- In October 2023, Solenis acquired Cedarchem's headquarters in Cedartown, Georgia. CedarChem offers a variety of highly customized water and wastewater products designed for the industrial and municipal markets, with a specific focus on serving the U.S. Southeast With this acquisition, the company has strengthened its market position in the United States.
- In December 2021, Ecolab Inc. closed the acquisition of Purolite, a global provider of ion exchange resins for the separation and purification of solutions for pharmaceutical and industrial applications. US-based Purolite has a presence in more than 30 countries
