Petro-Canada Lubricants Inc. A Suncor Energy business. Petro-Canada Lubricants operates one of the largest base oil refineries in the world – one of five refineries in North America owned by Suncor Energy, the fifth largest integrated energy company on the continent. Our products start from 99.9% pure base oils that go beyond today’s standards, delivering greater purity, durability and performance. With over 350 premium quality lubricants, specialty fluids and greases, we fulfill the needs of many of the world’s leading companies in virtually every industry in over 70 countries around the globe. From Rack Back, Customer Order Fulfillment and Rack Forward to OEMS and Training, each business unit within Petro-Canada Lubricants plays an integral role in our continued success.