Largest 94 Irish Companies in 2023

Ranking	Company	Market Cap (USD)	Stock	Country	Sector	Industry
1	Accenture plc	$170.33 B	ACN	Ireland	Technology	Information Technology Services
2	Medtronic plc	$103.38 B	MDT	Ireland	Healthcare	Medical Devices
3	Eaton Corporation plc	$62.74 B	ETN	Ireland	Industrials	Specialty Industrial Machinery
4	Johnson Controls International plc	$43.95 B	JCI	Ireland	Industrials	Engineering & Construction
5	Trane Technologies plc	$38.71 B	TT	Ireland	Industrials	Specialty Industrial Machinery
6	Experian plc	$31.71 B	EXPN	Ireland	Industrials	Consulting Services
7	CRH plc	$31.24 B	CRH	Ireland	Basic Materials	Building Materials
8	Horizon Therapeutics Public Limited Company	$25.70 B	HZNP	Ireland	Healthcare	Drug Manufacturers—General
9	Aptiv PLC	$25.18 B	APTV	Ireland	Consumer Discretionary	Auto Parts
10	Flutter Entertainment plc	$25.18 B	FLTR	Ireland	Consumer Discretionary	Gambling
11	STERIS plc	$18.70 B	STE	Ireland	Healthcare	Medical Instruments & Supplies
12	Ryanair Holdings plc	$17.14 B (Dec. 1, 2021)	RY4C	Ireland	Industrials	Airlines
13	Kerry Group plc	$16.34 B	KRZ	Ireland	Consumer Staples	Packaged Foods
14	ICON Public Limited Company	$16.26 B	ICLR	Ireland	Healthcare	Diagnostics & Research
15	AerCap Holdings N.V.	$14.78 B	AER	Ireland	Industrials	Airports & Air Services
16	Seagate Technology plc	$11.04 B	STX	Ireland	Technology	Computer Hardware
17	AIB Group plc	$10.83 B	A5G	Ireland	Financials	Banks
18	Bank of Ireland Group plc	$10.65 B	BIRG	Ireland	Financials	Banks
19	Kingspan Group plc	$10.41 B	KRX	Ireland	Industrials	Building Products & Equipment
20	Smurfit Kappa Group plc	$10.24 B	SK3	Ireland	Consumer Discretionary	Packaging & Containers
21	Jazz Pharmaceuticals plc	$10.04 B	JAZZ	Ireland	Healthcare	Biotechnology
22	Allegion plc	$9.68 B	ALLE	Ireland	Industrials	Security & Protection Services
23	James Hardie Industries plc	$8.27 B	JHX	Ireland	Basic Materials	Building Materials
24	DCC plc	$5.15 B	DCC	Ireland	Energy	Oil & Gas Refining & Marketing
25	Perrigo Company plc	$4.78 B	PRGO	Ireland	Healthcare	Drug Manufacturers—Specialty & Generic
26	Alkermes plc	$4.16 B	ALKS	Ireland	Healthcare	Biotechnology
27	Adient plc	$3.55 B	ADNT	Ireland	Consumer Discretionary	Auto Parts
28	Glanbia plc	$3.43 B	GL9	Ireland	Consumer Staples	Packaged Foods
29	UDG Healthcare plc	$3.27 B (Aug. 1, 2021)	UDG	Ireland	Healthcare	Medical Care Facilities
30	Prothena Corporation plc	$2.75 B	PRTA	Ireland	Healthcare	Biotechnology
31	Keywords Studios plc	$2.63 B	KWS	Ireland	Communication Services	Electronic Gaming & Multimedia
32	Grafton Group plc	$2.30 B	GFTU	Ireland	Industrials	Building Products & Equipment
33	Greencoat Renewables plc	$1.39 B	GRP	Ireland	Utilities	Utilities—Independent Power Producers
34	Permanent TSB Group Holdings plc	$1.16 B	IL0A	Ireland	Financials	Banks
35	Hibernia REIT plc	$1.14 B (June 1, 2022)	HBRN	Ireland	Real Estate	REIT—Diversified
36	COSMO Pharmaceuticals NV	$1.07 B	C43	Ireland	Healthcare	Drug Manufacturers—General
37	Uniphar plc	$913.7 M	UPR	Ireland	Healthcare	Medical Care Facilities
38	Dalata Hotel Group plc	$909.8 M	DHG	Ireland	Consumer Discretionary	Lodging
39	C&C Group plc	$870.2 M	CCR	Ireland	Consumer Staples	Beverages—Brewers
40	Amarin Corporation plc	$844.0 M	AMRN	Ireland	Healthcare	Biotechnology
41	Irish Continental Group plc	$841.3 M	IR5B	Ireland	Industrials	Marine Shipping
42	Applegreen plc	$830.9 M (March 13, 2021)	APGN	Ireland	Consumer Discretionary	Specialty Retail
43	Cimpress plc	$799.1 M	CMPR	Ireland	Communication Services	Advertising Agencies
44	Total Produce plc	$785.3 M (July 1, 2021)	T7O	Ireland	Consumer Staples	Farm Products
45	Glenveagh Properties plc	$760.0 M	GVR	Ireland	Consumer Discretionary	Residential Construction
46	Cairn Homes plc	$715.6 M	C5H	Ireland	Consumer Discretionary	Residential Construction
47	Irish Residential Properties REIT Plc	$646.1 M	IRES	Ireland	Real Estate	REIT—Residential
48	FBD Holdings plc	$557.9 M	EG7	Ireland	Financials	Insurance—Property & Casualty
49	Origin Enterprises plc	$536.0 M	OIZ	Ireland	Consumer Staples	Farm Products
50	Fly Leasing Limited	$519.1 M (July 1, 2021)	FLY	Ireland	Industrials	Aerospace & Defense