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View AT3 Resources's top competitors like Baytex Energy Corp., Canadian Natural Resources Limited (CNRL), and Crescent Point Energy.

Suncor
In 1967, we pioneered commercial development of Canada's oil sands – one of the largest petroleum resource basins in the world. Since then, Suncor has grown to become a globally competitive integrated energy company with a balanced portfolio of high-quality assets, a strong balance sheet and significant growth prospects. Suncor’s operations include oil sands development and upgrading, conventional and offshore oil and gas production, petroleum refining, and product marketing under the Petro-Canada brand. Our use of innovative technology has made us an industry leader in the energy business – and with a strong strategy for growth, Suncor offers a solid foundation for you to continue building your career. As an employer, Suncor is one of the best companies in Canada, providing tremendous future potential where talented people thrive and lead. As our business evolves, so do our employment opportunities. Our work culture includes a dynamic mix of newcomers and experienced professionals, with a diversity of skills and expertise from all parts of Canada.
Calgary, CA
Private
$38B Revenue
http://www.suncor.com
14.8K Employees
MAKE YOUR MARK WHILE YOU GROW YOUR CAREER At Canadian Natural we believe our employees are the key to unlocking asset potential. As one of the largest independent crude oil and natural gas producers in the world, our balanced mix of natural gas, light oil, heavy oil, in situ oil sands production and oil sands mining creates opportunity for people who want to be part of a challenging and competitive industry. Join our team as we continue to create value through innovation by “doing it right” with fun and integrity in North America, the North Sea, and Offshore Africa. Health and Safety At Canadian Natural, safety is a core value. We conduct all of our operations in a way that identifies, minimizes and mitigates harm to the health and safety of employees, contractors, the public and the environment. To learn more or to view our exciting career opportunities, visit: https://www.cnrl.com/careers/careers-with-canadian-natural/
Calgary, CA
Public
$24.7B Revenue
http://www.cnrl.com
10K Employees
CNQ Ticker
Pioneer Natural Resources is a leading independent natural resources company shaping the future of energy. We produce low-cost and low-carbon-intensity oil and natural gas from Texas’ Permian Basin to provide reliable energy resources to communities around the world. At Pioneer, we embrace the value of a hard day’s work and the importance of doing things the right way, every day. We are driven by our high ethical and safety standards, not short-term financial gains. We shape trends and set examples; we don't follow them. Here, your energy fuels our innovation. Our most important resource is our people, who are challenged and celebrated as unique individuals with vibrant perspectives, experiences, identities and contributions. Joining our organization, you’ll bring your expertise, talent and drive to a team as committed to changing the future as you are. Join our team at www.pxd.com/careers.
Irving, Texas, US
Public
$19.4B Revenue
http://www.pxd.com
2.2K Employees
PXD Ticker
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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