Brenntag

MilliporeSigma supplies chemicals, reagents, and consumables to research labs. The Sigma-Aldrich catalog — over 300,000 compounds — is a familiar reference for every chemist. Now integrated under Merck KGaA's life science division.

INEOS grew through acquisitions of chemical assets from BP, BASF, and ICI. Producing ethylene oxide, polyethylene, PVC, and specialty chemicals across 180+ sites in 26 countries.

Merck KGaA (distinct from US Merck) supplies semiconductor materials: photoresists, dielectrics, and OLED emitter materials. Our liquid crystals power most LCD displays. The company is the oldest continuously operating pharma firm, founded 1668.