About

About company

A brief overview of who we are, what we do, and how we operate globally.

About OSC

Who we are, our purpose, and the role we play in the energy sector.

Our Governance

The principles, policies, and structures guiding responsible operations.

Our Leadership

The team driving strategic direction and long-term stability.

Our History & Heritage

Key milestones that shaped the company over six decades.

Memberships

Memberships with key industry and professional organizations.

OSC Main Pillars

Industrial Operating Facilities

Shared industrial base supporting oil and gas operations.

Industrial Workshops

Flexible industrial land and plots tailored to operational and expansion needs.

Industrial Warehouses - Al Quoz

Secure storage and coordinated logistics for equipment and materials.

Facility Management Services

Operation and maintenance of industrial facilities and infrastructure.

On-Demand Manufacturing (SIML + OSC Saudi, DTM)

Precision manufacturing for drilling and oil and gas equipment.

OSC Products (SIML + OSC Saudi, DTM)

In-house engineered tools for drilling and well operations.

Licensed Products Offering (SIML + OSC Saudi, DTM)

Licensed tools manufactured to approved design and quality standards.

Industrial Engineering and Fabrication Services (OSC Engineering Services + OSC Saudi OGEI)

End-to-end engineering and fabrication across global facilities.

Machine shop and inspection services (SIGS)

Machining and inspection for asset integrity and compliance.

Drilling & Completion Fluids & Solids Control (MIGS)

Fluids, solids control, and waste management for drilling.

Drill Bits and Drilling Reamers (Diamant Drilling Services)

Drilling optimization and PDC bit design services.

Gaskets and Fluid Sealing Solutions (Smith Gaskets)

Gasket and sealing solutions for critical applications.

Logistics Operations (Clearing and Forwarding & Material Movement)

End-to-end logistics and clearing & forwarding for safe, time-critical energy operations.

Group capabilities

OSC Companies

A group of specialized companies delivering integrated solutions across key markets.

Common User Supply Base (CUSB)

Business platform supporting growth and regional operations.

Smith International Manufacturing Limited

Manufacturing company producing oilfield equipment for energy operations.

MI Gulf Services (MIGS)

Drilling fluids and engineering services supporting regional energy operations.

Smith International Gulf Services (SIGS)

Oilfield services company supplying equipment and technical support.

Engineering Services

Integrated design and large-scale industrial fabrication.

Oilfields Supply Company Saudi (OSCL, OGEI, DTM)

Saudi manufacturing facility supporting local oil and gas operations through its 3 divisions.

Langsat OSC Sdn Bhd (LOSC)

Common user supply base supporting logistics and industrial operations.

SIGS Malaysia

Supplier of fluid sealing solutions across Asia.

Oilfields Supply Center Sdn Bhd

Malaysia manufacturing company supporting regional industrial operations.

Diamant Drilling Services

Worldwide provider of drill bits and drilling tools.

Oilfields Supply Center Americas

Upstream oil & gas logistics, machining, tubulars, and manufacturing support.

TOSC Drilling Machines Joint Stock Company (TOSC)

Provides specialized oilfield equipment, tools, and solutions for operations.

About

Standards & compliance

OSC’s policies and management systems governing quality, health, safety, and environmental compliance across operations.

Quality Policy

Statement of OSC’s commitment to quality and client requirements.

HSE Management System

System for managing health, safety, and environmental risks.

Quality Management System

Framework for managing quality, consistency, and continuous improvement.

Policy Statements

Commitments to quality, safety, environment, and ethics.

Certifications & Awards

Industry certifications and awards reflecting quality and compliance.

A Member of OSC Group

Smith International Gulf Services (SIGS)

A long-established OSC company (since 1974).

Scope of services

Oil & Gas Services

Year established

1974

Phone Number

+971 4 883 6268

Info

API

Smith International Gulf Services, LLC (SIGS), was established in Dubai, United Arab Emirates in 1974 under the Oilfields Supply Centre group of companies.

With over 50 years of product and service experience, SIGS has grown to become a leading service and product provider for the oil and gas industry across the Middle East, East Asia, Africa, and Western Asia.

What We Deliver

Operational Services

SIGS provides integrated workshop, inspection, surface treatment, and sealing solutions to support drilling, maintenance, and asset integrity. We also offer specialized coating for tubulars, casing, tubing, and drilling tools, alongside dedicated solutions for storage and rust prevention.

Precision Machining

Machine Shop Services

  • OD & ID Turning
  • Repair of Rotary Shouldered 
Connections (API & Premium)
  • Milling Services
  • PDC Bit Repair & Deep 
Hole Drilling
  • Manufacturing of Drill Collars, Integral Heavy Weight Drill Pipe, Rotary Substitutes, Integral & Welded Blade Stabilizers, Roller Reamers, Milling & Fishing Tools, Hole Openers, Bull Nose, Junk Baskets, Lift Subs, OCTG Accessories
  • Stub Welding, Hardbanding, Hardfacing, Tool Joint & Stabilizer Blade Buildup, Fabrication of Bit Breakers
  • Phosphating & Shot Peening
  • Manufacturing & Repair of Non-Magnetic Steel Components
  • Make & Break-out Connections

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Asset Inspection

Field Inspection Services

  • Inspection of RSC, BHA, 
DHT, DPTG & OCTG
  • Rig Mast & Substructures, 
Handling & Hoisting Tools
  • Various Non-Destructive Testing 
(MT, PT, ET, VT, EMI)
  • Lifting Equipment: Loose Gear, Winches, Cranes, Forklifts, Skids, Offshore Containers, DROPS

Surface Protection

Blast and Paint

  • Blasting: Aluminum Oxide, 
Steel Grit, Glass Bead, Garnet
  • Painting: 2- & 3-coat industrial 
corrosion protection
  • PTFE Coating: Ever Silk & Xylan
  • Manganese Phosphating

Fluid Sealing Solutions

Fluid Sealing Manufacturing Division

  • Ring Joint Gaskets
  • Spiral Wound Gaskets
  • Kammprofile Gaskets
  • Insulating Gasket Kits
  • Gland Packing
  • Flat Cut Gaskets (CNAF, 
Graphite, PTFE)
  • Lens Gaskets
  • Subsea Gaskets
  • Kroll & Ziller Gaskets
  • Rubber Gaskets (EPDM, NBR, Neoprene, Viton)

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Product Line

Key Products

Sealed Bearing Reamers, Borrox AP®

The Borrox AP sealed-bearing reamer provides durable hole gauge control and torque reduction, with interchangeable cutter options optimized for soft to hard and abrasive formations.

Open Bearing Reamers, Model 60

The Model 60 open-bearing reamer supports effective hole gauge maintenance and torque reduction, using configurable cutter assemblies for a wide range of formation conditions.

Ring Type Joint Gaskets (RTJ)

RTJ gaskets are metallic rings for high-pressure, high-temperature flanges, used in oil, petrochemical, valves, and pipelines, compliant with ASME B16.20 and API 6A.

Spiral Wound Gaskets (SWG/SPW)

Spiral Wound Gaskets seal up to 250 bar and -200°C to 1000°C. Easy to install and remove without flange damage, with materials adaptable to varied conditions.

Insulating Gasket Kit – Type F

Installed within the bolt circle, the outside diameter extends to the inside of the bolt hole circle. Bolts assist with accurate alignment during installation.

Flat Cut Gaskets

CNAF, PTFE, and Graphite flat cut gaskets provide reliable sealing, combining chemical resistance, durability, and high-temperature performance.