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	401,226	7	6	1
CRH NYSE : CRH Dublin, Ireland website	Building Materials	34,949	38	30	8
Medtronic NYSE : MDT Dublin, Ireland website	Medical Products	32,364	64	59	5
DCC London Stock Exchange : DCC Dublin, Ireland website	Distribution	30,571	21	14	7
Johnson Controls NYSE : JCI Cork, Ireland website	Diversified	26,793	48	32	16
Eaton NYSE : ETN Dublin, Ireland website	Electrical Equipment	23,196	71	60	11
Aptiv NYSE : APTV Dublin, Ireland website	Automotive	20,051	16	12	4
Flutter Entertainment London Stock Exchange : FLTR Dublin, Ireland website	Gaming	18,150	8	7	1
Trane Technologies NYSE : TT Swords, Ireland website	Business Services	17,678	6	6	-
Adient NYSE : ADNT Dublin, Ireland website	Automotive	15,395	2	1	1
Aon NYSE : AON Dublin , Ireland website	Insurance	13,376	58	36	22
Smurfit Kappa Group Public Dublin, Ireland website	Packaging	11,390	16	13	3
Experian London Stock Exchange : EXPN Dublin, Ireland website	Information Services	10,925	75	65	10
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	9,118	17	16	1

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Largest Companies in Ireland