Context : Devil Dogs of the Air (a.k.a. Flying Marines) is a 1935 Warner Bros. film, directed by Lloyd Bacon and starring James Cagney and Pat O'Brien, reprising their earlier roles as buddies after making their debut as a ``buddy team'' in Here Comes the Navy. 
Subject : Devil Dogs of the Air 
Relation : production company
What production company was involved in Devil Dogs of the Air?