The Center for Immigration Studies (CIS) is a nonpartisan, non-profit research organization that advocates immigration reduction in the United States. Founded in 1985, its executive director is Mark Krikorian. As a 501(c)(3) organization, it is subject to limits or absolute prohibitions on engaging in political activities. Some media sources have labeled it "conservative", while others have labeled it "nonpartisan" (or "non-partisan") or not labeled it.

The website is [1]

More information on the Wikipedia page [2]