With more than 30 years of Japanese manufacturing experience, UNITIKA LTD. produces activated carbon fiber filters for water and air purification systems. Its proprietary melt-spinning technology and mold-free production support compact, high-flow filters tailored to customer requirements, including small production lots and custom dimensions. The company reports annual sales of more than 10 million filters, 1,000 custom-made products, and business in over 20 countries.
NSF Component
certification
USDA Certified Biobased Product
certification
Jacobi GroupJacobi Group manufactures activated carbon and related purification solutions, with a particular strength in coconut shell-based carbon for cleaning water, air and industrial gases. The Osaka Gas Chemicals subsidiary operates 20 manufacturing and processing facilities, two European reactivation plants and a workforce of more than 1,850 employees. Jacobi also supports customers with ion exchange resins, mobile filtration and reactivation services that help keep spent carbon in use.COLUMBUS, OH
Carbon Activated CorporationFounded in Los Angeles in 1993 by former carbon-factory lab technician Lionel Perera, Carbon Activated Corporation manufactures and distributes activated carbon while handling the filtration systems and services that put it to work. The privately owned company operates manufacturing plants in West Virginia and Sri Lanka, maintains laboratories in Los Angeles, and reactivates spent carbon at facilities in California and New York. Its water-treatment products carry NSF-61 certification and are manufactured to AWWA standards.BUFFALO, NY
Calgon Carbon CorporationFounded in 1942 to supply impregnated activated carbon for military protection, Pittsburgh-based Calgon Carbon Corporation manufactures activated carbon and related purification systems for liquid- and vapor-phase applications. Its carbon technologies serve more than 700 applications, while its reactivation program recycles spent carbon and its technical teams support treatment projects from the company’s Innovation Center and global network. Calgon Carbon employs approximately 1,750 people and has operated as a wholly owned Kuraray subsidiary since 2018.325998MOON TOWNSHIP, PA
Walker FiltrationWalker Filtration designs and manufactures purification solutions for compressed air, gas and vacuum systems, with its global headquarters in Washington, Tyne & Wear. The company has more than 40 years of experience, has manufactured over 2.2 million products and serves customers in more than 100 countries. Its Washington operation combines product development, engineering, testing and certification, while its OEM-focused manufacturing is supported by ISO 9001 accreditation maintained for more than 20 years.ERIE, PA