Building Tomorrow's Metal Solutions Today
We Are Siam Steel Gratings Group
A dynamic group of companies powering Thailand’s industrial growth across steel, energy, and infrastructure.
SIAM STEEL GRATINGS CO., LTD
SIAM STEEL GALVANIZING CO., LTD
Rayong Galvanizing Co., ltd
SIAM STEEL TOWER CO., LTD
PWH Thailand Co., ltd
CHC Engineering Co., ltd
BURAPA METAL SUPPLIES CO., LTD
SIAM STEEL GRATINGS CO., LTD
SSG is Thailand’s leading manufacturer of high-quality steel grating products. Utilizing advanced technology of automatic electroforged welding machines and premium materials, the company produces a wide range of products including standard panels, fabricated gratings, stair treads, and trench covers.
SIAM STEEL TOWER CO., LTD
SST is the largest steel tower manufacturers in Thailand. With a production capacity of 3,500 metric tons per month, we are a leading manufacturer of transmission line towers, telecommunication towers, overhead catenary system, conveyor system, substation and general steel structures in Thailand.
SIAM STEEL GALVANIZING CO., LTD
Siam Steel Galvanizing is a leading Thai hot-dip galvanizing service provider, equipped with state-of-the-art technology, including Thailand’s largest zinc kettles. With facilities strategically located in Saraburi and Samut Prakan, we offer comprehensive galvanizing solutions to meet the needs of our customers nationwide.
PWH Thailand Co., ltd
PWH is a leading EPC contractor with a strong foundation in energy and electricity projects. The company serves a wide range of projects including power transmission lines, substations, coal and ash handling systems for power plants, general construction, and renewable energy solutions such as solar farms and rooftop systems.
Rayong Galvanizing Co., ltd
Sister’s company to Siam Steel Galvanizing, Rayong Galvanzing is also a leading provider of hot-dip galvanizing service. Located in the Eastern Seaboard Industrial Estate, the Rayong plant boasts a monthly production capacity of 3,500 tons and houses a substantial 13.5-meter-long zinc kettle bath.
CHC Engineering Co., ltd
CHC Engineering is a leading EPC contractor specializing in high-voltage power transmission projets. With over 35 years of experience, the company provides comprehensive services including design, supply, construction, and maintenance for 115/230/500 kV transmission lines and substations.
BURAPA METAL SUPPLIES CO., LTD
Burapa Metal Supplies is a trusted provider of high-precision metal sheet fabrication services in Thailand, offering CNC cutting, bending, punching, and surface finishing. With a reputation for reliability and customization, the company supports clients across construction, automotive, infrastructure, and industrial sectors—delivering both mass production and project-specific solutions.
35+ Yrs
of Industry Experience
7
Leading Companies Across Multiple Sectors
1400+
Employees and Professionals
Our Group at a Glance
An Integrated Business Group
With over three decades of experience, Siam Steel Gratings Group spans multiple industries and sectors:
