This is the 10558th most frequent Russian word.
владельцам
"To the owners."
In this sentence, 'владельцам' is used in the dative case, denoting the recipients of gratitude.
Спасибо всем владельцам за помощь в организации выставки.
Thank you to all the owners for helping organize the exhibition.
Here, 'владельцам' in the dative case indicates the group of people who receive the benefits.
Льготы предоставляются исключительно владельцам жилых домов.
Benefits are granted exclusively to owners of residential houses.
This sentence uses 'владельцам' to specify for whom the training was beneficial, again in the dative case.