STS has a rich and varied experience in execution of challenging projects within critical timelines and stringent parameters.

We deploy advanced construction methodologies, well-defined systems, softwares and proven procedures. We have over 1,200 items of equipment, in over 80 categories,with complete mobilisation across project sites to ensure timely completion.

Oilfield construction is our core capability and we boast of a successful history in executing both Fixed Term EPC Projects and Long Term Service Contracts. Our in-house capabilities encompass Civil, Mechanical, Electrical and Instrumentation disciplines besides specialist fabrication and tank construction with dedicated teams serving each discipline area.


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Civil Capabilities
  • Process plant civil works
  • Control and switchgear building construction
  • Commercial, industrial and residential building works
  • Pipeline and flowline civil works
  • General earthworks, well pad site preparation and earthmoving
  • General maintenance and civil service contracts
  • Reinforced concrete structures for industrial and infrastructure projects
  • Reinforced concrete structures associated to compressor stations
  • Fabrication & Installation of structural steel for pipe rack, pipe supports, compressor/pump sheds and other tresstles.
Mechanical Capabilities
  • Piping Fabrication & Erection
    • Carbon Steel (CS)
    • Low Temperature Carbon Steel (LTCS)
    • Stainless Steel (SS)
    • Duplex Stainless Steel (DSS)
    • Corrosion Resistant Alloy (CRA)
    • Glass Reinforced Epoxy (GRE)
    • Glass fiber Reinforced Plastics (GRP)
    • Glass Reinforced Vinylester (GRV)
  • Structural Steel
  • Static & Rotating Equipment Erection
  • Pipeline and Flowlines
  • Storage Tanks / Cryogenic Tanks as per API 650 API 620 & EN codes
Electrical Capabilities
  • Cable Installation Works (LV/MV/HV)
  • Motor Installations (HV/LV)
  • Switchgear Installations (HV/LV/GIS)
  • Transformer Installations (Power/Distribution)
  • Installation of Lighting & Small Power Systems
  • Installation of Earthing & Lightning Protection
  • Over-Head Lines 33KV (wooden /concrete poles) Installations
  • Installation of UPS & Battery Systems
  • Electrical Equipment Testing & Commissioning Services
  • Industrial Electrical Installation Works
  • Corrective, Preventive & Breakdown Maintenance Works of all Electrical Equipment’s
  • Earth Pit & Cathodic Protection Hole Drilling
Instrumentation & Control Automation Capabilities
  • Installation of DCS Systems
  • PLC/ SCADA Installation works
  • Signal/Control Cable Installation Works
  • Ducted FOC Installation Works
  • IPS based Systems Installation works
  • Installation of Field Instruments
  • Installation of Flow, Temperature & Pressure Elements
  • Installation of Emergency Shutdown Valves & MOVs
  • Installation of Fire & Gas Systems
  • Installation of Junction boxes
  • Corrective, Preventive & Breakdown Maintenance Works of all Instrument Equipment’s
Telecommunications & Low Current
  • Installation of Fiber Optic Installations
  • Installation of SMATV/CCTV Systems
  • Installation of Telephone Systems
  • Installation of Access Control System
  • Installation of PA/GA Systems
  • Installation of Telemetry Systems


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