1. Medtronic plc

The medical device company Medtronic-Covidien became the largest Ireland-based company when it began trading on the New York Stock Exchange in 2015. Following Medtronic Inc’s $49.9 billion acquisition of Dublin-domiciled surgical supplies group Covidien, the Minneapol...

2. DCC

The DCC group provides sales, marketing, distribution and business support services and operates across five divisions: Energy, SerCom (which encompasses IT and entertainment products) Healthcare, Environmental and Food and Beverage.

3. MSD

MSD Ireland is one of the country’s leading healthcare companies, having first established here over 50 years ago. MSD, known as Merck & Co. Inc., Kenilworth, NJ, USA in the US and Canada, has operations in more than 140 countries and employs over 2,500 people in Irela...

4. Pfizer

Pfizer is a research-based pharmaceutical multinational. The company was one of the first pharmaceutical companies to locate in Ireland (1969). The Irish operations manufacture some of Pfizer’s best-selling and newest medicines including Viagra (urology), Sutent (oncolo...

5. Perrigo

Headquartered in Ireland, Perrigo Company plc is a global healthcare supplier that develops, manufactures and distributes over-the-counter (OTC) and generic prescription (Rx) pharmaceuticals, infant formulas, nutritional products, animal health, dietary supplements, ac...

6. Boston Scientific

Founded in 1979, Boston Scientific is now one of the world’s largest medical device companies. Focusing on less invasive medicine, it operates within four primary business divisions: Cardiology, Rhythm and Vascular; Endoscopy; Urology & Women's Health, and Neuropath...

7. Abbott Laboratories

Abbott Vascular is a healthcare company focused on advancing the treatment of vascular disease. The company's line of vascular devices–which includes vessel closure, endovascular and coronary technologies–are used to treat vessel diseases of the heart, carotid arteries ...

8. Icon Plc

ICON is a global provider of outsourced development services to the pharmaceutical, biotechnology and medical device industries. It specialises in the strategic development, management and analysis of programs that support clinical development - from compound selection ...

9. Alexion Pharmaceuticals

Headquartered in Cheshire, Connecticut (USA), Alexion is global biopharmaceutical company focused on the development and delivery of life-transforming therapies for patients with severe and life-threatening rare disorders.

10. Gilead Sciences

Gilead Sciences is a biopharmaceutical company that develops and commercialises therapeutics products. Gilead's Irish operations are responsible for manufacturing, quality control, packaging, and the release and distribution of the company's products in the EU and other...

11. BD

BD began operations in Drogheda in 1964 and is the longest established medical technology multinational company supported by the Industrial Development Agency (IDA). BD opened a second plant in Dun Laoghaire in 1969. The company's two Irish plants manufacture healthcare...

12. Uniphar

In 1994 United Pharmacists Co-Op merged with Allied Pharmaceutical Distributors (APD) to form the UniPhar Group. APD and UPC were both founded by pharmacists in 1972 and 1967 respectively. Today, the roots of the UniPhar Group remain in community pharmacy and owners...

13. Depuy

Depuy Ireland is a subsidiary of healthcare corporation Johnson & Johnson. DePuy’s products are primarily used by orthopaedic specialists and spinal neurosurgeons to treat patients with musculoskeletal conditions resulting from degenerative diseases, deformities, trauma...

14. UDG Healthcare

UDG Healthcare plc is a provider of outsourced commercialisation solutions to healthcare companies operating across four areas of expertise. The company announced plans to buy the healthcare communications business of KnowledgePoint360 for €105 million in February 20...

15. Biomarin

BioMarin develops and commercialises innovative biopharmaceuticals for rare diseases driven by genetic causes.

16. Teleflex

Teleflex Medical Europe Limited is part of Teleflex, a manufacturer of disposable medical products for critical care and surgical applications. Teleflex Medical Europe Limited manufactures, sells and distributes disposable medical devices produced by the Group's comp...

17. Alkermes

Alkermes is a provider of innovative medicines that address the unmet needs and challenges of people living with debilitating diseases. As a fully integrated global biopharmaceutical company, Alkermes applies its scientific expertise, proprietary technologies, and globa...

18. Bristol-Myers Squibb

Bristol Myers Squibb is a leading global biopharma company focused on discovering, developing and delivering innovative medicines for patients with serious diseases in areas including oncology, haematology, immunology, cardiovascular and neuroscience. Our employees work...

19. Servier (Ireland)

Located in Arklow, Servier (Ireland) Industries Ltd has been in operation since 1989 and is a key strategic site for the Servier group. More than 400 staff are employed at its state-of-the-art manufacturing facility. The plant produces finished pharmaceutical produc...

20. Almac Group

Almac is a pharmaceutical service provider with over 30 years experience. The company provides a range of services including research and development, pharmaceutical testing and clinical trials as well as the commercialisation of pharmaceutical products. The company has...