1. Johnson & Johnson:
    • Market Cap: Approximately $455 billion
    • Revenue: Over $82 billion (Fiscal Year 2020)
    • Description: Diversified healthcare company involved in pharmaceuticals, medical devices, and consumer health products.
    • Global Locations: Headquarters in New Brunswick, New Jersey, USA, with operations worldwide.
  2. Pfizer Inc.:
    • Market Cap: Approximately $220 billion
    • Revenue: Over $41 billion (Fiscal Year 2020)
    • Description: Global pharmaceutical company engaged in research, development, and marketing of various drugs and vaccines.
    • Global Locations: Headquarters in New York City, USA, with operations worldwide.
  3. Novartis AG:
    • Market Cap: Approximately $200 billion
    • Revenue: Over $48 billion (Fiscal Year 2020)
    • Description: Swiss multinational pharmaceutical company involved in research, development, and manufacturing of healthcare products.
    • Global Locations: Headquarters in Basel, Switzerland, with operations worldwide.
  4. Roche Holding AG:
    • Market Cap: Approximately $300 billion
    • Revenue: Over $60 billion (Fiscal Year 2020)
    • Description: Swiss biotech and pharmaceutical company specializing in oncology, diagnostics, and other therapeutic areas.
    • Global Locations: Headquarters in Basel, Switzerland, with operations worldwide.
  5. Merck & Co., Inc.:
    • Market Cap: Approximately $210 billion
    • Revenue: Over $51 billion (Fiscal Year 2020)
    • Description: Global pharmaceutical company focusing on innovative medicines and vaccines.
    • Global Locations: Headquarters in Kenilworth, New Jersey, USA, with operations worldwide.
  6. UnitedHealth Group Incorporated:
    • Market Cap: Approximately $400 billion
    • Revenue: Over $257 billion (Fiscal Year 2020)
    • Description: Health insurance and healthcare services provider.
    • Global Locations: Headquarters in Minnetonka, Minnesota, USA, with operations mainly in the United States.
  7. AstraZeneca PLC:
    • Market Cap: Approximately $160 billion
    • Revenue: Over $26 billion (Fiscal Year 2020)
    • Description: British-Swedish pharmaceutical company focusing on research and development of drugs for various therapeutic areas.
    • Global Locations: Dual headquarters in Cambridge, UK, and Gothenburg, Sweden, with operations worldwide.
  8. Moderna, Inc.:
    • Market Cap: Approximately $170 billion
    • Revenue: Over $803 million (Fiscal Year 2020)
    • Description: Biotechnology company specializing in mRNA-based vaccines and therapeutics.
    • Global Locations: Headquarters in Cambridge, Massachusetts, USA, with operations worldwide.
  9. Abbott Laboratories:
    • Market Cap: Approximately $220 billion
    • Revenue: Over $34 billion (Fiscal Year 2020)
    • Description: Global healthcare company with a broad range of products, including diagnostics, medical devices, and nutrition products.
    • Global Locations: Headquarters in Abbott Park, Illinois, USA, with operations worldwide.
  10. Eli Lilly and Company:
    • Market Cap: Approximately $185 billion
    • Revenue: Over $24 billion (Fiscal Year 2020)
    • Description: Pharmaceutical company focused on research, development, and marketing of human pharmaceuticals.
    • Global Locations: Headquarters in Indianapolis, Indiana, USA, with operations worldwide.