Jacobi 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.
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Haycarb PLCFounded in 1973, Sri Lanka’s Haycarb PLC manufactures coconut shell-based activated carbon and develops purification solutions for customers worldwide. Its network spans manufacturing operations in Sri Lanka, Thailand and Indonesia, with marketing offices serving more than 50 countries and annual production capacity exceeding 58,500 metric tons. Haycarb also regenerates spent carbon to at least 97% of its original adsorption capacity through its ISO 9001- and ISO 14001-certified CK Regen facility in Thailand.OAKDALE, PA
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
Black Opal CarbonsBlack Opal Carbons began in 2010 as a joint venture between a privately owned Indian coconut-shell carbon manufacturer and experienced entrepreneurs from the activated-carbon industry. Its Pittsburgh-based North American operation is part of a group with company-owned production facilities in India, where annual capacity reaches 50 million pounds; the business is known for supplying coconut-shell activated carbon to industrial and municipal customers, including mining companies and water-treatment users.PITTSBURGH, PA
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