STEEL INDUSTRIES L.L.C.
Founded in 1967 as a family-owned Saudi establishment, Al Ayash Steel Industries began by supplying diesel fuel and water storage tanks to support early industrial and infrastructure projects across the Kingdom.
Al Ayash Steel Industries LLC is a Saudi industrial manufacturer operating continuously since 1967, delivering steel storage infrastructure to some of the Kingdom’s most critical assets.
The company is structured to support long-term operational continuity, not short-term market cycles.
Al Ayash Steel Industries L.L.C. is a Saudi-based industrial manufacturing company specializing in the design, engineering, fabrication, installation, and rehabilitation of high-quality steel storage tanks and steel structures. Established in 1967,
ASI has played a central role in supporting Saudi Arabia’s industrial, energy, and infrastructure development for more than five decades. The company delivers precision-engineered storage solutions that comply with international manufacturing standards while meeting the demanding operational requirements of government entities, mega projects, and private sector clients
Al Ayash Steel Industries’ mission is to design, manufacture, and deliver high-quality steel storage solutions that combine technical excellence,operational reliability, and safety; supporting Saudi Arabia’s industrial growth through precision engineering, strict compliance, and trusted long-term partnerships.
Al Ayash Steel Industries’ mission is to design, manufacture, and deliver high-quality steel storage solutions that combine technical excellence, operational reliability, and safety; supporting Saudi Arabia’s industrial growth through precision engineering, strict compliance, and trusted long-term partnerships.
Founded in 1967 as a family-owned Saudi establishment, Al Ayash Steel Industries began by supplying diesel fuel and water storage tanks to support early industrial and infrastructure projects across the Kingdom. As Saudi Arabia’s industrial base expanded, ASI evolved alongside it. The company progressively diversified its capabilities to include custom-engineered industrial tanks, steel structures, and tank rehabilitation services, serving increasingly complex and large-scale applications. To ensure global competitiveness, Al Ayash adopted international manufacturing and safety standards, including API, ASME, UL, ISO, and STI P3, reinforcing its commitment to quality, safety, and long-term performance.













The principles that guide our decisions, shape our performance, and define how we deliver value across every project.
More than 50 years of
accumulated technical knowledge drive every design, fabrication, and installation decision.
Commitment to delivering durable, compliant solutions that perform consistently under demanding operational conditions.
Long-term dedication to clients, partners, safety standards, and national development goals.
Building trusted, transparent relationships with clients, suppliers, and stakeholders.
Protecting people, assets, and
the environment through strict
HSE systems and compliance.
Al Ayash Steel Industries delivers end to end execution, from engineering design to fabrication, delivery, and installation, ensuring every project meets the operational demands of critical sectors and the compliance requirements of international codes. Their scope is built around storage tank systems manufactured under UL, API, and ASME frameworks, supported by controlled fabrication processes and field execution capabilities.
With over five decades of experience in the steel industry, Al Ayash Steel Industries has built a strong foundation of technical expertise, operational excellence, and industry knowledge. Our team of highly skilled engineers and fabrication specialists, supported by advanced mechanized facilities, enables us to deliver projects that meet the highest standards of quality, precision, and safety. This combination of experience, capability, and commitment to client satisfaction has earned us a strong national reputation and the trust of leading organizations. The following competitive advantages highlight the key factors that distinguish Al Ayash as a reliable, innovative, and trusted partner in every project we undertake.
Over 50 years of industry
experience
Highly skilled engineering
and fabrication teams
Advanced mechanized
manufacturing facilities
Strong national reputation
and client trust
Custom fabrication and
engineering flexibility
Proven record of on-time
project delivery
• ISO 9001
• UL Certified Tanks
• API Certified Tanks
• ASME Certified Tanks
• STI P3 Certified Tanks
• Raw material verification
• Welding inspections
• Hydrostatic pressure testing
• Dimensional accuracy checks
• Final quality approval prior to dispatch
• Certified quality engineers
• Continuous improvement systems
• International compliance procedures
• Documented inspection records




4527 – Sudair Industrial & Business City,Riyadh Province, Saudi Arabia