KX Technologies
ManufacturingConnecticut, United States51-200 Employees
KX Technologies is a manufacturing company that specializes in filtration solutions, offering filtration technologies and custom-designed filtration systems through close collaboration with its customers. It operates one of the world's largest solid-state extrusion facilities for producing activated carbon filters, anchored by its KXT MATRIKX extruded carbon product. The business traces its origins to 1989 as a Limited Partnership between Exxon Chemical Corporation and KT Corporation and is now part of Marmon Holdings, a Berkshire Hathaway company, based in West Haven, Connecticut in the Northeast. As a global provider of filtration solutions, the company serves customers seeking reliable filtration systems for consumer and residential applications, addressing issues of water safety and taste through activated-carbon media. Its development approach centers on collaboration with customers to drive new filtration technologies and systems. In 2026, it announced a partnership with Filtrex Technologies to co-develop advanced residential filtration solutions.
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