no they just work together but although treyarch does own infinity ward but activision doent own treyaech
activision and treyarch
It is Activision that does it because of an agreement with Xbox 360. Treyarch develops the Games and add ons for Activision
Treyarch and activision
Treyarch made the game for Activision
It's quite likely. Treyarch and Activision have worked together on previous CoD titles (Black Ops, CoD 3, etc).
The same as Black ops itself. Treyarch+Activision.
The company was made by Peter Akemann and Doğan Köslü.
treyarch and activision
It was developed by Treyarch for Activision
Activision, Treyarch, and Infinity Ward and Sledgehammer
activision~http://www.activision.com/index.html