Unidas de Colombia (AUC), which was the country's largest and deadliest paramilitary group in the decades long civil war in Colombia, during which paramilitaries and the government clashed with leftwing guerrillas. However, U.S. courts have repeatedly ruled against the families of the Colombian victims. See also Birmingham District References External links Historic American Engineering Record (HAER) documentation: Coal companies of the United States Companies based in Birmingham, Alabama Historic American Engineering Record in Alabama Privately held companies based in Alabama