Corrintec Marine, a division of Cathelco, is active in the protection of commercial and military high speed craft including warships and fast ferries where they have developed particular expertise in association with over 40 navies throughout the world 2012 Cathelco launch ballast water treatment system at.. Llalco Fluid Technology is Cathelco’s principal agent for the Spanish speaking South American countries including Argentina, Chile, Colombia, Mexico, Peru and Venezuela