|Headquarters||3167 Magsaysay Boulevard, Sta. Mesa, Manila, Philippines|
|Service area||Manila-Southern Luzon, Philippines|
|Service type||Provincial Operation|
|Fleet||100+ bus units, (ordinary and air-conditioned buses)|
|Operator||AB Liner, Inc.|
AB Liner was said to named after the so-called founders of the said company based on its acronym.
Now presently owned and operated by the couple, Luis Mandigma and Maria Victoria Mandigma, all AB Liner buses are recognizable by the name Mandigma emblazoned on their backs and their distinctive blue-and-yellow color scheme.
AB Liner started its operation in the mid-1990s.
AB Liner presently maintains a fleet of roughly 100 buses. Its Manila terminal is located in Magsaysay Boulevard, Sta. Mesa, Manila, in front of the National Statistics Office. Another terminal is located along EDSA, Cubao, Quezon City, occupying at ALPS The Bus Terminal in the said location.
All AB Liner buses which ply the Manila-Lucena-Guinayangan route leave the Manila terminal at 7:30 AM. Trips end at 3:00 PM. Buses from Guinayangan going to Lucena and Manila start departing the Guinayangan terminal at 12MN. The last bus leaves Guinayangan at 5:00 PM.
- Provincial Destinations