Anglesey Sqn Search and Rescue Helicopters, both units providing employment for about 500 civilians. RAF Valley is now the headquarters of 22 Sqn Search and Rescue. There is a wide range of smaller industries, mostly located in industrial and business parks, especially at Llangefni and Gaerwen. These include an abattoir and fine chemical manufacturing, as well as factories for timber production, aluminium smelting, fish farming and food processing. The island is also on one of the major routes from Britain to Ireland, via ferries from Holyhead, off the west of Anglesey on Holy Island, serving Dún Laoghaire and Dublin Port. Much
Salt Island, Anglesey of rails were still to be found amongst the large boulders deposited as the foundations for the inner arm. In more recent times, starting in February 2001, the island was expanded into the sea by the process of land reclamation. In total was gained at a cost of £10 million. An average of 7,000 tonnes of rock and mud was extracted per day during the process. Salt Island is part of the port of Holyhead and almost the whole extent of the island is used as a passenger, car and freight terminal and berths for ferries to and from Ireland.