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
Holyhead Western Railway. Holyhead is the terminus of the North Wales Coast Line and is currently served by Virgin Trains and Transport for Wales services. Virgin Trains run direct trains to London Euston and Transport for Wales operate direct trains towards Cardiff and Birmingham International via Wrexham and Shrewsbury, and two direct trains per day to Manchester Piccadilly. The rail and ferry terminals are connected (for pedestrians and cyclists) to the town centre by The Celtic Gateway bridge. Until September 2009, Holyhead's main industry was the massive aluminium smelter on the outskirts of the town, operated by Anglesey Aluminium, a subsidiary