Diamond Petrochemicals


Who We Are

Diamond Petrochemicals Canada Corporation (“DPCC”) is a Canadian company with manufacturing facility located in Sarnia, Ontario. DPCC was established in 2020 to own and operate Canada’s sole 1,3-Butadiene extraction unit. 1,3-Butadiene is a raw material for synthetic rubber, and it is found in production of tires as well as in many essential industrial and consumer goods.

DPCC is a wholly owned subsidiary of Mitsubishi Corporation, one of the largest Japanese trading house. Our Philosophy and Principles are guided by our parent company and forms the foundation of our commitment to the stakeholders.

Mitsubishi Corporation is a globally integrated business enterprise that develops and operates businesses together with its offices and subsidiaries in approximately 90 countries and regions worldwide, as well as a global network of around 1,700 group companies. Mitsubishi Corporation has 10 Business Groups that operate across virtually every industry: Natural Gas, Industrial Materials, Petroleum & Chemicals, Mineral Resources, Industrial Infrastructure, Automotive & Mobility, Food Industry, Consumer Industry, Power Solution and Urban Development. Through these 10 Business Groups, Mitsubishi Corporation’s current activities have expanded far beyond its traditional trading operations to include project development, production and manufacturing operations, working in collaboration with our trusted partners around the globe. 

CEO Message

DPCC upholds its commitment to environment, health and safety compliance. We believe our business partners and stakeholders share the same vision and practice of corporate social responsibility and place highest priority on key quality-of-life issues.