The five airlines are:
* TACA International (TA) (El Salvador)
* Aviateca (GU) (Guatemala)
* Regional (GU) - Formerly Inter, it operates under Aviateca's code.
* Lacsa (LR) (Costa Rica)
: Lacsa is the only airline of the group that still operates international flights with its own flight numbers. Its hub is at Juan Santamaría International Airport in San José, Costa Rica.
* SANSA (Costa Rica) (RZ)
* Islena Airlines (WC) (Honduras)
* Nicaragüense de Aviación (6Y) (Nicaragua)
: Regional - La Costeña
* TACA Perú (T0) (Peru) is now an important part of Grupo TACA.