The largest producer of Birney Safety Cars was the American Car Company, a subsidiary of the J. G. Brill Company, but several other companies also manufactured Birneys (e.g. Ottawa Car Company).
Największym producentem wagonów Birney Safety Car był American Car Company, spółka zależna od J. G. Brill Company, lecz kilka innych firm również produkowało wagony typu Birney.