Headquartered in San Diego, Cubic Transportation Systems supplies fare collection systems for mass transit systems in Asia, Australia, Europe and North America. The company also provides payment systems for parking facilities. It serves a wide variety of clients, including BART, the Chicago Transit Authority, MARTA in Atlanta and the Metro in Washington, D.C. Cubic Transportation System's fare collection systems for bus and rail transit agencies often incorporate smart cards, which are credit card-like devices that have an embedded semiconductor. It has a staff of more than 1,300 employees with main operations in California, Tennessee, New York and Virginia.