Michel Henri Marie Defourny

Unipar Indupa SAIC engages in the provision of advanced materials and specialty chemicals. It operates through the following segments: Advance Formulations, Advanced Materials, Performance Chemicals, and Corporate and Business Services. The Advance Formulations segment serves primarily the consumer goods, agro and food, and energy markets. The Advanced Materials segment offers high-performance materials for multiple applications primarily in the automotive, aerospace, electronics, and health markets. The Performance Chemicals segment focuses on mature and resilient markets and has positions in chemical intermediates. The Corporate and Business Services segment includes corporate and other business services, such as the research and innovation center. The company was founded on September 16, 1948 and is headquartered in Buenos Aires, Argentina.

Solvay France SA engages in the production of specialty chemicals. The company was founded in 1863 and is headquartered in Paris, France.

Solvay Quimica SL engages in production of sodium carbonate and other derivatives of sodium. Its product portfolio includes caustic soda, sodium chloride, chlorine, sodium hypochlorite, hydrochloric acid, and soda ash. The company was founded in 1908 and is headquartered in Torrelavega, Spain.