About Us
Our Story
Siam steel tower co.,ltd.
Established in 1996, Siam Steel Tower Co., Ltd. (SST) has become Thailand’s leading manufacturer of transmission line towers, telecommunication towers, overhead catenary systems, substation structures, and general steel structures. With a strong commitment to engineering excellence, innovation, and reliability, we play a key role in advancing infrastructure across Thailand and beyond.
Since earning ISO 9001 certification in 2007, we have maintained the highest industry standards, ensuring precision and durability in every structure. To meet growing project demands, SST expanded in 2003 with a state-of-the-art facility in Saraburi, boosting production capacity to 3,500 metric tons per month. Our cutting-edge technology and advanced machinery allow us to handle complex projects with efficiency and precision.
Beyond quality and innovation, sustainability is at our core. We achieved ISO 14001 certification in 2011, reinforcing our commitment to eco-friendly manufacturing. By integrating sustainable practices, we contribute to a greener future while delivering superior steel structures built to last.
At Siam Steel Tower, we don’t just build structures—we power progress and connectivity, ensuring reliability and sustainability for future generations.
WHY CHOOSE US
Decades of Structural Engineering Expertise
With over 30 years of specialized experience, SST has delivered mission-critical infrastructure across Thailand and Southeast Asia. Our engineering team brings deep technical knowledge in the design, fabrication, and erection of transmission towers, telecom structures, and substation steelworks.
Thailand’s Largest Fabrication Capacity
Our ISO-certified facility in Saraburi spans over 50,000 sqm and supports up to 3,500 metric tons/month of production. Equipped with high-capacity CNC drilling, plasma cutting, and automatic welding systems, we handle high-volume, complex fabrication schedules with speed and precision.
Integrated Design-to-Production Workflow
Utilizing advanced software such as Tekla Structures, Midas Gen, and PLS-CADD, we streamline the full engineering process — from structural analysis and detailing to production. This ensures maximum accuracy, reduced rework, and seamless coordination from model to machine.
Certified Quality and Structural Reliability
We adhere to ISO 9001 standards with rigorous in-process quality control, load testing, and full traceability. Every component is fabricated to meet or exceed IEC, ASTM, and client-specific requirements, ensuring structural integrity even under extreme conditions.
Sustainable, Future-Proof Manufacturing
With ISO 14001 certification and a focus on resource efficiency, SST integrates eco-conscious practices into every stage of production. From material optimization to energy-efficient operations, we build with both performance and planet in mind.
Our Vision
We strive to be the leading manufacturer of high-quality energy infrastructure in Southeast Asia
Our mission is to advance global infrastructure through cutting-edge solutions while maintaining a steadfast commitment to environmentally responsible manufacturing.
Our mission
Building the Future with Excellence
Delivering Excellence
in Steel Structures
Manufacture transmission line towers, telecommunication towers, and substation structures that meet international standards with precision and excellence.
Commitment to Sustainability
Expand production capacity while implementing
eco-friendly manufacturing practices to reduce environmental impact.
Driving Innovation Through
Advanced Technology
Continuously enhance the production process by integrating cutting-edge technology and adhering
to ISO-certified quality management systems.
Environmental Responsibility
Adhere to ISO 14001 environmental management standards to minimize the ecological footprint of
our operations.
Prioritize Customer Satisfaction
Build long-term relationships by providing reliable,
cost-effective, and customized solutions tailored
to client needs.
Foster a safe and efficient workplace
Maintain a safe, productive, and ethical work environment that empowers employees and upholds corporate social responsibility.
Certificates
Commitment to Quality & Sustainability
At Siam Steel Tower, our ISO certifications reflect our unwavering commitment to upholding the highest standards of product quality and environmental responsibility.
Our mission
A Legacof Growth and Excellence
Our journey has been shaped by continuous growth, innovation, and an unwavering commitment to quality. Every milestone reflects our dedication to advancing the steel tower manufacturing industry while continuously enhancing our processes and services. With each achievement, we move closer to our vision of becoming the leading provider of reliable, high-performance steel structures—delivering excellence at every step.
