User blog comment:X-Machinist-X/Dishonored random stuff/@comment-26438896-20151019121823/@comment-1500935-20151019232215

Thatgamecompany is the company's name. :D

And it's only one name among several other small developer studios. Some of them won't probably release more than a few games, but I guess it's easier for them to start nowadays than back in the 80s/90s.