Suncor | 428,820 followers on LinkedIn. We are Canada's leading integrated energy company. Nous sommes la plus importante société énergétique intégrée du Canada | In 1967, we pioneered commercial development of Canada's oil sands – one of the largest petroleum resource basins in the world. Since then, Suncor has grown to become a globally competitive integrated energy company with a balanced portfolio of high-quality assets, a strong balance sheet and significant growth prospects. Suncor’s operations include oil sands development and upgrading, conventional and offshore oil and gas production, petroleum refining, and product marketing under the Petro-Canada brand.