Oil & Gas Companies
| Rank | Company (Year End) | Revenue ($000) | % Change Revenue |
| 1 | Suncor Energy(De11) | 39,790,000 | 8 |
| 2 | Imperial Oil(De11) | 30,714,000 | 22 |
| 3 | Husky Energy(De11) | 24,774,000 | 36 |
| 4 | Cenovus Energy(De11) | 16,664,000 | 21 |
| 5 | Cdn. Natural Resources(De11) | 15,548,000 | 6 |
| 6 | Syncrude Canada(De11) | 11,383,000 | 21 |
| 7 | Ultramar Ltd.(De11) | 10,110,000 | 46 |
| 8 | EnCana Corp.(De11) 1 | 8,813,000 | -5 |
| 9 | Talisman Energy(De11) 1 | 8,266,000 | 4 |
| 10 | Nexen Inc.(De11) | 6,464,000 | 11 |
Gas & Electrical Utilities
| Rank | Company (Year End) | Revenue ($000) | % Change Revenue |
| 1 | Hydro-Quebec(De11) | 12,392,000 | -1 |
| 2 | Direct Energy Marketing Ltd.(De10) | 9,480,000 | -13 |
| 3 | Ontario Power Generation(De11) | 5,570,000 | -8 |
| 4 | B.C. Hydro & Power(Ma11) | 4,078,000 | 1 |
| 5 | Fortis Inc.(De11) | 3,787,000 | 3 |
| 6 | Just Energy Group(Ma11) | 3,469,828 | 51 |
| 7 | ENMAX Corp.(De11) | 3,109,100 | 29 |
| 8 | Canadian Utilities(De11) | 3,039,000 | 11 |
| 9 | Toronto Hydro Corp.(De11) | 2,813,143 | 7 |
| 10 | TransAlta Corp.(De11) | 2,687,000 | -1 |
Notes: For ranking purposes, results of companies that report in foreign currencies have been converted to Canadian dollars and partial-year results have been annualized. Foreign currencies are converted at the average rate for the relevant period.
- Company reports in U.S. dollars.
- Company reports in U.K. pounds.
- Figures have been annualized in latest year.
- Figures have been annualized in previous year.
- Figures have been annualized in previous three through five years.
The Top 1000 rankings in ROB Magazine and this website only provide a limited snapshot of data for the top 1000 companies in Canada. The full database provides a complete guide to corporate performance in Canada, with comprehensive shareholder information and can be purchased here. This year, Report on Business magazine is offering four individual products for download. Compatible with most spreadsheet software programs, the download files are indispensable tools for business development, sales targeting, and investing.