List of the Largest Companies in Ireland

Name	Sector	Revenue $mlns	M&A Activity	Last 5 Years
Delta Electronics Taiwan (TSEC) : 2308 Taipei, Ireland website	Electrical Equipment	421,148	8	7	1
CRH NYSE : CRH Dublin, Ireland website	Building Materials	35,572	39	31	8
Medtronic NYSE : MDT Galway, Ireland website	Medical Products	33,537	64	59	5
DCC London Stock Exchange : DCC Dublin, Ireland website	Distribution	27,726	22	15	7
Eaton NYSE : ETN Dublin, Ireland website	Electrical Equipment	24,878	73	62	11
Johnson Controls NYSE : JCI Cork, Ireland website	Diversified	22,952	51	33	18
Trane Technologies NYSE : TT Swords, Ireland website	Business Services	19,838	6	6	-
Aptiv NYSE : APTV Dublin, Ireland website	Automotive	19,713	16	12	4
Aon NYSE : AON Dublin , Ireland website	Insurance	15,698	60	37	23
Adient NYSE : ADNT Dublin, Ireland website	Automotive	14,688	2	1	1
Experian London Stock Exchange : EXPN Dublin, Ireland website	Information Services	11,581	76	66	10
Smurfit Kappa Group Public Dublin, Ireland website	Packaging	11,390	16	13	3
Covidien plc Acquired Medtronic 2014-06-15 $42.9B Dublin, Ireland website	Medical Products	10,235	25	21	4
Tyco International Ltd. Acquired Johnson Controls 2016-01-25 Mahon, Ireland website	Safety/Security	9,902	50	32	18
Kingspan Public Kingscourt, Ireland website	Building Materials	9,700	17	16	1
Seagate Technology NASDAQ : STX Dublin, Ireland website	Technology Hardware	9,097	13	12	1

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Largest Companies in Ireland