Insights

Biofuels Push Tesoro, now operating under the Andeavor brand after acquiring Western Refining, signals a strategic shift toward expanding their biofuels portfolio, presenting an opportunity to offer renewable fuels technology, feedstock optimization, and sustainability compliance solutions.

Midsize Scale With 1001-5000 employees and revenue in the 1B-10B range, Andeavor sits between small independents and large majors, suggesting a need for scalable, enterprise-grade solutions across operations, maintenance, and safety software tailored for mid‑to‑large refining and logistics teams.

Tech Stack Fit The current technology footprint including WordPress, MySQL, jQuery, and Nginx indicates opportunities for modernization services, cloud integration, data analytics, and cybersecurity enhancements to improve reliability, performance, and regulatory reporting.

Mergers and Growth Historical M&A activity, such as the Virent acquisition to bolster biofuels, points to a growth-oriented procurement cycle and potential refresh of ERP, CRM, supply chain, and compliance systems to support integrated operations.

Competitive Landscape Positioned alongside peers like Phillips 66 and PBF Energy, Andeavor faces competitive pressure in refining and energy transition initiatives, indicating value in differentiated solutions around efficiency optimization, emissions tracking, and renewable fuels strategy.

Tesoro Corporation Tech Stack

Tesoro Corporation uses 8 technology products and services including WordPress, MySQL, Twemoji, and more. Explore Tesoro Corporation's tech stack below.

  • WordPress
    Content Management System
  • MySQL
    Database
  • Twemoji
    Font Scripts
  • spin.js
    Javascript Frameworks
  • Modernizr
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • Google Maps
    Maps
  • Nginx
    Web Servers

Tesoro Corporation's Email Address Formats

Tesoro Corporation uses at least 1 format(s):
Tesoro Corporation Email FormatsExamplePercentage
FLast@tsocorp.comJDoe@tsocorp.com
61%
F.Last@tsocorp.comJ.Doe@tsocorp.com
26%
First.Last@tsocorp.comJohn.Doe@tsocorp.com
12%
Last@tsocorp.comDoe@tsocorp.com
1%

Frequently Asked Questions

What is Tesoro Corporation's phone number?

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You can contact Tesoro Corporation's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Tesoro Corporation's stock symbol?

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Tesoro Corporation is a publicly traded company; the company's stock symbol is TSORF.

What is Tesoro Corporation's official website and social media links?

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Tesoro Corporation's official website is tsocorp.com and has social profiles on LinkedIn.

What is Tesoro Corporation's SIC code NAICS code?

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Tesoro Corporation's SIC code is 1311 - Crude Petroleum and Natural Gas NAICS code is 211 - Oil and Gas Extraction.

How many employees does Tesoro Corporation have currently?

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As of July 2026, Tesoro Corporation has approximately 2K employees across 6 continents, including North AmericaEuropeAsia. Key team members include Ceo: N. C.Chief Operating Officer: J. A.Chief Master Technician & Crew Leader: M. M.. Explore Tesoro Corporation's employee directory with LeadIQ.

What industry does Tesoro Corporation belong to?

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Tesoro Corporation operates in the Oil and Gas industry.

What technology does Tesoro Corporation use?

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Tesoro Corporation's tech stack includes WordPressMySQLTwemojispin.jsModernizrjQueryGoogle MapsNginx.

What is Tesoro Corporation's email format?

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Tesoro Corporation's email format typically follows the pattern of FLast@tsocorp.com. Find more Tesoro Corporation email formats with LeadIQ.

When was Tesoro Corporation founded?

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Tesoro Corporation was founded in 1968.
Tesoro Corporation logo

Tesoro Corporation

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.

Section iconCompany Overview

Phone number
SIC Code
1311 - Crude Petroleum and Natural Gas
Stock Symbol
TSORF
NAICS Code
211 - Oil and Gas Extraction
Founded
1968
Employees
1001-5000

Section iconFunding & Financials

  • $1B$10B

    Tesoro Corporation's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    Tesoro Corporation's revenue is estimated to be in the range of $1B$10B

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