Founded 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.
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
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
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
Carbochem IncEstablished in 1984, privately held Carbochem Inc. supplies activated carbon, ion-exchange resins and specialty industrial chemicals from its Philadelphia headquarters to customers in more than 20 countries. Its distinctive role is pairing proprietary grades and filter designs with technical support aimed at solving production problems, optimizing processes and lowering total costs. Carbochem has maintained a manufacturing base in China since 1987 and has supplied activated carbon to the sugar industry for more than 30 years.WYNNEWOOD, PA