This is the list of the largest public listed companies from Ireland by market capitalization with links to their reference stock, sector and industry.
Company Profile:
Accenture plc
Market Cap (USD):
$189.83 B
Country:
Ireland
Sector:
Irish Technology
Industry:
Irish Information Technology Services
Company Profile:
Eaton Corporation plc
Market Cap (USD):
$140.16 B
Country:
Ireland
Sector:
Irish Industrials
Industry:
Irish Specialty Industrial Machinery
Company Profile:
Medtronic plc
Market Cap (USD):
$113.25 B
Country:
Ireland
Sector:
Irish Healthcare
Industry:
Irish Medical Devices
Company Profile:
Trane Technologies plc
Market Cap (USD):
$96.50 B
Country:
Ireland
Sector:
Irish Industrials
Industry:
Irish Specialty Industrial Machinery
Company Profile:
Aon Plc
Market Cap (USD):
$76.61 B
Country:
Ireland
Sector:
Irish Financials
Industry:
Irish Insurance Brokers
Company Profile:
Johnson Controls International plc
Market Cap (USD):
$69.14 B
Country:
Ireland
Sector:
Irish Industrials
Industry:
Irish Engineering & Construction
Company Profile:
CRH plc
Market Cap (USD):
$64.19 B
Country:
Ireland
Sector:
Irish Basic Materials
Industry:
Irish Building Materials
Company Profile:
Experian plc
Market Cap (USD):
$47.42 B
Country:
Ireland
Sector:
Irish Industrials
Industry:
Irish Consulting Services
Company Profile:
Seagate Technology plc
Market Cap (USD):
$32.24 B
Country:
Ireland
Sector:
Irish Technology
Industry:
Irish Computer Hardware
Company Profile:
Flutter Entertainment plc
Market Cap (USD):
$31.25 B
(Jan. 1, 2024)
Country:
Ireland
Sector:
Irish Consumer Discretionary
Industry:
Irish Gambling
Company Profile:
Horizon Therapeutics Public Limited Company
Market Cap (USD):
$26.63 B
(Jan. 1, 2025)
Country:
Ireland
Sector:
Irish Healthcare
Industry:
Irish Drug Manufacturers—General
Company Profile:
STERIS plc
Market Cap (USD):
$23.44 B
Country:
Ireland
Sector:
Irish Healthcare
Industry:
Irish Medical Instruments & Supplies
Company Profile:
AerCap Holdings N.V.
Market Cap (USD):
$20.86 B
Country:
Ireland
Sector:
Irish Industrials
Industry:
Irish Airports & Air Services
Company Profile:
Ryanair Holdings plc
Market Cap (USD):
$18.18 B
(Dec. 1, 2021)
Country:
Ireland
Sector:
Irish Industrials
Industry:
Irish Airlines
Company Profile:
Kerry Group plc
Market Cap (USD):
$17.85 B
Country:
Ireland
Sector:
Irish Consumer Staples
Industry:
Irish Packaged Foods
Company Profile:
AIB Group plc
Market Cap (USD):
$17.25 B
Country:
Ireland
Sector:
Irish Financials
Industry:
Irish Banks—Regional
Company Profile:
Aptiv PLC
Market Cap (USD):
$15.72 B
Country:
Ireland
Sector:
Irish Consumer Discretionary
Industry:
Irish Auto Parts
Company Profile:
Kingspan Group plc
Market Cap (USD):
$15.52 B
Country:
Ireland
Sector:
Irish Industrials
Industry:
Irish Building Products & Equipment
Company Profile:
Bank of Ireland Group plc
Market Cap (USD):
$13.91 B
Country:
Ireland
Sector:
Irish Financials
Industry:
Irish Banks—Regional
Company Profile:
James Hardie Industries plc
Market Cap (USD):
$13.46 B
(July 1, 2024)
Country:
Ireland
Sector:
Irish Basic Materials
Industry:
Irish Building Materials
Company Profile:
Allegion plc
Market Cap (USD):
$12.74 B
Country:
Ireland
Sector:
Irish Industrials
Industry:
Irish Security & Protection Services
Company Profile:
ICON Public Limited Company
Market Cap (USD):
$11.99 B
Country:
Ireland
Sector:
Irish Healthcare
Industry:
Irish Diagnostics & Research
Company Profile:
Smurfit Kappa Group plc
Market Cap (USD):
$11.62 B
(July 1, 2024)
Country:
Ireland
Sector:
Irish Consumer Discretionary
Industry:
Irish Packaging & Containers
Company Profile:
Jazz Pharmaceuticals plc
Market Cap (USD):
$6.62 B
Country:
Ireland
Sector:
Irish Healthcare
Industry:
Irish Biotechnology
Company Profile:
DCC plc
Market Cap (USD):
$6.56 B
Country:
Ireland
Sector:
Irish Energy
Industry:
Irish Oil & Gas Refining & Marketing
Company Profile:
Alkermes plc
Market Cap (USD):
$4.76 B
Country:
Ireland
Sector:
Irish Healthcare
Industry:
Irish Biotechnology
Company Profile:
Glanbia plc
Market Cap (USD):
$3.82 B
Country:
Ireland
Sector:
Irish Consumer Staples
Industry:
Irish Packaged Foods
Company Profile:
UDG Healthcare plc
Market Cap (USD):
$3.77 B
(Aug. 1, 2021)
Country:
Ireland
Sector:
Irish Healthcare
Industry:
Irish Medical Care Facilities
Company Profile:
Perrigo Company plc
Market Cap (USD):
$3.74 B
Country:
Ireland
Sector:
Irish Healthcare
Industry:
Irish Drug Manufacturers—Specialty & Generic
Company Profile:
Grafton Group plc
Market Cap (USD):
$2.66 B
Country:
Ireland
Sector:
Irish Industrials
Industry:
Irish Building Products & Equipment