Company lists · Data verified August 2026
Top 25 Oil and gas companies in Canada
This directory contains 65 oil and gas companies in Canada, with company information covering 15,080 contacts and 5,303 email addresses. Calgary is the single most-represented city among the listed companies, and the directory was published or updated in August 2026.
Oil and gas companies explore for, extract, process, transport, store, refine, or market crude oil, natural gas, and related petroleum products. This list covers companies primarily engaged in oil and gas exploration, production, processing, transportation, storage, refining, marketing, or related operations. Ranked by team size, largest first. Data current as of August 28, 2026.
The 25 largest oil and gas companies in Canada
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Cenovus Energy | 3,530 |
| 2 |  Imperial OIL | 655 |
| 3 |  Encana Corporation | 161 |
| 4 |  Gran Tierra Energy | 195 |
| 5 |  Paramount Resources | 312 |
| 6 |  Obsidian Energy LTD | 118 |
| 7 |  Tamarack Valley Energy LTD TVE | 101 |
| 8 |  Valeura Energy INC | 30 |
| 9 | Petro-Canada Fuels | 1 |
| 10 |  Barrel OIL Corp | 34 |
| 11 |  Calroc Industries | 15 |
| 12 |  Cygnet Energy LTD | 17 |
| 13 | Enerchem International INC | 24 |
| 14 |  Petrus Resources LTD | 18 |
| 15 | Brion Energy | 10 |
| 16 |  Yangarra Resources LTD | 10 |
| 17 |  Westbrick Energy LTD | 11 |
| 18 | Headwater Exploration | 10 |
| 19 |  Western Basin Energy Corporation | 11 |
| 20 |  Barnwell Of Canada, Limited | 9 |
| 21 |  Tangle Creek Energy LTD | 3 |
| 22 |  BOE Report | 2 |
| 23 |  Gear Energy LTD | 7 |
| 24 |  Sintana Energy Inc. Tsxv SEI AIM SEI Otcqx Seusf | 4 |
| 25 |  Tonmoor | 1 |
| 26 |  Hamdon Energy Solutions | 5 |
| 27 | Record Resources INC | 2 |
| 28 | Deergarden Resources LTD | 2 |
Showing 25 of 65 oil and gas companies in Canada
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Oil and gas companies in Canada at a glance
As of Aug 28, 2026Companies by employee count
Companies by metro
| Metro | Companies |
|---|---|
| Oil and gas companies in Calgary | 42 |
| Oil and gas companies in Edmonton | 2 |
| Oil and gas companies in Toronto | 2 |
| Oil and gas companies in North Vancouver | 2 |
| Oil and gas companies in Lloydminster | 1 |
| Oil and gas companies in Woodbridge | 1 |
| Oil and gas companies in Wainwright | 1 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “oil and gas companies”, with match quality audited by blind human judging, and headquartered in Canada.
- 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
- Contact records re-verify on a rolling cadence; 26 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many oil and gas companies are in the directory?
The directory contains 65 oil and gas companies in Canada.
Where are the listed oil and gas companies located?
The list covers oil and gas companies in Canada. Calgary is the single most-represented city among the listed companies.
How can I find contacts at oil and gas companies?
The directory includes 15,080 contacts and 5,303 email addresses for the listed oil and gas companies.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.