The Highway Patrol is one of the largest divisions of the North Carolina Department of Public Safety other than the Department of Correction (DOC). The patrol's headquarters is located in the DPS headquarters in Raleigh in the Archdale Building downtown. This department also includes the NC State Bureau of Investigation (SBI), NC Alcohol Law Enforcement (ALE), NC Department of Corrections (DOC), which includes probation and parole (Community Corrections), NC Civil Air Patrol, Emergency Management, NC State Capitol Police, and the NC National Guard.