Group Overview
STS Group is a premier multidisciplinary contracting firm based in Oman, specializing in construction, manufacturing, and maintenance services for the energy and industrial sectors. Established in 1980 as part of the Oman Oilfield Supply Centre L.L.C. (OOSC), the STS Group has built a strong reputation for delivering specialized oil & gas field maintenance solutions across the MENA region.
The expertise of STS Group spans field development, enhanced oil recovery (EOR), gas treatment, refineries, petrochemicals, tank farms, pipelines, and flowlines. With in-house capabilities in civil, mechanical, electrical, and instrumentation disciplines, the STS Group execute complex projects with precision and efficiency.

Multidisciplinary Contracting Group
Operating as a 100% Omani company, we specialize in providing comprehensive construction, manufacturing, and maintenance services tailored to the energy and industrial sectors, with expertise in cladding, HDPE, and roto-lining.

Operations
Headquartered in Muscat, Oman, our operations span across Oman, Bahrain, the UAE, Saudi Arabia, Kuwait, Qatar, and Australia.

Manufacturing Facility
With facilities strategically located in Oman, the UAE, and KSA, we operate across a total area of 210,000 square meters. Our facilities are certified to ASME U, U2, S, PP, and National Board (NB and NB-R) standards, ensuring adherence to the highest quality and safety protocols.

HSEQ
Recognized for our commitment to quality and safety, we hold ISO certifications including ISO 9001:2015, ISO 29001:2020, ISO 14001:2015, and ISO 45001:2018. With a track record of over 40 million man-hours per year.

Financial Strength. Proven Delivery.
Our robust financial capacity positions us to deliver projects of all scales and complexities effectively.

Resources
With a workforce of over 10,000, including 3000+ Omani employees, and a robust equipment fleet valued at USD 120 million, we boast specialized process engineering capabilities based in Australia.
Construction
Projects
Delivered
Million
Man Hours
Capacity
Maintenance
Team
Service
Contracts
Delivered

Specialized in
Brownfield Projects

100+
Tank Construction
& Maintenance
Projects Delivered

1000+
Process Equipment’s
delivered

2 Million Inch. Dia.
Construction & Fabrication capability per year