Custom House Agents (CHA) take care of the various customs clearance aspects of transporting cargo or freight. Their name is derived from the fact that these custom house agenbts are present to handle customs clearance of cargo when the ships dock ashore at ports and harbours. Depending on the type of customs clearance of cargo a ship carries in the shipping container, it is known as dry cargo, general cargo, liquid cargo, reefer, ro-ro, liquid bulk and dry bulk. Custom House Agents is a term sometimes used interchangeably with shipping companies. They pay a great deal of attention to their responsibilities, including arranging the supply, transport and handling of goods. Just like sending air cargo via an aircraft needs clearances from the relevant authorities, a cargo ship needs permissions from the port authorities. A shipping companies fee is what these shipping companies charge towards the various responsibilities they shoulder. Above is a vast list of Custom House Agents (CHA) in India .