Tesoro Corporation

organization

marketing, logistics and refining company

Tesoro Corporation, known briefly as Andeavor, 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. Based on 2017 revenue, the company ranked No. 90 in the 2018 Fortune 500 list of the largest United States corporations by total revenue.