princeton, Washington, D.C., and Cambridge, the company's headquarters in Princeton employs nearly 500 people.