Which famous architecture firm's logo directly incorporates one of their own landmark building designs?

Many iconic architecture firms have distinctive logos that reflect their design philosophy and aesthetic approach. This trivia question tests your knowledge about the relationship between famous architectural firms and their brand identities. Can you identify which renowned architecture studio incorporated an actual building they designed into their company logo? Understanding the visual branding of major architecture firms reveals how they position themselves in the competitive design marketplace.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Foster + Partners (featuring the distinctive curve of the Gherkin in London)
SOM (Skidmore, Owings & Merrill) featuring the Willis Tower (formerly Sears Tower)
OMA (Office for Metropolitan Architecture) with a stylized representation of CCTV Headquarters
BIG (Bjarke Ingels Group) with an isometric outline of their 8 House project in Copenhagen