Largest biotech companies

Hello sir I would like to know the names of largest biotech companies of world so please provide me suitable information about the same.

[Pathak]

A biotechnology company is a company whose products or services primarily use biotechnology methods for their production, design or delivery.

World’s largest biotech companies

Johnson & Johnson United States

Roche Switzerland

Novartis Switzerland

Pfizer United States

Novo Nordisk Denmark

Gilead Sciences United States

Merck United States

Allergan, Plc United States

Amgen United States

Bristol-Myers Squibb United States

Bayer Germany

Sanofi France

GlaxoSmithKline United Kingdom

Eli Lilly & Co United States

AbbVie United States

Celgene United States

AstraZeneca United Kingdom

Biogen Idec United States

Abbott Laboratories United States

Regeneron Pharmaceuticals Inc United States

Teva Pharmaceutical Israel

Alexion Pharmaceuticals United States

Shire Pharmaceuticals Ireland

Valeant Pharmaceuticals Canada

Mylan United States