PRODUCTION COMPANY.

A production Company creates the structure for works in the area of performing arts, new media art, film, television, radio, and video.

http://en.wikipedia.org/wiki/Production_company

The production company is responsible for the raising of funds, editing and advertising of a film, this can be accomplished through a parent company, partner, or investor. 

Production companies operate in many conglomerates, as they can operate in many divisions, for example; Warner bros entertainment and lions gate entertainment.

Warner bros is a big corporate production company whilst lionsgate is independent.

Logo examples of independent British Production Companies:

 

BMW PRODUCTIONS:
Our Group production company is independent, because there is no studio of which we are located.