F
Flag
Company
Country
Feldmühle Germany
James Fisher & Sons, p.l.c., Barrow-in-Furness
UK

H. Feindt

Germany
Freighters Ltd. Australia
H. & W. Felter Germany
Flagship Charters
Australia
Reederei Herhard Frommann und Söhne GBR
Germany
Furness Lines
UK
J. Fenwick & Co. Pty. Ltd. Australia
Fendel Schiffahrts-AG

Germany
Far East Shipping K.K., Tokyo
Japan
Reederei Eugen Friederich
Germany
Seerederei „Frigga“
Germany
Société d'Armement E. Frisch & Cie. France
Interstate Steamships Pty. Ltd. Australia
Fraternitas Sweden
Johs. Fritzen & Sohn GmbH Germany
Fuhrmann, Nissle & Gunther, Hamburg
(other similar type with equal bands and oval)
Germany
FEDNAV Ltd., Montreal
Canada
A.G. Frankham Ltd. New Zealand
Rederi AB Groveland (J.P. Jönsson) - ship Groveland,built 1901, torpedoed 1917.

Flag yellow bordered red, red "F".

The ship was originally built for the SS CO Fawcitt (GB); I guess it kept the houseflag when it came into Swedish hands.

Sweden
Fernströms Rederi A/S

(different variants for F)

Sweden
AB A Fernström Granitindustrier

(variants on color of stars or waves)

Sweden
Fermar S.P.A. Ferchim S.R.L., Ravenna
Italy
Flinter Netherlands