What is "patco"

PATCO may refer to:

• Professional Air Traffic Controllers Organization (1968), the defunct US Air Traffic Controllor labor union
• Professional Air Traffic Controllers Organization (2003), an independent labor union in the United States
• Professional Air Traffic Controllers Organization (AFSCME), an affiliate of the American Federation of State, County and Municipal Employees (AFSCME).
• PATCO Speedline, a rapid transit system running between Philadelphia, Pennsylvania and Camden County, New Jersey