1. Pfizer – Developed the COVID-19 vaccine in collaboration with BioNTech.
2. Moderna – Developed the COVID-19 vaccine.
3. AstraZeneca – Developed the COVID-19 vaccine in partnership with the University of Oxford.
4. Johnson & Johnson – Developed the COVID-19 vaccine.
5. Novavax – Developed a COVID-19 vaccine candidate.
6. Merck & Co. – Developed the antiviral drug, Molnupiravir, for COVID-19.
7. Eli Lilly – Developed the monoclonal antibody treatment, bamlanivimab, for COVID-19.
8. Regeneron – Developed the monoclonal antibody treatment, REGN-COV2, for COVID-19.
9. AbbVie – Developed Skyrizi, a medication for psoriasis.
10. Gilead Sciences – Developed Remdesivir, an antiviral drug for COVID-19.
Please note that this list is based on recent significant developments by pharmaceutical companies and may vary based on the timeframe and criteria used for evaluation.