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 Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
31 Surge Energy Inc. $451.9 M Canada Canadian Energy Canadian Oil & Gas E&P
32 ShaMaran Petroleum Corp $451.3 M Canada Canadian Energy Canadian Oil & Gas E&P
33 Leucrotta Exploration, Inc. $439.0 M

(June 1, 2022)

 Canada Canadian Energy Canadian Oil & Gas E&P
34 Altura Energy, Inc. $437.9 M Canada Canadian Energy Canadian Oil & Gas E&P
35 Obsidian Energy Ltd. $409.9 M Canada Canadian Energy Canadian Oil & Gas E&P
36 PetroShale, Inc. $397.2 M

(June 1, 2022)

 Canada Canadian Energy Canadian Oil & Gas E&P
37 Frontera Energy Corporation $382.4 M Canada Canadian Energy Canadian Oil & Gas E&P
38 TransGlobe Energy Corporation $268.2 M

(Oct. 1, 2022)

 Canada Canadian Energy Canadian Oil & Gas E&P
39 InPlay Oil Corp. $187.0 M Canada Canadian Energy Canadian Oil & Gas E&P
40 NG Energy International Corp $173.9 M Canada Canadian Energy Canadian Oil & Gas E&P
41 Gran Tierra Energy Inc. $173.5 M Canada Canadian Energy Canadian Oil & Gas E&P
42 Pine Cliff Energy Ltd. $168.1 M Canada Canadian Energy Canadian Oil & Gas E&P
43 Petrus Resources Ltd. $132.3 M Canada Canadian Energy Canadian Oil & Gas E&P
44 Hemisphere Energy Corp $130.3 M Canada Canadian Energy Canadian Oil & Gas E&P
45 Reconnaissance Energy Africa Ltd $101.0 M Canada Canadian Energy Canadian Oil & Gas E&P
46 Journey Energy Inc. $99.4 M Canada Canadian Energy Canadian Oil & Gas E&P
47 Questerre Energy Corporation $97.4 M Canada Canadian Energy Canadian Oil & Gas E&P
48 Bonterra Energy Corp. $97.1 M Canada Canadian Energy Canadian Oil & Gas E&P
49 Gear Energy Ltd. $90.7 M

(Jan. 1, 2025)

 Canada Canadian Energy Canadian Oil & Gas E&P
50 Yangarra Resources Ltd. $76.0 M Canada Canadian Energy Canadian Oil & Gas E&P
51 Arrow Exploration Corp $71.2 M Canada Canadian Energy Canadian Oil & Gas E&P
52 Canacol Energy Ltd. $64.0 M Canada Canadian Energy Canadian Oil & Gas E&P
53 Forza Petroleum Limited $64.0 M

(Jan. 1, 2024)

 Canada Canadian Energy Canadian Oil & Gas E&P
54 Touchstone Exploration Inc. $54.8 M Canada Canadian Energy Canadian Oil & Gas E&P
55 Africa Energy Corp $52.7 M Canada Canadian Energy Canadian Oil & Gas E&P
56 Eco (Atlantic) Oil & Gas Ltd. $39.4 M Canada Canadian Energy Canadian Oil & Gas E&P
57 New Stratus Energy, Inc. $37.2 M Canada Canadian Energy Canadian Oil & Gas E&P
58 CGX Energy, Inc. $23.7 M Canada Canadian Energy Canadian Oil & Gas E&P
59 Southern Energy Corp $14.8 M Canada Canadian Energy Canadian Oil & Gas E&P
60 Crew Energy Inc. Canada Canadian Energy Canadian Oil & Gas E&P

Top Oil & Gas E&P Companies from Canada as of Jul. 01, 2025

31. Surge Energy Inc.

Company Profile: Surge Energy Inc.
Market Cap (USD): $451.9 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

32. ShaMaran Petroleum Corp

Company Profile: ShaMaran Petroleum Corp
Market Cap (USD): $451.3 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

33. Leucrotta Exploration, Inc.

Company Profile: Leucrotta Exploration, Inc.
Market Cap (USD): $439.0 M (June 1, 2022)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

34. Altura Energy, Inc.

Company Profile: Altura Energy, Inc.
Market Cap (USD): $437.9 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

35. Obsidian Energy Ltd.

Company Profile: Obsidian Energy Ltd.
Market Cap (USD): $409.9 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

36. PetroShale, Inc.

Company Profile: PetroShale, Inc.
Market Cap (USD): $397.2 M (June 1, 2022)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

37. Frontera Energy Corporation

Company Profile: Frontera Energy Corporation
Market Cap (USD): $382.4 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

38. TransGlobe Energy Corporation

Company Profile: TransGlobe Energy Corporation
Market Cap (USD): $268.2 M (Oct. 1, 2022)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

39. InPlay Oil Corp.

Company Profile: InPlay Oil Corp.
Market Cap (USD): $187.0 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

40. NG Energy International Corp

Company Profile: NG Energy International Corp
Market Cap (USD): $173.9 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

41. Gran Tierra Energy Inc.

Company Profile: Gran Tierra Energy Inc.
Market Cap (USD): $173.5 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

42. Pine Cliff Energy Ltd.

Company Profile: Pine Cliff Energy Ltd.
Market Cap (USD): $168.1 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

43. Petrus Resources Ltd.

Company Profile: Petrus Resources Ltd.
Market Cap (USD): $132.3 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

44. Hemisphere Energy Corp

Company Profile: Hemisphere Energy Corp
Market Cap (USD): $130.3 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

45. Reconnaissance Energy Africa Ltd

Company Profile: Reconnaissance Energy Africa Ltd
Market Cap (USD): $101.0 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

46. Journey Energy Inc.

Company Profile: Journey Energy Inc.
Market Cap (USD): $99.4 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

47. Questerre Energy Corporation

Company Profile: Questerre Energy Corporation
Market Cap (USD): $97.4 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

48. Bonterra Energy Corp.

Company Profile: Bonterra Energy Corp.
Market Cap (USD): $97.1 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

49. Gear Energy Ltd.

Company Profile: Gear Energy Ltd.
Market Cap (USD): $90.7 M (Jan. 1, 2025)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

50. Yangarra Resources Ltd.

Company Profile: Yangarra Resources Ltd.
Market Cap (USD): $76.0 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

51. Arrow Exploration Corp

Company Profile: Arrow Exploration Corp
Market Cap (USD): $71.2 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

52. Canacol Energy Ltd.

Company Profile: Canacol Energy Ltd.
Market Cap (USD): $64.0 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

53. Forza Petroleum Limited

Company Profile: Forza Petroleum Limited
Market Cap (USD): $64.0 M (Jan. 1, 2024)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

54. Touchstone Exploration Inc.

Company Profile: Touchstone Exploration Inc.
Market Cap (USD): $54.8 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

55. Africa Energy Corp

Company Profile: Africa Energy Corp
Market Cap (USD): $52.7 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

56. Eco (Atlantic) Oil & Gas Ltd.

Company Profile: Eco (Atlantic) Oil & Gas Ltd.
Market Cap (USD): $39.4 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

57. New Stratus Energy, Inc.

Company Profile: New Stratus Energy, Inc.
Market Cap (USD): $37.2 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

58. CGX Energy, Inc.

Company Profile: CGX Energy, Inc.
Market Cap (USD): $23.7 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

59. Southern Energy Corp

Company Profile: Southern Energy Corp
Market Cap (USD): $14.8 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

60. Crew Energy Inc.

Company Profile: Crew Energy Inc.
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

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