The corporation's name is Benthic which refers to the lowest ecological level of a body of water.
The characters refer to the creature(s) as "kaiju", a Japanese word meaning "strange beast" .
At 42:37 the helicopter's ID starts with ZS indicating it is registered in South Africa.
When Charisse and Rena are talking in the helicopter, they are using noise cancelling headphones. The microphones should be very close to their mouths.