ESSI Ltd. is a private company established in 1991, engaged in the sale and service of marine electronics as official Cathelco, Wiska, Skipper etc. service station. Activities are carried out on the whole Adriatic Sea, as in many ports of the world as well.

ESSI Ltd., since of the establishment, in 1991, worked and still collaborates with many companies, whether state or privately owned, both within the country and abroad, shipyards and agencies.