As an AI language model, I can provide information based on the latest available data. However, please note that the revenue figures might vary depending on the source and can change over time. Here are ten of the top pharmaceutical companies by revenue in recent years:
1. Johnson & Johnson
2. Pfizer Inc.
3. Roche Holding AG
4. Novartis AG
5. Merck & Co., Inc.
6. Sanofi S.A.
7. AbbVie Inc.
8. GlaxoSmithKline plc
9. Bristol-Myers Squibb Company
10. AstraZeneca plc
Please note that this information may not be up to date, and it is always recommended to check the latest financial reports or consult reliable sources for the most accurate and current data.