A list of aircraft operators that have that have suffered an accident, serious incident or hijacking. The list may also contain defunct airlines or airlines that in the meantime have changed their name or have merged.

Airlines:
China Airlines
Civil Air Transport (covert military reorganized as Air America in 1959)
Daily Air
Dapeng Airlines
Eva Air
Far Eastern Air Transport - FEAT (grounded 2008-2011 for financial reasons; restarted April 2011)
Formosa Airlines (merged with Mandarin Airlines under the Mandarin name)
Foshing Airlines (renamed Transasia Airways)
Mandarin Airlines
Taiwan Airlines
Taiwan Aviation
TransAsia Airways (until 1992 known as Foshing Airlines)
Uni Air (until 1996 known as Makung International Airlines; then merged with Great China Airlines and Taiwan Airways to form Uni Air)
Winner Airways
Yung Shing Airlines (renamed Formosa Airlines)

Military:
Chinese Nationalist Air Force - CNAF (renamed Republic of China Air Force in 1949)
Republic of China Air Force - ROCAF

Special operations (survey, crop spraying etc.):
National Airborne Service Corps - NASC