Prior to its acquisition by Marathon Petroleum on October 1, 2018, Andeavor (previously known as Tesoro Corporation) was a Fortune 100 and a Fortune Global 500 company headquartered in San Antonio, Texas, with 2017 annual revenues of $35 billion, and over 14,000 employees worldwide.
Beginning in the late 1990s, Tesoro grew through a series of acquisitions and initiatives that created Tesoro Corporation, the company focusing on a single core business: petroleum refining and marketing. Acquisitions expanded refining capacity from 72,000 barrels per day (11,400 m3/d) to approximately 664,000 barrels per day (105,600 m3/d).
Prior to its acquisition by Marathon Petroleum in 2018, Andeavor was the third-largest independent petroleum refining and marketing company in the United States.
2003: sold Tesoro Marine Services to Martin Midstream LLC: Tesoro Marine Services were operating fueling and supply terminals servicing US Gulf Coast oil and gas exploration - also made a series of refinery acquisitions that boosted the company's capacity output and positioned it for future expansion in key growth markets throughout the Western United States;
2005: largest capital expansion program in the corporation's history and record earnings;
2007: announcement of purchase of Shell's refinery at Los Angeles refinery and approximately 250 Southern California retail stations;
2016/17: Par Pacific Inc. rebrands its Tesoro and 76 gas stations as Hele.
2017: Tesoro announces that it will be changing its name to Andeavor following its acquisition of Western Refining. On August 1, 2017, the company changed its ticker symbol to "ANDV" from "TSO".
2018: Andeavor announces that they have entered into a definitive merger agreement with Marathon Petroleum Corporation under which Marathon Petroleum will acquire all of Andeavor's outstanding shares. The merger was closed on October 1.
Andeavor Corporation's executive management team comprises:
Gregory J. (Greg) Goff - Chairman, President and Chief Executive Officer
Steven M. Sterin - Executive Vice President and Chief Financial Officer
Cynthia J. (CJ) Warner - Executive Vice President of Operations
Phillip M. Anderson Jr. - Senior Vice President of Northern Area Value Chain
Paul Carlson - Senior Vice President of Southern Area Value Chain
Michael Morrison - Senior Vice President, Marketing
Keith M. Casey - Executive Vice President, Commercial & Value Chain
Brian Randecker - CFO of Refining & Senior Director of Investor Relations
Kim K.W. Rucker - Executive Vice President, General Counsel and Secretary; Interim Head of HR
Don J. Sorensen - Senior Vice President of Logistics
Nate Weeks - Senior Vice President of Strategy & Business Development
Having taken over BP installations, researchers at the Political Economy Research Institute identified Tesoro as being the 24th-largest corporate producer of air pollution in the United States, releasing roughly 3,740,000 lb (1,700 t) of toxic chemicals annually. Major pollutants emitted annually by the corporation include more than 400,000 lb (180 t) of sulfuric acid.
following which the Environmental Protection Agency named Tesoro a potentially responsible party for at least four superfund toxic waste sites.
Tesoro has settled and/or closed each of the superfund sites for which it has been named as one of many responsible parties. Tesoro was listed as a de minimis contributor to a superfund site in Abbeville, LA, and the site has since been closed by the EPA.
Defenders of the Amazon forest in South America cite Tesoro for sourcing some of their crude oil from the Amazon. Three of Tesoro's refineries- Anacortes (WA), LA (CA) and Golden Eagle (CA), are known to process Amazonian crude oil.