Science, Environment, Health, and Technology

Organizations below marked with an (*) asterisk have paid internships

Public Health and Medicine

Advocates for Youth
Alliance for Health Reform*
American Public Health Association
Bazelon Center for Mental Health Law*
Campaign for Tobacco Free Kids*
Catholics for a Free Choice
Center for Food Safety*
Center for Reproductive Rights
Center for Science in the Public Interest*
Choice USA*
Counterpart International
DC Department of Health*
Elizabeth Glaser Pediatric AIDS Foundation 
Families USA*
Food Research Action Center
Genetic Alliance
Global Health Council
Men's Health Network
NARAL*
National Abortion Federation
National Mental Health Association
National Women's Health Network*
Physicians for Social Responsibility*
Planned Parenthood
U.S. Department of Health - Administration for Community Living
Whitman-Walker Clinic

Science, Engineering, and Technology

AAAS Science & Policy Internships
American Chemical Society
American Council on Renewable Energy
American Indian Science and Engineering Society
American Medical Student Association
American Society for Engineering Education
APCO Worldwide inc
Association for Women in Science* 
Bonneville Power Administration Internship
Center for Democracy & Technology
DC Parks & Recreation*
Defense Intelligence Agency
Department of Agriculture
Department of Defense
Eben Tisdale Fellowship 
Edison International
Environmental and Energy Study Institute
Environmental Protection Agency
Federation of American Scientists*
Foundation for AIDS Research
Foundation On Economic Trends 
Hispanic Association of Colleges & Universities Internship Program* 
Lloyd V. Berkner Space Policy Internships
NASA
National Science Foundation
National Telecommunications & Information Administration
Naval Research Enterprise Internship Program (NREIP)
Oak Ridge Institute for Science and Education
Science and Engineering Apprenticeship Program
Summer Institute in Earth Sciences (SIES)
U.S. Census Bureau*
U.S. Government Printing Office
United States Nuclear Regulatory Commission
US Army Corp of Engineers
US Bureau of Land Management

Environment and Conservation

American Council on Renewable Energy
American Rivers*
Counterpart International
Defenders of Wildlife*
Department of Agriculture*
Friends of the National Zoo Conservation & Research Center
Greenpeace USA
NASA*
National Park Foundation*
National Wildlife Federation*
Nature Conservancy, The
Smithsonian Environmental Research Center
Smithsonian National Zoological Park

Environmental Policy, Legislation, and Law

American Forests*
Center for International Environment Law
Climate Institute 
Council on Environmental Quality
DC Parks & Recreation*
Defenders of Wildlife*
Department of Agriculture*
Department of Interior*
DOJ - Environment & Natural Resources Division
Earthworks*
Environmental Council of the States
Environmental & Energy Study Institute
Environmental Law Institute
Environmental Protection Agency*
Friends of the Earth
National Wildlife Federation*
Public Citizen*
Save America's Forests*
Sierra Club*
Union of Concerned Scientists*
U.S. Chamber of Commerce
The Wilderness Society*
World Resources Institute