Rockstar Games
Background: Founded in 1998 based in New York City
Owner/founder: Terry Donovan
Most successful games: GTA (grand theft auto)
Interesting fact about the institution: On GTA V, Rockstar games spent a sum of 300 million dollars and received it all back only on pre-sales. 

EA (Electronic Arts)
Background: Founded in 1982 based in Redwood city
Owner/founder: Trip Hawkins
Most successful games: The Sims
Interesting fact about the institution: Their most successful game (The Sims) is the world’s most successful pc game ever and they have been awarded 5 different Guinness world records.

Zynga
Background: Founded in 2007 and based in San Francisco
Owner/founder: Mark Pincus
Most successful games: Farmville
Interesting fact about the institution: Zynga is named after the found (Mark Pincus') dog.

Nintendo
Background: Founded in 1889 based in Kyoto Japan
Owner/founder: Fusajiro Yamauchi (founder) & Saturu Iwata (Global President)
Most successful games: Mario
Interesting fact about the institution: 4 of the top 10 selling games is Produced and Developed by Nintendo.

Sony Computer Entertainment
Background: Founded 1993 and based in Tokyo Japan
Owner/founder: Andrew House
Most successful games: Tekken
Interesting fact about the institution: The PlayStation was the result of a failed collaboration between Sony and Nintendo