The Center for Immigration Studies is an independent, non-partisan, non-profit, research organization...providing immigration policymakers, the academic community, news media, and concerned citizens with reliable information about the social, economic, environmental, security, and fiscal consequences of legal and illegal immigration into the United States."
"The Immigration Policy Center (IPC) is the research and policy arm of the American Immigration Council. IPC's mission is to shape a rational conversation on immigration and immigrant integration. Through its research and analysis, IPC provides policymakers, the media, and the general public with accurate information about the role of immigrants and immigration policy on U.S. society."