The Military Industrial Complex. Billions being spent on Dark Programs. Hiding the fact of alien contact and the implementation of alien technology.
Monsanto by a mile - control food and you control the world. I detest this company with a passion! The US Govt is just in charge of a tempramental teenage nation that stomps its feet whilst the long time democracies of the world tut tut at it.
As a former Department of Defense employee, it would be the U.S. government. You would be shocked by some of the things the U.S. government is capable of.
The latter.
http://www.ibtimes.com/monsanto-protection-act-5-terrifying-things-know-about-hr-933-provision-1156079