This is a list of nationally respected organizations which offer spring, summer and fall internships every year. Some are paid others are unpaid. 

• American Enterprise Institute
• American Institute for Economic Research (AIER) - Student Summer Fellowship
• Program
• Americans for Tax Reform
• Brookings Institution
• Bureau of Economic Analysis
• Cato Institute
• Center on Budget and Policy Priorities
• Center for American Progress
• Center for Immigration Studies
• Center for Strategic & International Studies
• Competitive Enterprise Institute
• Conference of Asian Pacific
• Congressional Budget Office
• Council of Economic Advisors
• Empower America
• The European Institute
• Federal Reserve Board
• Hispanic Association of Colleges and Universities (HACU)
• Heritage Foundation
• Hudson Institute
• Institute for Women's Policy Research
• Koch Internship Program
• The Manhattan Institute
• National Taxpayers Union Foundation
• Oxfam America
• Progressive Policy Institute
• Resources for the Future Summer Internship Program
• The Urban Institute
• U.S. Department of Labor
• U.S. Department of State
• Washington Internship on Social Insurance
• William Randolph Hearst Endowed Fellowship for Minority Students at the Aspen Institute
• Woodrow Wilson International Center for Scholars