What is this "Company" Kazami Yuuji works for anyway?


In the Grisaia no Kajitsu, Kazami Yuuji works for a company related to
Ichigaya and the Japanese government.

But he very often states that the Japanese branch is indeed a branch of the
main corporation in America.

So it seems to be some intelligence and special ops agency, but in a worldwide
aspect.

What is this corporation exactly? Asahi Cleaning LLC is the front, that is not
what I am asking.

Looking for answers from the VN, since the first season of the anime does not
delve too deep into this.

