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.

OR

PTT Oil and Retail Business Public Company Limited (OR) is a leading integrated oil and non-oil retail business operator, primarily focusing on petroleum product distribution and retail services in Thailand and internationally.

Cafe Amazon

Cafe Amazon is a leading coffee shop chain in Thailand and Southeast Asia, owned and operated by PTT Oil and Retail Business Public Company Limited (OR), a major downstream oil and gas retailer.

FIT Auto

FIT Auto is a chain of automotive service centers in Thailand, operated by PTT Oil and Retail Business Public Company Limited, offering car maintenance, tire services, and oil changes.

Kijthaworn 2018

A Thai company providing electrical and mechanical system installation services, as well as general construction.

S.B. Autosales

S.B. Autosales Co., Ltd. is an automotive dealership group in Thailand and does not have primary operations within the energy sector.

Sub Oil Petroleum

Sub Oil Petroleum Co., Ltd. is a Thai company engaged in the distribution and sale of petroleum products.

Hat Yai Airport Branch

Based on the name, 'Hat Yai Airport Branch' appears to be a local branch or office located at Hat Yai Airport in Thailand, but its specific function within the energy sector cannot be confidently determined from the provided information.

Hat Yai Hospital

Hat Yai Hospital is a major public hospital in Hat Yai, Songkhla Province, Thailand, providing comprehensive medical services.

Naval Development Command

The Naval Development Command is a unit within the Royal Thai Armed Forces, primarily responsible for naval development, operations, and training.

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.

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.