Princeton Fusion Research LLC, 293 Sayre Dr, Princeton, NJ 08540, US

For more than 35 years, Mathematica Policy Research has done objective research to support decisions about some of the United States' most pressing social policy problems. The firm has conducted some of the most important studies of health care, welfare, education, employment, nutrition and early childhood policies and programs. This research, which crisscrosses the human life span from children's health and welfare to long-term care for elderly people, helps to provide sound foundations for decisions that affect the well being of Americans. The company offers policymakers a unique combination of evaluation expertise, direct data collection services and insight into the socioeconomic issues that drive public policy. Its clients include federal agencies, state and local governments, foundations, universities, professional associations and businesses. Mathematica has two operating divisions, research and surveys and information services, with offices in Princeton, N.J., Washington, D.C., and Cambridge, Mass. The company s headquarters is located in Princeton, where it employs nearly 500 people.