Saudi Arabia's Underground
Specialist
A strategic joint venture combining deep local expertise with sophisticated German tunneling technology — built to meet the Kingdom's most demanding subsurface infrastructure challenges.
Integrated Subsurface Engineering
STCO is a strategic joint venture between Al Fahd Company and Al Rawaf Company, established to meet Saudi Arabia's growing demand for complex subsurface infrastructure. The company combines strong execution capabilities with specialized underground expertise to deliver projects in challenging ground and urban environments.
STCO operates as an integrated subsurface engineering contractor, specializing in tunneling, trenchless construction, and ground improvement. By combining advanced excavation methods with engineered ground enhancement solutions, STCO effectively manages geotechnical risks, ensures structural stability, and delivers safe, durable, and high-performance underground infrastructure across the Kingdom.
Joint Venture Partners
Al Fahd Company & Al Rawaf ContractingVision, Mission & Values
Three pillars that guide every project we undertake across the Kingdom.
To be the preeminent integrated subsurface engineering firm in the MENA region, recognized for pioneering solutions in both advanced tunneling and foundational ground stabilization, thereby enabling the most ambitious and complex infrastructure projects that drive national development.
To deliver foundational excellence and structural certainty for critical infrastructure by applying a unified approach of advanced trenchless technologies and high-energy ground improvement methodologies. We are committed to mitigating geotechnical risks, ensuring project success, and upholding the highest standards of safety, quality, and environmental stewardship.
Ensures the reliability of both deep tunnel installations and stabilized surface foundations.
Positions STCO as a single-source provider capable of managing complex subsurface challenges end-to-end.
Evidenced by our advanced AVN tunneling systems and specialized Ground Improvement rigs.
Operation Staff
A skilled, dedicated team ready for the most demanding underground construction projects across the Kingdom.
Certified to International Standards
All three certifications issued by Vatsin Certification Private Limited, accredited by IAS — valid through January 2028.
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9001
ISO 9001:2015
Quality Management System — Thrust Boring Work, Infrastructure (Storm Pipe Lines, Sewer Pipe Lines), Shafts Constructions.
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14001
ISO 14001:2015
Environmental Management System — All tunneling, infrastructure, and shaft construction activities.
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45001
ISO 45001:2018
Occupational Health & Safety Management System — All field operations including thrust boring and shaft construction.
Official Credentials
Fully registered and approved across all relevant Saudi authorities and client bodies.
Commercial Registration
CR No. 1128191337 — Unayzah, Al-Qassim, KSA. Registered with the Ministry of Commerce (Vision 2030).
VAT Registration
VAT Registration No. 312216768200003. Registered with the Zakat, Tax and Customs Authority effective 07/05/2024.
Chamber Membership
Unayzah Chamber of Commerce — Grade Six membership. Facility No. 7038508573. Valid through 2026.
Ready to Go Underground?
Contact STCO for your next subsurface infrastructure project anywhere in Saudi Arabia.