Ирландиядағы ірі компаниялар тізімі

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This is a list of notable companies based in Ireland, or subsidiaries according to their sector. It includes companies from the entire island. The state of the Republic of Ireland covers five sixths of the island, with Northern Ireland, part of the United Kingdom, covering the remainder in the north east. Each has separate regulatory and registration authorities.

This list shows firms in the Fortune Global 500, which ranks firms by total revenues reported before 31 March 2017. Only the top five firms (if available) are included as a sample. RankImageName2016 revenues (US$M)EmployeesNotes 272 Johnson Controls 37,674 209,000 Multinational industrial conglomerate manufacturing electronics for the automotive industry and commercial electrical equipment. After a full merger with Tyco International in 2016, the firm established headquarters in Cork, Ireland. 305 Accenture 34,798 384,000 Global professional services and management consulting firm. The company formed as a spin off from the U. S. based Arthur Andersen in 1989 and moved their headquarters to Dublin in 2009. Accenture's clients include more than three quarters of the Fortune Global 500. 363 CRH plc 29,973 86,778 Diversified building materials and construction holding company. The firm provides heavyside products and materials (cement, aggregates and concrete), lightside products (glass, fencing), and retail product distribution (merchant chains). 377 Medtronic 28,833 98,017 Multinational medical device design, development and manufacturing. company. After acquiring Dublin based Covidien in 2014, the firm moved their headquarters from the United States to Ireland while retaining operational headquarters in Fridley, Minnesota.

This list includes notable companies with primary headquarters located in the country. The industry and sector follow the Industry Classification Benchmark framework. Organizations which have ceased operations are included and noted as defunct.