Policy analysis organizations will differ depending on your topic, but here are some places to start.
Policy-Specific Think Tanks
Before getting started with policy research, it is a good idea to start with some background and context to the issues you are investigating. The sources below will help you get to that information quickly.
Use the Online Catalog to locate books and other materials in Reynolds Library. To find books on US Policy Issues, search on the policy and "United States":
Primary Political Science Databases
Other Policy-Related Databases
These databases (listed in the order of likelihood they will be useful to you) will get you to news and scholarly journal articles on public policies from databases for disciplines outside of Political Science. Be sure to include 'United States' as a search term if investigating domestic policy as many of them are international in scope.