What departments does Tesoro Corporation have?

Tesoro Corporation has employees across 17 departments including Entrepreneurship, Operations, Manufacturing, Analytics, Marketing.

What is the largest department at Tesoro Corporation?

The largest department at Tesoro Corporation is Program & Project Management with 6 employees.

Where are Tesoro Corporation employees located globally?

Tesoro Corporation has employees across 6 continents and 25 countries including Somalia, Uganda, Nigeria, South Africa, Russian Federation.

How has Tesoro Corporation's team size changed over time?

Tesoro Corporation's team has decreased from approximately 3.1K to 1K employees based on available data.

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Tesoro Corporation Employee Directory

Q: Who are Tesoro Corporation's key employees and leadership?

Tesoro Corporation's key employees include: Ceo: N. C., Chief Operating Officer: J. A., Vice President Manufacturing: A. B., President: J. L.

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.

Tesoro Corporation Global Highlights

North America
1.1K

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

Europe
20

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

Asia
9

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

South America
5

Venezuela
2
Chile
1
Ecuador
1
Colombia
1

Africa
4

Somalia
1
Uganda
1
Nigeria
1
South Africa
1

Tesoro Corporation's Leadership

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

Tesoro Corporation Employee Metrics

100%

50%

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

T. B.
Manager
Mobile Phone
Email
Oct 21, 2024
W. A.
Lead Communications Specialist
Mobile Phone
Email
Oct 23, 2024
T. B.
Documentation Manager
Mobile Phone
Email
May 30, 2026
E. M.
Senior Project Engineer
Mobile Phone
Email
Puerto Rico
Sep 01, 2026
A. K.
Senior Master Data Analyst
Mobile Phone
Email
Oct 22, 2024
C. H.
Senior Environmental Engineer
Mobile Phone
Email
Jun 25, 2026
G. B.
Senior Cyber Security Analyst
Mobile Phone
Email
May 08, 2023
J. K.
Senior Recruiting Coordinator
Mobile Phone
Email
Oct 16, 2024
J. N.
Senior Human Resources Business Partner
Mobile Phone
Email
K. S.
Senior Refinery Accountant
Mobile Phone
Email
Oct 16, 2024

Frequently Asked Questions

What is Tesoro Corporation known for?

Tesoro 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?

Tesoro 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?

Tesoro 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?

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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Tesoro Corporation Employee Directory

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