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
Port of Holyhead the port of Holyhead. B&I took Sealink to court in 1992 for imposing less favourable conditions on its competitor when using the port. In the following year, another company, Sea Containers Ltd, took legal action against Sealink Ports on similar grounds. Stena Line discontinued its fast ferry service in 2015, leaving Irish Ferries operating the fastest service between Holyhead and Dublin. Port of Holyhead The Port of Holyhead () is a commercial and ferry port in Anglesey, Wales, handling more than 2 million passengers each year. It covers an area of 240 hectares, and is operated by Stena Line Ports