The Deep Space Network has only three 70-meter dishes, and there is a lot of competition for time on them; New Horizons is lucky to get one communications session per day. And while New Horizons is pointing its dish at Earth, it can't point at anything else, including Pluto.
Saudi Aramco is deservedly #1 on this list. This company generates over $1 billion a day in revenue, produces the most barrels per day of any company and is sitting on the largest proven reserves in the world. This company began with Standard Oil of California striking oil in Saudi Arabia in the 1930s.
Four emerging market firms made it to the top 10 ranking. These four firms are PetroChina & Sinopec of China, Gazprom of Russia and Petrobras of Brazil. PFC Energyâs Top 50 Energy Companies for 2009: