WorkerCenters.com is a project of the Center for Union Facts (CUF), a 501(c)3 non-profit organization dedicated to keeping a watchful eye on America’s labor union movement.

The Center for Union Facts has gathered a wealth of information about the size, scope, political activities, and criminal activity of the labor movement in the United States. CUF’s database of labor unions is the single most comprehensive resource for information on unions. It contains more than 150 million data points and provides detailed information on more than 20,000 union locals.