Sa
Flag
Company
Country
Soc. Rimorchi Salvataggi Trieste p.A. (SO. RI. SA.), Trieste
Italy
Tripcovich
Italy
Società Anonima di Navigazione Adriatica-Venezia’ Italy
Sota y Aznar, Bilbao
Spain
Sud Atlantica Sociedad Anonima de Navegaçio
Argentina
Lundgren & Börjesson, ship: M/S Silken, built 1957,Upphuggen 1983 i Karachi;

flag: yellow, in center blue shield charged with a yellow disk with intertwined green "SA".

This kind of shield is a trademark of the Börjesson family if I can believe Brown.

Sweden
Stockholms Ångslup A/B Sweden
Services Auxiliaires de l'Armement France
Sabon Logistics BV
Netherlands
Società Cooperativa Rimorchiatori Ancona
 Cooperative Towage Co., Ancona
Italy
Cordina Steamship & Airline Co. Ltd. Malta
Schleppschiffahrt auf dem Neckar AG Germany
Société Anonyme de Gérance et d'Armement France
Société Anonyme d'Armement, d'Industrie et de Commerce, Antwerp
Belgium
South African Lines, Cape Town
(also with bleu and orange stripes)
South Africa
Société Anversoise de Liaisons Fluviales S.A.
(Antwerp Company for Waterway Connections)
Belgium
Salka Handels- en Transportmaatschappij BV
Netherlands
Sally Line Ltd., Ramsgate
UK
Svenska Amerika-Mexiko Linien
Sweden
AB Svenska Amerika Mexiko Linien
Sweden
Samband Islenzkra Samvinnufelaga Island
Sanara B.V., Rotterdam
Netherlands
Scanco Shipping AS Norway
Stars & Anchor Line New Zealand
Sten A. Olsson Handels A/B
Sweden
Standard Amerikaansche Petroleum N.V.
(Standard American Petrol Company Ltd)
Netherlands
Société Anonyme des Pêcheries Pleven France
Società Anonima Pesca e Reti Italiana
Italy
Sauer Bevrachtingen (Chartering), Rotterdam BV., Zwijndrecht
Netherlands