Hi,
I would like to request adding one of the major ground handling operators present in Poland - LS Airport Services (LSAS).
They are the biggest ground handling company operating in Poland and they are providing services at EPWA, EPKK, EPKT and EPGD airports.
Link to their website for reference:
https://www.lsas.aero/enKind regards,
Marcin Kwiatkowski