This is the 12467th most frequent Turkish word.
hizmetlerine
"To their services."
Here, 'hizmetlerine' refers to 'to their services' in the possessive sense, indicating the relationship between the services and the possessors (they).
Hizmetlerine ihtiyaç duyan birçok kişi sıralar oluşturdu.
Many people in need of their services formed queues.
In this sentence, 'hizmetlerine' again indicates a possessive dative usage, meaning 'for (or towards) its services,' specifying a relationship and directionality.
Bu sosyal sorumluluk projesi hizmetlerine ücret talep etmiyor.
This social responsibility project does not charge for its services.
The word 'hizmetlerine' is in the dative case here, meaning 'to its services', showing direction or relation to the services of the mentioned company.