K white
Flag
Company
Country
Köpping Reederei GmbH & Co. K.G. Germany
Reederei Kipp Germany
Michael K. Kritikakis Salvage & Towage, Piraeus
Greece
K. Line, Kawasaki Dockyard Co., Kawasaki S.S. Co., Kokusai Kisen Kaisha, Kobe
Japan
Kawasaki Kisen K.K. Japan
Brødrene Klovning Norway
Skibs A/S Karlander, Oslo
Norway
Kashima Futo K.K., Kamisu
Japan
Tokyo Kisen Co. Ltd Japan
Kinkai Tanker Co. Ltd Japan
A.F. Klaveness & Co., Oslo
Norway
N.G. Kyriakides, Piraeus
Greece
R.J. Kemperman Netherlands
Reederij P. Kooij
Netherlands
Kooij and Plas 
Horizontally divided red above blue, a white initial “K” (no serifs) placed near the hoist.
Netherlands
J.P. Knight Ltd., Rochester
UK
Korean Marine Transport Co., Ltd., Seoul
Korea
Rheinkies-Baggerei Wesel Germany
Lennart Kihlberg
Sweden
Hochseefischerei AG Carl Kämpf Germany
Kotug Netherlands
TAK Shipping United States
Carras (Hellas) Ltd., Piraeus

(different version fonction of the shape of the flag)

Greece
Celal Sedagoglu Denizcilik San ve Ticaret S.A., Istanbul
Turkey
Kyle Transport Co. Ltd. (W.H. Bicket & Co.) UK
Athenian Group of Companies, Piraeus
Greece
Mehmet Kaptanoglu ve Ticaret A.S., Istanbul
Turkey
Sleepdienst Adriaan Kooren B.V., Rotterdam

(a towing company)

Netherlands
Kotug Netherlands
Orient Steamship

Founded by brothers John and Philip Koo in 2002, operating two bulk carriers and chartering another one plus a tanker.

Hong Kong