Ensign Energy Services
Calgary-based oil well drilling and servicing company
Ensign Energy Services Inc. is a publicly traded Canadian company that provides oilfield services for the North American and international market. Founded in 1987, Ensign is headquartered in Calgary, Alberta. Ensign's Common Shares are publicly traded though the facilities of the Toronto Stock Exchange under the trading symbol ESI.
Global Operations
Ensign is one of the world's land-based drilling and well servicing contractors serving crude oil, natural gas and geothermal operators. The company’s premium service is focused on contract drilling with complementary services such as directional drilling, underbalanced and managed pressure drilling, rental equipment, well servicing and production services. Today, the company owns 302 drilling rigs and 102 service rigs across the globe. It has more than 5,000 employees, the majority of whom are field-based.
History
1987 to 2007
Ensign was founded in 1987 as Ensign Resource Service Group. It listed on the Toronto Stock Exchange in 1993. In the second quarter of 2005, the company changed its name from Ensign Resource Service Group to its current name.
Begin with the source’s own compact description: “Ensign Energy Services” is calgary-based oil well drilling and servicing company. The dossier treats that line as a proposition to test through Ensign, Energy and Services, not as a finished interpretation.
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Chronology, provenance and viewpoint should be read together before a broad social or political interpretation is accepted. The source revision retrieved here is dated Jun 15, 2026. The linked authority identifier is Q5379999. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1987, 2007, 1993 and 2005.
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This entry incorporates text from “Ensign Energy Services” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.