Svenskaaero Aktiebolaget / Svenska Aero Aktiebolaget (Heinkel)
From 1921 built aircraft at Lidingo to Heinkel design; sometimes called Svenska Aero Aktiebolaget (Heinkel). S.1 was typical Heinkel (Brandenburg) twin-float seaplane, variously powered; S.11 was development; H.D.14 was torpedo- bomber biplane; H.D.17 fighter-reconnaissance biplane. Of Swedish design were Pirat two-seat multipurpose biplane, Falken trainer and Jaktfalk single-seat biplane fighter. In 1931 company liquidated and effects taken over by AB Svenska Jarnvagsverkstadern which company brought Jaktfalk production to 18.