Ah
Flag
Company
Country
A. Hansen, Flensburg
Germany
American-Hawaiian SS Co. US
A.Hartrodt Germany
Henriques, Cacilda de Souza Brazil
Andreas Hansen GmbH Germany
Alfred Homuth G.m.b.H.
Germany
Rederi Alfons Hakans, Turku
Finland
Alfred Holt & Co. and Blue Funnel Line
UK
Aagaard Heitmann Germany
Great Eastern Shipping Co.Ltd.

(different variants)

India
Associated Humber Line
UK
André et Henry LEDUN France
Ahlmann Schifffahrt GmbH & Co KG Germany
Nieuwe Afrikaansche Handels-Vennootschap

Netherlands
AIDA Cruises Italy
Germany
Amsterdams Internationaal Motor Kantoor
(Amsterdam International Motoring Office) 
Netherlands
Algot Johansson
Finland
A.J. Morland, Arendal
Norway
K. Andersen & Co., Frederikstad

 red flag, white stylized "AK"
Norway
Van den Akker Bergings- en Transportbedrijf, Glasgow

(Salvage and Transport company)

UK
A.K. Ventouris, Piraeus
Greece