Current Licensees:
- Accenture
- ADMA
- Amerada Hess Malaysia
- BJ Services
- BP
- Cairn Energy India
- Centurion
- CEPSA
- Chevron
- CNOOC SES Indonesia
- ConocoPhillips
- Chinese Petroleum Corporation (Taiwan)
- Daesung Industries
- Devon Energy Company
- Ghana National Petroleum Corporation
- Global Geophysical
- Halliburton Digital Solutions (Landmark)
- Hindustan Petroleum Corporation Ltd.
- Husky Energy
- IEOC
- Infosys
- INPEX
- Korea National Oil Corporation
- Kuwait Petroleum Corporation
- Landmark Pakistan
- Libyan Petroleum Institute
- MedcoEnergie
- Methanex
- MOL Hungarian Oil & Gas Company
- North Alamein Petroleum Company
- National Oil Corporation (Libya)
- Oildata Wireline Services Ltd.
- Pan American Energy LLC Sucursal Argentina
- Pertamina E&P
- PetroCanada
- Petro SA
- Petroleum Agency SA
- Petronas Carigali
- Petrotrin
- PITC (Kazakhstan)
- PTTEP
- Reliance Industries Ltd.
- Roc Oil
- SASOL Petroleum
- Saudi Aramco
- Schlumberger
- Shell Nigeria
- Shell Technology India Pvt. Ltd.
- Sonatrach
- Superior Iraq Oil Services
- Talisman Energy Inc.
- Teknica
- Thrace Basin Natural Gas Company
- Tullow South Africa (Pty) Ltd.
- VS Fusion
- Wintershall
- ZADCO