Construction & Site Execution

Thartius India, a leading EPC company in India, is a trusted name in construction and site execution for large-scale EPC projects across Oil & Gas, Power, Nuclear, and Infrastructure sectors.

With over five decades of expertise in mechanical works, civil construction, and electrical systems, we deliver turnkey EPC projects that meet the most demanding global standards of quality, safety, and precision.

Our in-house execution teams, advanced equipment, and disciplined project management systems ensure every site achieves on-time completion, cost efficiency, and operational excellence — even in the most challenging environments.

Our Construction Process

We follow a comprehensive construction management framework that ensures seamless coordination between engineering, procurement, fabrication, and field execution — the foundation of successful EPC contracting.

Planning & Mobilization

Detailed site surveys, logistics planning, and resource mobilization customized to the project’s scale, complexity, and client-specific requirements.

Civil, Structural & Mechanical Works

Execution of civil works, steel structure erection, piping works, storage tanks, equipment installation, and mechanical fabrication with world-class accuracy, safety systems, and adherence to ISO and HSE standards.

Testing, Commissioning & Handover

Comprehensive inspection, quality testing, and commissioning services ensure every facility is fully functional, reliable, and compliant with international EPC standards before client handover.

Why Choose Our Construction Services

Turnkey Execution

End-to-end EPC project delivery under single-point responsibility — integrating engineering, procurement, and construction seamlessly.

Proven Track Record

Over 500 EPC projects successfully executed for Oil & Gas, Power, Nuclear, and Infrastructure clients across India and overseas.

Certified Safety & Quality

Strict adherence to ISO, OHSAS, and HSE standards, ensuring safe and sustainable project delivery at every site.

Specialized Capabilities

Expertise in explosion-proof installations, high-pressure piping systems, industrial automation, fabrication, and plant construction for mission-critical environments.

Our approach emphasizes safety, sustainability, and cost-efficiency, ensuring long-term value for clients while reinforcing our position as a leading EPC contractor in India.

Landmark Projects

National Aluminium Company Limited (NALCO), Orissa

Designed and constructed Liquid Pitch Storage & Handling and Electrically Heated Thermic Fluid Systems, making Thartius the first Indian EPC contractor to indigenously execute such integrated facilities — previously supplied only by firms in the US and Europe.

Lanka IOC, Trincomalee, Sri Lanka

Executed engineering design, supply, erection, and commissioning of lube blending plants, terminals, floating roof tanks, and firefighting systems in a challenging international environment.

NPCIL, Koodankulam Nuclear Power Plant, Tamil Nadu

Handled fabrication and installation of carbon steel air ducts, stainless steel liner plates, silos, and reactor auxiliary systems for India’s premier nuclear power facility.

ISRO – Indian Space Research Organisation, Mahendragiri

Constructed critical infrastructure for the Cryogenic Engine Test Facility, lander simulation systems, and hydrazine handling plants, supporting India’s space exploration programs.

Indian Navy – Project Seabird, Karwar

Developed defueling systems, aviation turbine fuel (ATF) storage tanks, marine fuel depots, and retail installations across Karwar, Kavaratti, and Minicoy Islands.

Oil & Gas Storage & Handling

Executed over 500 projects across IOCL, HPCL, BPCL, and Reliance terminals — including pipelines, storage tanks, LPG bottling plants, aviation fueling systems, and firefighting facilities nationwide.