Suncor 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. Our use of innovative technology has made us an industry leader in the energy business – and with a strong strategy for growth, Suncor offers a solid foundation for you to continue building your career. As an employer, Suncor is one of the best companies in Canada, providing tremendous future potential where talented people thrive and lead. As our business evolves, so do our employment opportunities. Our work culture includes a dynamic mix of newcomers and experienced professionals, with a diversity of skills and expertise from all parts of Canada.