"Gamedevmap" which displays the location of the game development company all over the world

If you look at this map, you can see clearly what kind of game development company exists anywhere in the world. Of course, Japanese game development companies are also listed.
Gamedevmap
http://www.gamedevmap.com/

The company to which I belong is not listed! If it says, it seems to be added if you contact by e-mail. For that reason, we are updating from time to time, and the number of companies is steadily increasing. It is said that there are companies that make so many games around the world.