What Does Frontier Oil Do?

Total employees58
HeadquartersHouston
FoundedN/A

Frontier Oil Corporation was an independent energy company engaged in crude oil refining and the wholesale marketing of refined petroleum products in the United States, primarily in the Rocky Mountain and Mid-Continent regions. Its main assets included refineries in Cheyenne, Wyoming, and El Dorado, Kansas. Frontier Oil had roots dating back to 1949, with the company known as Frontier Oil Corporation being formed in 1999 (formerly Wainoco Oil Corporation). It was a publicly traded company on the New York Stock Exchange (NYSE: FTO) until it merged with Holly Corporation in July 2011 to form HollyFrontier Corporation, which subsequently rebranded as HF Sinclair Corporation in 2022.

Where Is Frontier Oil's Headquarters?

HQ Function

Served as the corporate headquarters, housing executive leadership, strategic planning, financial operations, investor relations, and administrative functions for the company's refining and marketing business.

Notable Features:

A modern office space typical for a corporation of its size in the energy sector, facilitating its nationwide operations management.

Work Culture:

Likely fostered a results-oriented culture focused on operational efficiency, safety in its refining operations, and responsiveness to commodity market dynamics, common in the oil and gas industry.

HQ Significance:

The headquarters was the central decision-making hub for Frontier Oil's investments, operational strategies, and corporate governance until its merger with Holly Corporation.

Values Reflected in HQ: The headquarters likely aimed to reflect professionalism, industry competence, and financial stewardship, values important for a publicly traded energy company.

Location:

Frontier Oil Corporation's operations were concentrated within the United States. Its primary activities involved refining crude oil and marketing petroleum products in the Rocky Mountain states (e.g., Colorado, Wyoming, Utah) and the Mid-Continent region (e.g., Kansas, Oklahoma, Missouri). The company did not have significant international upstream or downstream operations under the Frontier Oil brand, focusing its resources on its domestic refining assets and wholesale marketing network.

Street Address:

10000 Memorial Drive, Suite 600

City:

Houston

State/Province:

Texas

Country:

USA

Where Else Does Frontier Oil Operate Around the World?

Cheyenne, Wyoming, USA

Address: 300 W. Lincolnway, Cheyenne, WY 82001 (approximate address for refinery area)

Supplied refined petroleum products to Wyoming, Colorado, and surrounding states, playing a key role in the regional energy infrastructure.

El Dorado, Kansas, USA

Address: 1401 S. Douglas Rd, El Dorado, KS 67042 (approximate address for refinery area)

Served markets in Kansas, Oklahoma, and other central US states, contributing to the refined product supply chain in the region.

Buying Intent Signals for Frontier Oil

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Frontier Oil? Meet the Executive Team

As of April 2025, Frontier Oil' leadership includes:

James R. (Jim) Gibbs - Chairman, President and Chief Executive Officer
Michael C. (Mike) Jennings - Executive Vice President and Chief Financial Officer
Doug Aron - Senior Vice President, Corporate Development and Treasurer

Who's Investing in Frontier Oil?

Frontier Oil has been backed by several prominent investors over the years, including:

As a publicly traded company on the New York Stock Exchange (NYSE: FTO) prior to its 2011 acquisition, Frontier Oil Corporation's investors included a mix of institutional investors (such as mutual funds, pension funds, and investment management firms) and individual public shareholders.

What Leadership Changes Has Frontier Oil Seen Recently?

Hire0
Exits0

Executive activity and news for Frontier Oil Corporation in its final year of independent operation (roughly July 2010 - July 2011) were predominantly centered around its merger with Holly Corporation. The existing leadership team remained largely stable to navigate this significant corporate transition, which led to the formation of HollyFrontier Corporation.

Departures

James R. Gibbs, Role at Frontier Oil Corporation ceased following the company's acquisition by Holly Corporation and the formation of HollyFrontier.
Various Frontier Oil Executives and Board Members, Positions at Frontier Oil Corporation ended with the completion of the merger. Some individuals took on new responsibilities within HollyFrontier, while others pursued different opportunities.

New Appointments:

N/A, As Frontier Oil Corporation ceased to exist as an independent entity, new appointments related to its assets and operations occurred within the successor company, HollyFrontier Corporation (now HF Sinclair).

What Technology (Tech Stack) Is Used byFrontier Oil?

Discover the tools Frontier Oil uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Frontier Oil Email Formats and Examples

Frontier Oil Corporation was acquired in 2011, and its corporate email domain (e.g., frontieroil.com) is no longer active. Historical email formats for companies of that era commonly used patterns like first initial and last name, or first name dot last name.

Speculative historical formats: [first_initial][last]@frontieroil.com or [first].[last]@frontieroil.com

Format

jdoe@frontieroil.com (example, domain inactive)

Example

0%

Success rate

What's the Latest News About Frontier Oil?

ReutersFebruary 21, 2011

Holly to merge with Frontier Oil in $7 billion deal

Holly Corp and Frontier Oil Corp agreed to merge in an all-stock deal valued at about $7 billion including debt, creating a major independent U.S. refiner. The combined company would be named HollyFrontier Corp....more

SEC Filing / Company Press ReleaseJuly 1, 2011

Holly Corporation and Frontier Oil Corporation Complete Merger of Equals

Holly Corporation (NYSE: HOC) and Frontier Oil Corporation (NYSE: FTO) today announced the successful completion of their merger of equals. The combined company is named HollyFrontier Corporation and began trading on the New York Stock Exchange under the ticker symbol HFC on July 1, 2011....more

PR Newswire / Frontier Oil Press Release (via SEC Filing)May 5, 2011

Frontier Oil Corporation Reports First Quarter 2011 Results

Frontier Oil Corporation reported its financial results for the first quarter ended March 31, 2011, showing net income and discussing refinery throughputs ahead of its planned merger with Holly Corporation....more

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