Company Story
1984 - Par Pacific Holdings, Inc. was founded as Houston-based oil and gas company, Delta Petroleum Corporation.
1990 - Delta Petroleum Corporation acquired by American Exploration Company.
1997 - American Exploration Company merged with Pacific Energy Partners to form Pacific Energy Partners LP.
2002 - Pacific Energy Partners LP acquired by Castle Harbour LLC.
2009 - Castle Harbour LLC rebranded as Par Pacific Holdings, Inc.
2012 - Par Pacific Holdings, Inc. acquired Tesoro Hawaii, LLC, a subsidiary of Tesoro Corporation.
2013 - Par Pacific Holdings, Inc. acquired 33.7% interest in Piceance Energy, LLC.
2018 - Par Pacific Holdings, Inc. acquired U.S. Oil & Refining Co. and its subsidiaries.
2020 - Par Pacific Holdings, Inc. acquired certain assets of Wyoming Refining Company.