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About PTT

Quality Management Systems

Quality Safety and Occupational Health Environment

ISO 9001:2015 Quality Management Systems (MASCI-certified)​
Date of Issue Division/Area
2021 Khao Bo Ya LPG Terminal*
2021 Sriracha Oil Terminal*
2021 Ban Rong Po LPG Terminal*
2021 Khanom Gas Separation Plant
2022 Rayong Gas Separation Plant
2021 Natural Gas Vehicle Division, Natural Gas Vehicle Operation (a total of 11 stations nationwide)
2021 Natural Gas Transmission

ISO/IEC 17025:2017 Testing and Calibration Laboratories (MASCI-certified)
Date of Issue Division/Area
2022 PTT Innovation Institute
2021 Machinery Maintenance Section, Rayong Gas Separation Plant
2020 Gas Quality Measurement and Control Section, Natural Gas Transmission
2020 Equipment Maintenance Section, Natural Gas Transmission
2020 Quality Control Section, Rayong Gas Separation Plant
2022 Natural Gas Vehicle Division, Natural Gas Vehicle Calibration Center
*Certification is requested by PTT Oil and Retail Business Public Company (OR)

ISO 22301:2012 Business Continuity Management Systems (MASCI-certified)
Date of Issue Division/Area
2020 PTT Public Company

ISO 45001:2018 Occupational Health and Safety Management Systems (MASCI-certified)
Date of Issue Division/Area
2021 Khao Bo Ya LPG Terminal*
2021 Sriracha Oil Terminal*
2021 Ban Rong Po LPG Terminal*
2023 Natural Gas Vehicle Division, Natural Gas Vehicle Operation (a total of 11 stations nationwide)
2021 Khanom Gas Separation Plant
2023 PTT Innovation Institute
2019 Rayong Gas Separation Plant
2021 Natural Gas Transmission

ISO/IEC 27001:2013 Information Security Management Systems (MASCI-certified)
Date of Issue Division/Area
2020 Automation Control & Operation Application Division, Natural Gas Transmission
2021 PTT PLC Head Office

ISO/IEC 27701:2013 Privacy Information Management Systems (MASCI-certified)
Date of Issue Division/Area
2021 PTT PLC Head Office
*Certification is requested by PTT Oil and Retail Business Public Company (OR)

ISO 14001:2015 Environmental Management Systems (MASCI-certified)
Date of Issue Division/Area
2021 Khao Bo Ya LPG Terminal*
2021 Sriracha Oil Terminal*
2021 Ban Rong Po LPG Terminal*
2021 PTT Innovation Institute
2021 Natural Gas Vehicle Division, Natural Gas Vehicle Operation (a total of 11 stations nationwide)
2021 Khanom Gas Separation Plant
2022 Rayong Gas Separation Plant
2023 PTT PLC Head Office
2021 Natural Gas Transmission

ISO 50001 Energy Management Systems (MASCI-certified)
Date of Issue Division/Area
2019 Khanom Gas Separation Plant
2021 Rayong Gas Separation Plant
*Certification is requested by PTT Oil and Retail Business Public Company (OR)