It operates three lubricants and specialties facilities in Mississauga (15,600 bbl/d), Petrolia, Pennsylvania and in the Netherlands.

[6][7] In February 2017, the company acquired Suncor Energy's Petro-Canada Lubricants unit in Mississauga, Ontario, Canada for C$1.125 billion.

[8] In early 2019, HollyFrontier acquired Sonneborn, a manufacturer of food grade white mineral oils and waxes in Petrolia, Pennsylvania, for $655 million.

[9] In June 2020, HollyFrontier announced its Cheyenne refinery will cease processing petroleum, instead shifting production solely to renewable fuel, with the loss of approximately 200 workers.

[12] The succeeding company, HF Sinclair Corporation, finalized the merger in December 2023.