Evidence linked
Operators
EOG Resources
Independent oil and natural-gas producer with a multi-basin U.S. unconventional portfolio and selected international operations.
Resources
Exploration & production
Companies that explore for, develop, and produce oil and natural gas, from basin-focused independents to integrated global operators.
- Profiles
- 5
- System layer
- resources
- Reviewed
- Sep 4, 2026
Role in the system
What this sector controls
Operators turn subsurface rights, capital, drilling programs, and production infrastructure into marketable hydrocarbons. Their portfolios connect geology and field execution to gathering systems, refineries, LNG plants, and commodity markets.
Use this sector to distinguish producers by operating scope, basin and regional footprint, commodity mix, technical capabilities, and the adjacent service or infrastructure companies they depend on.
Evidence-backed directory
Operators companies
Evidence linked
Operators
ConocoPhillips
Global independent exploration and production company spanning conventional, unconventional, oil-sands, and LNG-linked resources.
Evidence linked
Operators
Devon Energy
U.S.-focused independent producer developing a diversified portfolio of major onshore oil and natural-gas resource plays.
Evidence linked
Operators
EQT Corporation
Appalachian natural-gas producer with infrastructure connecting Marcellus and Utica production to downstream markets.
Evidence linked
Operators
PETRONAS
Malaysia's national oil and gas company with an integrated global portfolio across upstream, gas, LNG, downstream, chemicals, maritime, and lower-carbon energy.