P black
Flag
Company
Country
Panama Railroad Steamship Co United States
Administration Postale, Paris
France
unknown
United States
L. Possehl & Co Germany
Reederei Manfred Preukschat KG
Germany
Luis Paquet Mendoza S.A.
Spain
Nouvelle Société Provençale de Geston Maritime (PROGEMAR)

(different colors of P)

France
Plouvier N.V., Antwerp
Belgium
Kapitän Prüsse Germany
Peirce Bros., Naples
Italy
Frederick Gerhard & Co. United States
Polshipping Poland
Julius Penns Germany
Putford Enterprises Ltd., Lowestoft
UK
Agencia Marítima Portillo S.A.
Spain
J.C. Pflugk Germany
A.G. Papadakis, Greek and Liberian flags

A.G. Pappadakis & Co., Ltd., London

Greece
Pastré Frères
France