Douglas Aircraft Company. The Douglas Aircraft Company was an American aerospace manufacturer based in Southern California.
It was founded in 1921 by Donald Wills Douglas, Sr. and later merged with McDonnell Aircraft in 1967 to form McDonnell Douglas. Douglas Aircraft Company largely operated as a division of McDonnell Douglas (MD) after the merger. MD later merged with Boeing in 1997. History[edit] File:Douglas-logo.png. Douglas Aircraft List. List of All Douglas Aircraft Company Aircraft Types.