SSG was founded at 1988 as Thai Steel Gratings Co., Ltd., staring manufacturing of steel grating products. Major SSG clients are power stations, steel industries, cement plants, petrochemical industries, oil refineries and distribution, walk-way and car park infrastructure.

Siam Steel Gratings

Siam Steel Gratings Co., Ltd. is the largest gratings manufacturer in Thailand with production capacity more than 22,000 sq.m. of steel gratings per month.

Standard panels

Fabricated gratings

Stair treads

Trench covers


Stainless gratings

Siam Steel Galvanizing

Galvanizing services of Siam Steel Galvanizing Co., Ltd. is now well-accepted by EGAT (Electricity Generating Authority of Thailand), international contractor companies and large-scale steel structure contractors and manufacturers in Thailand. The zinc kettles of Siam Steel Galvanizing Co., Ltd. are the largest ones in Thailand.

Hot dip galvanizing

Dip spin method


Siam Steel Tower

Siam Steel Tower Co., Ltd., established in 1996, has successfully achieved meritorious ISO 9001:2000 quality management system certification in terms of product design and production of transmission line towers, communication towers and steel supports in sub-station.

Telecommunication towers

Transmission Line Towers

Substation Steel Structures

Radar Towers

Structural Design

Steel Structures Fabrication

Siam Solar Power

Design, manufacturing, supply and installation of Solar PV Structure, complete Solar solution as an EPC contractor for Solar Farm and Rooftop Solar System

PWH Thailand

Engineering, design, procurement, fabrication, installation, commissioning, testing operation and maintenance for coal and ash handling systems, substation and switchyards, power transmission lines, renewable energy power plants, car parks

CHC Engineering

Construction of high voltage transmission lines and power stations, site construction and MEA at all parts of the Thailand

Burapa Metal Supplies

Manufacturing and distribution of the zinc-coated steel, aluminum high quality wall, ceiling and roof panels.