This is the 515th most frequent Romanian word.
companiei
"Companiei" means "of the company" in English.
Here, 'companiei' is in the genitive case, indicating possession related to 'aniversarea' (the anniversary).
Am participat la aniversarea companiei.
I attended the company's anniversary.
In this sentence, 'companiei' specifies ownership and is linked to 'echipa' (the team).
Echipa companiei lucrează la un nou proiect.
The company's team is working on a new project.
Here, 'companiei' serves as a qualifier for 'politica internă' (the internal policy), showing association and possession.