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Tesoro Corporation Employee Directory

Oil and GasTexas, United States1001-5000 Employees

Tesoro Corporation is an oil and gas company based in San Antonio, Texas. The company employs between 1,001 and 5,000 people. Tesoro acquired Western Refining and adopted the Andeavor name. In 2017, Tesoro acquired Virent to support its biofuels initiatives. The company operates within the oil and gas sector and pursues growth through acquisitions of other energy businesses.

Find Tesoro Corporation employees' phone numbers or email addresses

Tesoro Corporation Global Highlights

Location
Employees

North America
1.1K

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  • United States Of America
    1.1K
  • Mexico
    3
  • Trinidad And Tobago
    1

Europe
20

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  • Italy
    9
  • Poland
    3
  • United Kingdom Of Great Britain And Northern Ireland
    3
  • Croatia
    2
  • Switzerland
    1
  • Sweden
    1
  • Greece
    1

Asia
9

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  • Pakistan
    3
  • China
    2
  • Russian Federation
    1
  • Saudi Arabia
    1
  • India
    1
  • Singapore
    1

South America
5

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  • Venezuela
    2
  • Chile
    1
  • Ecuador
    1
  • Colombia
    1

Africa
4

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  • Somalia
    1
  • Uganda
    1
  • Nigeria
    1
  • South Africa
    1

Tesoro Corporation's Leadership

  • Ceo at Tesoro Corporation
    N. C.
    Ceo
    Mobile Phone
  • Chief Operating Officer at Tesoro Corporation
    J. A.
    Chief Operating Officer
    Mobile Phone
  • Vice President Manufacturing at Tesoro Corporation
    A. B.
    Vice President Manufacturing
    Mobile Phone
  • President at Tesoro Corporation
    J. L.
    President
    Mobile Phone
  • Owner And Managing Director at Tesoro Corporation
    K. K.
    Owner And Managing Director
    Mobile Phone
  • Owner at Tesoro Corporation
    C. C.
    Owner
    Mobile Phone
  • Owner at Tesoro Corporation
    G. G.
    Owner
    Mobile Phone
  • Chairman at Tesoro Corporation
    N. M.
    Chairman
    Mobile Phone

Tesoro Corporation Employee Metrics

100%
50%
0%
2026
2025
  • Engineering
  • Analytics
  • Operations
  • Program & Project Management
  • Accounting
  • Other
  • Civil Engineering & Construction
  • Administrative
  • Supply Chain

Contact profiles from Tesoro Corporation

Name
Title
Contact
Location
Last Update
  • Owner And Managing Director at Tesoro Corporation
    K. K.
    Owner And Managing Director
    Mobile Phone
    Greece
    Apr 17, 2026
  • Chief Operating Officer at Tesoro Corporation
    J. A.
    Chief Operating Officer
    Mobile Phone
    Russia
    Jul 08, 2026
  • Owner at Tesoro Corporation
    C. C.
    Owner
    Mobile Phone
    Oct 23, 2024
  • Owner at Tesoro Corporation
    G. G.
    Owner
    Mobile Phone
    Oct 21, 2024
  • President at Tesoro Corporation
    J. L.
    President
    Mobile Phone
    Oct 22, 2024
  • Chairman at Tesoro Corporation
    N. M.
    Chairman
    Mobile Phone
    Oct 16, 2024
  • Owner at Tesoro Corporation
    W. K.
    Owner
    Mobile Phone
    Oct 17, 2024
  • Ceo at Tesoro Corporation
    N. C.
    Ceo
    Mobile Phone
    Nigeria
    Apr 15, 2026
  • Vice President Manufacturing at Tesoro Corporation
    A. B.
    Vice President Manufacturing
    Mobile Phone
    Oct 16, 2024
  • Vice President at Tesoro Corporation
    R. M.
    Vice President
    Mobile Phone
    Oct 17, 2024

Frequently Asked Questions

What is Tesoro Corporation known for?

Minus sign iconPlus sign iconTesoro Corporation was founded in 1968 and operates in the Oil and Gas industry. You can contact Tesoro Corporation's main corporate office by phone at
+1-210-626-****
. Explore Tesoro Corporation's company overview page for more information.

What is Tesoro Corporation's most common email format?

Minus sign iconPlus sign iconTesoro Corporation employees' email format typically follows the pattern of FLast@tsocorp.com. Trying to find reliable and up-to-date employee contact data? Find more Tesoro Corporation email formats with LeadIQ.

How many employees does Tesoro Corporation have currently?

Minus sign iconPlus sign iconTesoro Corporation has approximately 2K employees as of August 2026. These team members are located across 5 continents, including North America, Europe and Asia.

Who are Tesoro Corporation's key employees and leadership?

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As of August 2026, Tesoro Corporation's key employees include:

  • Ceo: N. C.
  • Chief Operating Officer: J. A.
  • Vice President Manufacturing: A. B.
  • President: J. L.
  • Owner And Managing Director: K. K.

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