Company lists · Data refreshed November 2026

Top 25 Onshore oil and gas operators based in Canada

RevenueBase identified 105 company matches for onshore oil and gas operators associated with Canada as of November 2026 and tracks 11,051 professional contacts across them, including 5,341 with verified work emails. Calgary is the largest hub.

This list covers company matches for onshore oil and gas operators associated with Canada, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
105Companies
11,051Contacts tracked
5,341Verified emails
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The 25 largest onshore oil and gas operators based in Canada

Ranked by team size
Top 25 of 105 company matches for onshore oil and gas operators based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 20265,001-10,0006,695 contacts →

Exact match

“Cenovus Energy Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026501-1,000867 contacts →

Exact match

“Gran Tierra Energy Inc, together with its subsidiaries, is a company focused on oil and gas exploration and production in Azerbaijan, Canada, Colombia and Ecuador.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026201-500337 contacts →

Exact match

“Enerplus is an independent North American exploration and production company focused on developing our high-quality assets through a disciplined, returns-based capital program.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWinnipeg, MB, CanadaHQ recorded Nov 6, 2026201-500287 contacts →

Exact match

“Tundra Oil & Gas is a wholly-owned business of Winnipeg-based James Richardson & Sons, Limited (JRSL), a private family company established in 1857.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-200261 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026201-500183 contacts →

Exact match

“Obsidian Energy Ltd.(TSX / NYSE American: OBE) is an intermediate-sized oil and gas producer with a well-balanced portfolio of high-quality assets producing over 37,450 boe per…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-200165 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 202651-200160 contacts →

Exact match

“International Petroleum Corp.(IPC) is an international oil and gas exploration and production company with a high quality portfolio of assets located in Canada, Europe and South…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-200157 contacts →

Exact match

“Tamarack Valley Energy Ltd (TVE) is an oil & energy company based out of, Calgary, Alberta, Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-200150 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026201-500149 contacts →

Exact match

“NAL Resources Management Limited (the “Manager”) was established in 1990 and provides management services to NAL Resources Limited (“NAL Resources” or "NAL"), a private oil and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“Spartan is committed to creating value for its shareholders, focused on sustainability both in operations and financial performance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026501-1,00090 contacts →

Exact match

“Drilling Rig Manufacturer & Operation Solutions CanElson Drilling Inc.(“CanElson”) is a leading provider of oilfield services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-20086 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026201-50079 contacts →

Exact match

“Torxen is an exploration and production company focused on the development and optimization of conventional oil and gas assets in Southern Alberta.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202611-5048 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Barrel Oil Corp is a private integrated energy company engaged in exploration, production, and processing of crude oil, natural gas, and natural gas liquids.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026201-50044 contacts →

Exact match

“Savanna Well Servicing’s Canadian division has an exceptional track record of quality service and has operated in all plays through the Western Canadian Sedimentary Basin.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Rife is a private exploration and production company, wholly-owned by the CN Pension Trust Funds, the pension fund for employees of the Canadian National Railway Company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Heritage Royalty is one of Canada’s largest fee title acreage owners with approximately 4.8 million acres in Alberta, Saskatchewan and Manitoba.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“Mediterra Energy Corporation ("Mediterra") is a Canadian based international upstream Oil and Gas Company focused on exploration and development opportunities in Africa and the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“Petro-Canada Fuels is an oil and gas company based out of 1985 Merivale Road, Ottawa, Ontario, Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Lycos is an exploration, development and production company led by innovative, disruptive and technically astute professionals with a discerning ability to capitalize on…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 20261,001-5,00027 contacts →

Exact match

“Through our distinct business lines we can provide equipment and expertise for your drilling, completion, production, transportation, oil and gas process equipment and natural gas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Yangarra is a junior oil and gas company engaged in the exploration, development and production of natural gas and oil with operations in Western Canada, with a main focus on…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 105 onshore oil and gas operators based in Canada

See the full list, filter by size, metro and specialty, and access 5,341 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Onshore oil and gas operators based in Canada at a glance

As of Nov 6, 2026
48.3%Verified-email coverage
105.2Average contacts per company
11-50Median size (employees)
70.5%Largest-city concentration · Calgary
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
35
11-50
39
51-200
16
201-500
6
501-1,000
4
1,001-5,000
1
5,001-10,000
2

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 105 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Canada whose business descriptions match “onshore oil and gas operators” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 5,341 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Onshore oil and gas operators by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “onshore oil and gas operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many onshore oil and gas operators are there based in Canada?

RevenueBase identified 105 company matches for onshore oil and gas operators associated with Canada as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Cenovus Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most onshore oil and gas operators?

Calgary leads with 74 company records, followed by Vancouver (7) and Toronto (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,341 professional contacts with verified work emails tracked across these 105 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.