PTT

PTT Public Company Limited is a Thai state-owned integrated energy company involved in upstream and downstream petroleum, natural gas, petrochemicals, and power generation.

PTT OR

PTT Oil and Retail Business Public Company Limited (PTTOR) is a leading Thai integrated oil and retail business operator, focusing on petroleum product distribution, retail stations, and non-oil businesses.

Hatyai Hospital

Hatyai Hospital is a major public healthcare institution in Thailand, primarily interacting with the energy sector as a large-scale consumer of electricity and other energy resources for its operations.

Royal Thai Armed Forces Development Command

The Royal Thai Armed Forces Development Command is a military unit responsible for national development, infrastructure projects, disaster relief, and supporting civilian welfare in Thailand.

Royal Thai Air Force

The Royal Thai Air Force is the air force of Thailand, responsible for air defense, air power projection, and national security, with significant energy consumption for its aviation operations and infrastructure.

Prince of Songkla University

Prince of Songkla University is a public university in Thailand that conducts research and education across various disciplines, including areas relevant to the energy sector such as renewable energy and environmental management. The term "Shelter" likely refers to a specific facility or initiative within the university, rather than a standalone energy organization.