Tervita is a private company based out of Alberta, Canada that specializes in energy and environmental waste services. It was co-founded by David P. Werklund as Concord Well Servicing in 1979. It became Canadian Crude Separators Corporation (CCS Corp.) in 1984. In 2012, twelve companies under CCS Corporation, to include CCS Midstream Services and Hazco, formed under Tervita. The company offers services to include oil field waste disposal, landfill remediation, demolition, metals recycling, water treatment, civil and environmental construction, oil sands exploration, construction drilling and oil spill clean-up. It serves clients with locations throughout Canada and the United States. In 1979, David Werklund and Gordon Vivian started Concord Well Servicing out of Valleyview, Alberta. With an investment from Werklund, CCS was formed in 1984, providing oil waste services. Hazco which provided water and environmental services was formed in 1989. Five years later CCS became a publicly traded company. Over the years Hazco and CCS acquire several energy and environmental waste-related companies. CCS would acquire Hazco in 2004. In 2007, CCS renames itself CCS Corporation and goes private. In 2012, the twelve similar companies combine under CCS Corporation and form Tervita.