![]() CKX Lands CKX Lands owns land and mineral interests and collects income through its ownership in the form of oil and gas royalties, surface leases for farming, right of way and other uses, and timber sales. | ![]() Cobalt International Energy Cobalt International Energy is a global exploration and production company. | Stepchange Global Stepchange Global is a company that specializes in digital transformation and integrated operations in oil and gas and mining. | Questerre Energy Questerre Energy is a company engaged in the field of acquisition, exploration, and development of oil and gas. | ||
Founding Date | Founding Date 1930 | Founding Date 2005 | Founding Date 2001 | Founding Date 2000 | Founding Date N/A |
Type | Type Public | Type Private | Type Private | Type Private | Type Private |
Tags | |||||
Locations | Locations Lake Charles, US HQ | Locations Houston, US HQ | Locations Esher, GB HQ | Locations Calgary, CA HQ | Locations Milton, AU HQ |
Employees | Employees N/A | Employees 1281% decrease | Employees 5 | Employees N/A | Employees 1713% increase |
Financial | |||||
Revenue (est.) | Revenue (est.) $838.5k (FY, 2025) | Revenue (est.) $53.9m (FY, 2017) | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) N/A |
Net income | Net income $3m (FY, 2025) | Net income ($968.3m) (FY, 2017) | Net income N/A | Net income N/A | Net income N/A |

Cobalt International Energy is a global exploration and production company.
View companyStepchange Global is a company that specializes in digital transformation and integrated operations in oil and gas and mining.
View companyQuesterre Energy is a company engaged in the field of acquisition, exploration, and development of oil and gas.
View companyCarbon Energy is a company that specializes in underground coal gasification.
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