Taoyuan International Airport Service(TIAS) is a joint venture Ground Handling company by China Airlines (49% stake share), the Ministry of Transportation & Communications (45% stake share), and United Parcel Service (6% stake share). We provide professional below wings ground handling services for all customer carriers. TIAS is the major Ground Handling company at Taoyuan International Airport (TPE) since 1979 with a special dispatch team at Taitung Airport (TTT) since 2000.

In 2017, TIAS had provided ground handling service to 78,376 flights, serviced over 26.4 million passengers, and handled over 1,779,586 tons cargo volume.