Spotlight On: ESCO Technologies

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ESCO Technologies, headquartered in St. Louis, is a global provider of highly engineered products and solutions to diverse and growing end-markets that include the defense, aerospace, space, wireless, consumer electronics, healthcare, automotive, electric utility and renewable energy industries. The company consists of three technology-driven business segments – Aerospace & Defense, Utility Solutions Group and RF Test & Measurement. This month, the Clean Air Partnership is pleased to recognize ESCO Technologies for its responsibilities to mitigate environmental impact, protect its workers, improve the supply chain and enhance the communities they serve, all of which earned them recognition in the 2023 St. Louis Green Business Challenge at the Leader Level.

“Participating in the Challenge for the second year helped us find additional ways we can make ESCO and our employees more sustainable,” said Justin Prien, ESCO Technologies Director of Environmental Health and Safety. “We look forward to next year’s Challenge to help us further reduce our environmental footprint and benefit the communities where we operate.”

During the 2023 Challenge, ESCO Technologies participated in Operation Clean Stream at Castlewood State Park – one of the country’s most significant and longest-running river restoration projects – to encourage community engagement and conservation. To spark further engagement in sustainability efforts, the company gave all its employees native wildflowers, LED light bulbs and reusable cutlery sets for Earth Day and shared the many benefits of planting native plants, conserving energy with LED light bulbs and moving away from disposable cutlery. Additionally, ESCO Technologies created an internal SharePoint site for employees to access information on the company’s eco-conscious business practices and how to become more sustainable at both work and at home.

Other noteworthy accomplishments that helped earn them recognition in the Challenge include the implementation of a K-Cup recycling program that collected 79 pounds of used product, as well as newly installed water bottle filling stations that saved a total of 7,649 plastic water bottles. ESCO Technologies also published its 2022 Environment, Social and Governance (ESG) report and began reporting on hazardous waste generation as a part of the company’s environmental footprint metrics. The data showed reduced carbon intensity from 20.0 to 18.3 metric tons of carbon dioxide equivalent (MTCO2e) per million dollars of revenue, from 2021 to 2022. This unit of measurement is used to compare the environmental impact and global warming potential of different greenhouse gases.

For more information on ESCO Technologies and how your company can get involved in the St. Louis Green Business Challenge, subscribe to the Challenge’s bi-monthly E-Newsletter or visit To learn more about the link between sustainability and air quality, explore the Clean Air Partnership’s website, like us on Facebook or follow us on X, formerly known as Twitter, @gatewaycleanair.