Char Technologies Ltd. is a cleantech development and services company engaged in biocarbon development activity. The firm operates through the Cleantech and Engineering Services segments. It offers SulfaCHAR, a gas-cleaning solution that removes hydrogen sulfide from renewable natural gas, Cleanfyre, a carbon neutral coal replacement and equipment for industrial air and water treatment. The company was founded by Andrew White and Don Kirk in 2011 and is headquartered in Toronto, Canada.