R red
Flag
Company
Country
Red 'R' Steamship Co. Ltd.
UK
Società Commerciale Italiana di Nav Italy
Reinauer Transportation United States
Remolcadores Unidos Argentinos
Argentina
Deutsch-Amerikanische Petroleum Gesellschaft, Hamburg

(German-American Petroleum Company).

different versions with color of the central band

Germany
DRBL
Germany
William. Robertson, Glasgow
UK
Gem Line.
UK
"Roma" S. di Navigazione
Italy
G.T. Redhead & Co., Newcastle-on-Tyne
UK
Seas Shipping Co. (Robin Line) United States
C. Rowbotham & Sons, London.
UK
Plas
Blue field with white diamond, rather small, bearing a red initial “P” (no serifs).
Netherlands
K.G. Reederei Roth, G.m.b.H. & Co., Hamburg Germany
Roth Kies Germany
REIBEL AG für Spedition und Schiffahrt NfL Plamper & Thamer Germany
Rudolf Rettich Germany