20??—present
| UNKNOWN YEAR |
| Predecessors: Sanofi-Synthélabo | Aventis (Hoechst | Rhône-Poulenc)
Subsidiaries: Sanofi Pasteur | Sanofi Genzyme | Chattem | Medley | Opella Current brands: Former/defunct brands: |
| UNKNOWN YEAR |
| Predecessors: Sanofi-Synthélabo | Aventis (Hoechst | Rhône-Poulenc)
Subsidiaries: Sanofi Pasteur | Sanofi Genzyme | Chattem | Medley | Opella Current brands: Former/defunct brands: |