Top Companies in Ireland by Number of Employees in 2025

Rank	Name	Employees	Price	Change (%)
1	Smurfit Westrock Plc SW	100,000	46.21	0.39%
2	Medtronic plc MDT	95,000	86	1.12%
3	Johnson Controls International plc JCI	94,000	96.60	1.29%
4	TE Connectivity plc TEL	87,000	162.87	0%
5	CRH plc CRH	79,800	98.68	0.03%
6	Adient plc ADNT	70,000	15.54	0%
7	Aon plc AON	50,000	364.96	0%
8	Trane Technologies plc TT	45,000	429.18	0.38%
9	ICON Public Limited Company ICLR	41,900	130.75	0.67%
10	Dole plc DOLE	35,371	14.37	0%
11	Kingspan Group plc ISE-KRX	24,835	85.97	0.73%
12	Ryanair Holdings plc RYAAY	22,261	53.97	7.94%
13	Kerry Group plc ISE-KRZ	21,728	108.82	0.89%
14	DCC plc LON-DCC	16,600	6,460.67	0.62%
15	Cimpress plc CMPR	15,000	45.02	0.27%
16	Allegion plc ALLE	14,400	144.49	0%
17	Greencore Group plc LON-GNC	13,300	280.78	3.45%
18	Bank of Ireland Group plc ISE-BIRG	11,188	13.33	2.69%
19	AIB Group plc ISE-A5G	10,469	7.55	3.23%
20	Grafton Group plc LON-GFTU	10,000	1,382.79	1.27%
21	Perrigo Company plc PRGO	8,379	27.20	0%
22	Glanbia plc ISE-GL9	5,791	13.95	2.9%
23	James Hardie Industries plc JHX	5,679	24.99	1.03%
24	Dalata Hotel Group plc ISE-DHG	5,314	6.29	0.18%
25	Uniphar plc ISE-UPR	3,500	3.93	2.65%
26	Permanent TSB Group Holdings plc ISE-PTSB	3,359	1.94	0.58%
27	C&C Group plc LON-CCR	2,937	210.72	2.34%
28	Origin Enterprises plc ISE-OIZ	2,845	4.06	2.96%
29	Bank of Cyprus Holdings Public Limited Company CYS-BOCH	2,843	7.25	3.54%
30	Jazz Pharmaceuticals plc JAZZ	2,800	109.78	0.73%
31	Alkermes plc ALKS	1,800	31.45	0.1%
32	Kenmare Resources plc LON-KMR	1,761	498.05	1.72%
33	FBD Holdings plc ISE-EG7	1,000	14.52	0.39%
34	FINEOS Corporation Holdings plc ASX-FCL	893	1.60	4.17%
35	AerCap Holdings N.V. AER	699	113.81	0%
36	Glenveagh Properties PLC ISE-GVR	641	1.98	3.29%
37	Mincon Group plc AIM-MCON	530	48.13	4.22%
38	Carbon Revolution Public Limited Company CREV	443	3.55	9.23%
39	Kalera Public Limited Company OTC-KALRQ	438	0	50%
40	Cairn Homes plc LON-CRN	400	241.21	4.04%
41	Trinity Biotech plc TRIB	380	0.82	3.21%
42	Irish Continental Group plc LON-ICGC	290	589.64	4.13%
43	Amarin Corporation plc AMRN	275	10.90	3.02%
44	ADS-TEC Energy PLC ADSE	239	12.03	2.12%
45	Avadel Pharmaceuticals plc AVDL	188	9.35	3.77%
46	Prothena Corporation plc PRTA	163	7.40	3.06%
47	Datalex plc ISE-DLE	159	0.38	0%
48	RVL Pharmaceuticals plc OTC-RVLPQ	125	0	900%
49	Mural Oncology plc MURA	116	2.80	5.66%
50	Fusion Fuel Green PLC HTOO	116	0.33	6.39%

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