Paine Schwartz, a private equity firm, agreed to invest in Sterilex, a provider of disinfection and microbial control solutions. Financial terms were not disclosed. "In Paine Schwartz, we've found a partner with a successful track record of building food safety technology companies as well as a shared commitment to sustainability and human and animal health. Paine Schwartz's investment provides us the resources to build upon our strong foundation, capture growth opportunities in the markets we serve and enter new industries and geographies as we work to scale our differentiated food safety platform," Alex Josowitz, Sterilex CEO.