- Company type
- Public
- Traded as
- NYSE : MRK DJIA component S&P 100 component S&P 500 component
- Industry
- Pharmaceuticals
- Founded
- January 1891 ; 135 years ago ( 1891-01 ) , as a subsidiary of Merck 1917 ; 109 years ago ( 1917 ) , as an independent company
- Founders
- Theodore Weicker George Merck
- Headquarters
- Rahway, New Jersey , U.S.
- Area served
- Worldwide
- Key people
- Robert M. Davis ( chairman , president and CEO ) Caroline Litchfield ( CFO ) Dean Y. Li (president, Merck Research Laboratories)
- Products
- Pharmaceuticals generic drugs over-the-counter drugs vaccines diagnostics Veterinary medicine
- Revenue
- US$ 65.01 billion (2025)
- Operating income
- US$21.22 billion (2025)