- CEO
- Ratachai Teratanavat
- Full Time Employees
- 254
- Sector
- Producer manufacturing
- Industry
- Industrial machinery
- Address
- 289/9 Moo 10, Old Railway Road Samut Prakan SPK Thailand 10130
- IPO Date
- Nov 3, 2015
- Business
- Siamraj Public Company Limited (SR.BK) constructs natural gas metering and pipeline transmission systems and provides engineered pumps and systems in Thailand; core products and services include flow measuring systems, gas chromatographs, flow metering elements, flow computers, engineering services for power stations, process plants, and natural gas service stations; inspection, repair, and maintenance of gas metering station equipment; ownership and operation of natural gas vehicle (NGV) stations, design, installation, and management of NGV stations with solar power integration; industrial pumps such as gear, sanitary, screw, diaphragm, process centrifugal, vacuum, and metering pumps; air compressors for waste treatment, gas turbines and compressors for power plants; parking management services through subsidiaries like TKS Venture, CAPS, and BUPS at sites including Thammasat University Hospital and Chiang Mai Airport; and flow measurement instrumentation via Techtronic; operations span industrial, energy, and infrastructure sectors primarily in Thailand with headquarters in Samut Prakan; founded in 1984 as Engineering Products Co., Ltd., renamed Siamraj Public Company Limited in 2015; recent developments encompass notification of CEO change in July 2025, subsidiary dissolution in May 2025, acquisition of solar power plant stakes represented by legal counsel, and parking project expansions at airports.