The current "Big Five" control roughly 90% of the worldwide box office. CINEACTION Walt Disney Studios

The 5 Major Movie Studios in Hollywood, Explained | Backstage

While studios often handle financing and distribution, specialized production companies focus on the technical and creative logistics of filming. Amblin Entertainment : Founded by Steven Spielberg, responsible for icons like Jurassic Park

For an entertainment production to be considered a "proper feature" in the mainstream industry, it typically adheres to these standards: