Sea transportation companies have a lot of benefits for import and export companies. Firstly, they provide an economical solution to moving large quantities of goods across long distances.Secondly, sea transport is more environmentally friendly than air transport: the carbon footprint is lower for goods shipped by sea.Thirdly, the vast network of sea routes allows global coverage--so that businesses can market themselves worldwide.Fourthly, ocean-going containers offer more cargo capacity as well as a wider range of possible goods, from perishable products to dangerous materials Most of all, ocean transportation with various functions appears to be advantageous In summary: ocean freight companies offer the following benefits cost effective transport of one-off shipments; cleaner air with fewer green-house gases added to it--or "little" more pollution than there would otherwise have been from jet engines in some cases; use of sea lanes free from mobile phone fees for connection to customers around the world and so on.