The sailors fell off the boats because they were drunk.

Who is "they" in this prior sentence?
The sailors
Blizzard Entertainment does not sell their games on Steam because they prefer to keep their own profits.

Who is "they" in this prior sentence?
Blizzard Entertainment
Hulu has had tremendous growth of subscribers over traditional cable provider Dish Network since they are charging too much for their plan.

Who is "they" in this prior sentence?
Dish Network