Belco Technologies Corporation (BTC) - Elessent Clean Technologies Employee Directory
Environmental ServicesMissouri, United States11-50 Employees
Belco Technologies Corporation (BTC) is an environmental services company that operates as part of Elessent Clean Technologies, specializing in emission control for major oil refining processes. With more than 50 years of experience dating to 1968, BTC provides systems that reduce refinery emissions from flue gases. Its products address particulate matter as well as sulfur oxides and nitrogen oxides, helping meet environmental requirements. BTC's customers include refiners and related facilities that require reliable emissions control for units such as FCCUs, fired heaters, and boilers. Based in St. Louis, Missouri, the company operates as a smaller member of the Elessent Clean Technologies portfolio. One recent development is Elessent Clean Technologies' acquisition of Sulphurnet in 2025.