Ma
Flag
Company
Country
Messageries Africaines France
Matthews Aviation Australia
Montefiore & Anchaid France
Maaskade Bevrachtingskantoor
Netherlands
MACS Maritime Carrier A.G., Altendorf
Germany
Ministry of Agriculture & Fisheries New Zealand
M.A. Flint Germany
Maritieme Afvalstoffen Inzameling Nederland BV
 Maritime Waste Products Collection Netherlands
Netherlands
Mamenic Line Nicaragua
Mamenic Line Nicaragua
Mammoet
Netherlands
Maritime Services Aleuropa, G.m.b.h., Hamburg
Germany
Markerink BV, Tolkamer
Netherlands
M.A. Ray & Sons UK
"Mary" (ship, 1831-1861) US
Malmö Bogser

(variants with a black disk)

Sweden
Reederei Bethke Germany
Reederei Bethke Germany
Cia. Maritima Balear S.A., La Coruna
Spain
Montan Brennstoffhandel und Schiffahrt GmbH & Co. KG Germany
Märkische Bunker und Service GmbH & Co. KG, at Berlin Germany