There partial list of
P.Lindenau , Memel

55/62 Pionierponton 1932 8 ts Litauen
63 Polizeiboot Zaibas 1932 16 BT Litauen
64 Zollkreuzer Aitvaras 1932 16 BT Litauen
65 Zollkreuzer Partizanas 1932 65 BT Litauen
66 Zollkreuzer Saulys 1932 16 BT Litauen
67 Fähre Sandkrug 1933 182 BT Stadt Memel
68 Fahrgastschiff Carpitano 1934 475 BT Standard Oil of Venezuela
69 Schleppdampfer Eksportles 27 1935 234 BT USSR
70 Schleppdampfer Eksportles 28 1935 234 BT USSR
71 Fahrgastschiff Admiral 1936 415 BT Atlantic Rhederei, Hamburg
72 Fahrgastdampfer Helgoland 1939 2947 BT HAPAG, Hamburg
73 Fracht MS Tolima v.St.40 1284 BT HAPAG, Hamburg
74 Fracht MS Toroma Wr 1284 BT HAPAG, Hamburg
75 Flußschlepper ann.
76 Hafenschlepper ann. 22 BT Gebr.Bieber, Memel
77/78 Fracht MS ann. 1000 BT Argo Reederei, Bremen

I know there is a number of shipyards planns in
Central Maritime Museum in Gdansk/Danzig, Polen

I could try to check my lists of ships built for USSR before WWII
I think there was an arricle on German built ships in STRADGUT.
There were some built Finnland if you like and Holland.