TIAS provides ground handling services, which includes baggage handling, aircraft load control, aerobridge and passenger steps operation, loading and unloading of aircraft, and cargo and mail delivery, to airline customers. TIAS also provides passenger and flight handling services, which includes passenger check-in, ticketing, flight dispatch, and cargo documentation. TIAS provides handling for 30 airlines out of 38 that operates in Taoyuan International Airport. Therefore, the company had a market share of over 75% in handling services at Taoyuan International Airport.
Shareholders
TIAS was mainly held by China Airlines (55%) with the rest held by government MTC (45%). However, on 30 December 1999, UPS acquired a 6% stake in TIAS from China Airlines. Major shareholders of TIAS now include: