Ensign Energy Services
Ensign Energy Services Inc. is a Canadian company that specializes in oilfield services for both North American and international markets. Founded in 1987 and headquartered in Calgary, Alberta, Ensign is publicly traded on the Toronto Stock Exchange under the symbol ESI. The company employs over 4,000 people, primarily in field-based roles. Ensign offers a wide range of services, including contract drilling, directional drilling, and well servicing. Its fleet features advanced rigs like the ADRĀ® 1500S for horizontal drilling and the fully automated ASR 150 service rig. The company also provides rental equipment to support drilling and well servicing operations. Ensign is recognized for its technological innovations, particularly through its Ensign Edge technology suite, which enhances drilling performance and operational efficiency. With a fleet of over 302 drilling rigs and 102 service rigs, Ensign serves crude oil, natural gas, and geothermal operators globally. The company reported a revenue of approximately CAD 1.68 billion, reflecting its significant presence in the oil and gas industry.
Work at Ensign Energy Services in HR or recruiting? Claim this page
Headcount trend
Ensign Energy Services went from 1,040 employees in Jul 2023 to 1,001 in Jun 2025. Last 6 months: 14 people joined, 22 left.
Org structure
Headcount by department
H-1B sponsorship
Peer reviews
Worked with someone at Ensign Energy Services?
Anonymous peer reviews on OffTheRecord
Similar companies
Ensign Energy Services FAQ
How many employees does Ensign Energy Services have?
Ensign Energy Services has about 1,001 employees, up 0.1% over the 3 months to Jun 2025.
Does Ensign Energy Services sponsor H1B visas?
Yes. Ensign Energy Services filed 1 H1B (LCA) application in FY2026, according to the latest U.S. Department of Labor disclosures. It was for a Healthcare role.
What is Ensign Energy Services's revenue per employee?
Ensign Energy Services makes about $1.21M in revenue per employee, based on $1.21B annual revenue and 1,001 employees.
Is Ensign Energy Services a public company?
Yes. Ensign Energy Services is publicly traded under the ticker ESI on TSX.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles. Updated 11 Oct 2026.