It was created by Marcel Mérieux in 1897 under the name Institut Biologique Mérieux (Mérieux Biological Institute). The vaccine development branch of the institute was separated early on and is now part of Sanofi Pasteur.,, The current name was changed in 2009 from Mérieux Alliance. The holding is owned through the Mérieux Alliance company at 68% by Alain and Alexandre Mérieux and at 32% by the Christophe and Rodolphe Mérieux foundation (different from the Mérieux foundation).
- BioMérieux, created by Alain Mérieux in 1963, owned at 59%
- Mérieux NutriSciences, renamed from the acquired Chicago-based company Silliker, and encompassing the Biofortis and Bioagri companies, owned at 70% by the holding
- Transgene "designs and develops therapeutic vaccines and immunotherapy products to treat cancers and infectious diseases" and is owned at 55% by the holding
- Advanced BioScience Laboratories, Inc, an unlisted company dedicated to research and development of infectious diseases, AIDS in particular; owned entirely by the holding
- Mérieux Développement
- IMAccess a not for profit company dedicated to the development, production and supply of rapid diagnostic tests to developing countries, owned entirely by the holding
- "A shared vision - History". Institut Mérieux. Archived from the original on 5 May 2012. Retrieved 16 May 2014.
- "Histoire de Sanofi" (PDF) (in French). Archived (PDF) from the original on 17 May 2014. Retrieved 17 May 2014.
- "Timeline of Institut Mérieux" (JPG). Institut Mérieux. Archived from the original on 17 May 2014. Retrieved 16 May 2014.
- "Organization chart". Mérieux Institute. Retrieved 17 May 2014.
- "Institut Mérieux An International Presence". Retrieved 16 May 2014.
- "History of Mérieux NutriSciences". Retrieved 16 May 2014.
- "Transgene company". Mérieux Institute. Retrieved 16 May 2014.
- "ABL, Inc society". Mérieux Institute. Retrieved 16 May 2014.
- "IMAccess company". Mérieux Institute. Retrieved 16 May 2014.
- History page on the Fondation Mérieux website