Polyard Petroleum International Group Polyard Petroleum International Group (formerly known as Kanstar Environmental Paper Products Holdings) (PPIG) is a company that provides oil and gas exploration and development services. | ![]() Black Sea Oil & Gas Black Sea Oil & Gas is a company, targeting exploration and development of conventional oil and gas resources. | ![]() Callon Petroleum Company Callon Petroleum Company, an independent oil and natural gas company, acquires, explores for, develops, and produces oil and natural gas properties in the Permian Basin in West Texas. | ![]() LLOG Exploration Company LLOG Exploration Company is a deepwater exploration company operating primarily in the Gulf of Mexico. | ||
Founding Date | Founding Date 2002 | Founding Date 2015 | Founding Date 1950 | Founding Date 2006 | Founding Date 1977 |
Type | Type Public | Type Subsidiary | Type Public | Type Public | Type Private |
Tags | |||||
Locations | Locations Hong Kong, HK HQ | Locations București, RO HQ Constanța, RO | Locations Houston, US HQ Houston, US Midland, US Natchez, US | Locations Oklahoma City, US HQ Oklahoma City, US | Locations Covington, US HQ Houston, US |
Employees | Employees 16 | Employees 1082% decrease | Employees 475118% increase | Employees 27013% decrease | Employees 1741% decrease |
Valuation ($) | Valuation ($) N/A | Valuation ($) N/A | Valuation ($) 2.4 b | Valuation ($) 410.5 m | Valuation ($) N/A |
Financial | |||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) $2.3b (FY, 2023) | Revenue (est.) $156.4m (FY, 2025) | Revenue (est.) N/A |
Net income | Net income N/A | Net income N/A | Net income $401.2m (FY, 2023) | Net income $70.2m (FY, 2025) | Net income N/A |

Black Sea Oil & Gas is a company, targeting exploration and development of conventional oil and gas resources.
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Callon Petroleum Company, an independent oil and natural gas company, acquires, explores for, develops, and produces oil and natural gas properties in the Permian Basin in West Texas.
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SandRidge Energy is an oil and natural gas company.
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LLOG Exploration Company is a deepwater exploration company operating primarily in the Gulf of Mexico.
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