Canada

Top 65 largest Canadian Companies in the Oil & Gas E&P industry by Market Cap

This is the list of the largest public listed companies in the Oil & Gas E&P industry from Canada by market capitalization with links to their reference stock.

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Top Oil & Gas E&P Companies from Canada as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
1 Canadian Natural Resources Limited $71.63 B Canada Canadian Energy Canadian Oil & Gas E&P
2 Tourmaline Oil Corp. $17.34 B Canada Canadian Energy Canadian Oil & Gas E&P
3 ARC Resources Ltd. $11.03 B Canada Canadian Energy Canadian Oil & Gas E&P
4 Whitecap Resources Inc. $10.51 B Canada Canadian Energy Canadian Oil & Gas E&P
5 Crescent Point Energy Corp. $5.27 B

(July 1, 2024)

 Canada Canadian Energy Canadian Oil & Gas E&P
6 MEG Energy Corp. $4.79 B

(July 1, 2025)

 Canada Canadian Energy Canadian Oil & Gas E&P
7 PrairieSky Royalty Ltd. $4.60 B Canada Canadian Energy Canadian Oil & Gas E&P
8 Peyto Exploration & Development Corp. $3.33 B Canada Canadian Energy Canadian Oil & Gas E&P
9 Enerplus Corporation $3.09 B

(Jan. 1, 2024)

 Canada Canadian Energy Canadian Oil & Gas E&P
10 Tamarack Valley Energy Ltd. $2.92 B Canada Canadian Energy Canadian Oil & Gas E&P
11 NuVista Energy Ltd. $2.64 B Canada Canadian Energy Canadian Oil & Gas E&P
12 Baytex Energy Corp. $2.55 B Canada Canadian Energy Canadian Oil & Gas E&P
13 Athabasca Oil Corporation $2.53 B Canada Canadian Energy Canadian Oil & Gas E&P
14 Paramount Resources Ltd. $2.52 B Canada Canadian Energy Canadian Oil & Gas E&P
15 International Petroleum Corporation $2.08 B Canada Canadian Energy Canadian Oil & Gas E&P
16 Freehold Royalties Ltd. $1.83 B Canada Canadian Energy Canadian Oil & Gas E&P
17 Headwater Exploration Inc. $1.66 B Canada Canadian Energy Canadian Oil & Gas E&P
18 Saturn Oil & Gas, Inc. $1.54 B

(Oct. 1, 2021)

 Canada Canadian Energy Canadian Oil & Gas E&P
19 Birchcliff Energy Ltd. $1.48 B Canada Canadian Energy Canadian Oil & Gas E&P
20 Advantage Energy Ltd $1.43 B Canada Canadian Energy Canadian Oil & Gas E&P
21 Parex Resources Inc. $1.34 B Canada Canadian Energy Canadian Oil & Gas E&P
22 Vermilion Energy Inc. $1.32 B Canada Canadian Energy Canadian Oil & Gas E&P
23 Kelt Exploration Ltd. $1.14 B Canada Canadian Energy Canadian Oil & Gas E&P
24 Spartan Delta Corp $1.10 B Canada Canadian Energy Canadian Oil & Gas E&P
25 Africa Oil Corp. $930.7 M

(July 1, 2025)

 Canada Canadian Energy Canadian Oil & Gas E&P
26 Cardinal Energy Ltd. $796.3 M

(July 1, 2025)

 Canada Canadian Energy Canadian Oil & Gas E&P
27 Vital Energy, Inc. $693.4 M

(Dec. 1, 2025)

 Canada Canadian Energy Canadian Oil & Gas E&P
28 Altura Energy, Inc. $634.3 M Canada Canadian Energy Canadian Oil & Gas E&P
29 Valeura Energy Inc. $630.1 M Canada Canadian Energy Canadian Oil & Gas E&P
30 Storm Resources Ltd. $609.3 M

(Dec. 1, 2021)

 Canada Canadian Energy Canadian Oil & Gas E&P

Top Oil & Gas E&P Companies from Canada as of Jan. 01, 2026

1. Canadian Natural Resources Limited

Company Profile: Canadian Natural Resources Limited
Market Cap (USD): $71.63 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

2. Tourmaline Oil Corp.

Company Profile: Tourmaline Oil Corp.
Market Cap (USD): $17.34 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

3. ARC Resources Ltd.

Company Profile: ARC Resources Ltd.
Market Cap (USD): $11.03 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

4. Whitecap Resources Inc.

Company Profile: Whitecap Resources Inc.
Market Cap (USD): $10.51 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

5. Crescent Point Energy Corp.

Company Profile: Crescent Point Energy Corp.
Market Cap (USD): $5.27 B (July 1, 2024)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

6. MEG Energy Corp.

Company Profile: MEG Energy Corp.
Market Cap (USD): $4.79 B (July 1, 2025)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

7. PrairieSky Royalty Ltd.

Company Profile: PrairieSky Royalty Ltd.
Market Cap (USD): $4.60 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

8. Peyto Exploration & Development Corp.

Company Profile: Peyto Exploration & Development Corp.
Market Cap (USD): $3.33 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

9. Enerplus Corporation

Company Profile: Enerplus Corporation
Market Cap (USD): $3.09 B (Jan. 1, 2024)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

10. Tamarack Valley Energy Ltd.

Company Profile: Tamarack Valley Energy Ltd.
Market Cap (USD): $2.92 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

11. NuVista Energy Ltd.

Company Profile: NuVista Energy Ltd.
Market Cap (USD): $2.64 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

12. Baytex Energy Corp.

Company Profile: Baytex Energy Corp.
Market Cap (USD): $2.55 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

13. Athabasca Oil Corporation

Company Profile: Athabasca Oil Corporation
Market Cap (USD): $2.53 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

14. Paramount Resources Ltd.

Company Profile: Paramount Resources Ltd.
Market Cap (USD): $2.52 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

15. International Petroleum Corporation

Company Profile: International Petroleum Corporation
Market Cap (USD): $2.08 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

16. Freehold Royalties Ltd.

Company Profile: Freehold Royalties Ltd.
Market Cap (USD): $1.83 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

17. Headwater Exploration Inc.

Company Profile: Headwater Exploration Inc.
Market Cap (USD): $1.66 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

18. Saturn Oil & Gas, Inc.

Company Profile: Saturn Oil & Gas, Inc.
Market Cap (USD): $1.54 B (Oct. 1, 2021)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

19. Birchcliff Energy Ltd.

Company Profile: Birchcliff Energy Ltd.
Market Cap (USD): $1.48 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

20. Advantage Energy Ltd

Company Profile: Advantage Energy Ltd
Market Cap (USD): $1.43 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

21. Parex Resources Inc.

Company Profile: Parex Resources Inc.
Market Cap (USD): $1.34 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

22. Vermilion Energy Inc.

Company Profile: Vermilion Energy Inc.
Market Cap (USD): $1.32 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

23. Kelt Exploration Ltd.

Company Profile: Kelt Exploration Ltd.
Market Cap (USD): $1.14 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

24. Spartan Delta Corp

Company Profile: Spartan Delta Corp
Market Cap (USD): $1.10 B
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

25. Africa Oil Corp.

Company Profile: Africa Oil Corp.
Market Cap (USD): $930.7 M (July 1, 2025)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

26. Cardinal Energy Ltd.

Company Profile: Cardinal Energy Ltd.
Market Cap (USD): $796.3 M (July 1, 2025)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

27. Vital Energy, Inc.

Company Profile: Vital Energy, Inc.
Market Cap (USD): $693.4 M (Dec. 1, 2025)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

28. Altura Energy, Inc.

Company Profile: Altura Energy, Inc.
Market Cap (USD): $634.3 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

29. Valeura Energy Inc.

Company Profile: Valeura Energy Inc.
Market Cap (USD): $630.1 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

30. Storm Resources Ltd.

Company Profile: Storm Resources Ltd.
Market Cap (USD): $609.3 M (Dec. 1, 2021)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

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