Western Thomson Group Pte (WTG) is a Specialized auto - components group with a focus on Temperature Control and Precision engineered components.
Western Thomson Group Pte (WTG) is a Specialized auto - components group with a focus on Temperature Control and Precision engineered components.
Western Thomson Group Pte (WTG) is a Specialized auto - components group with a focus on Temperature Control and Precision engineered components.
Western Thomson Group Pte (WTG) is a Specialized auto - components group with a focus on Temperature Control and Precision engineered components.
WELCOME TO WTG
Western Thomson Group Pte – Singapore, is a specialized auto components group that is a leading manufacturer of Temperature control and Precision engineered parts. Our Temperature Control parts, include Thermostats, Temp Sensors and other related products.
Our Precision engineered range of parts include applications for Turbo-chargers, Steering systems, HVAC applications and Fluid systems. The company has manufacturing facilities in India along with regional offices around the country. We have an Engineering Centre and sales office in the UK and a North American sales office/warehouse. Our customers include leading OEMs and Tier 1 companies in India and across the world.





Temperature Control
Western Thomson (India) Limited.
Western Thomson (India) Limited Chennai, was established in 1967 and today the company is a leading manufacturer of Thermostats, Thermostat Housings and Pressure relief valves for Passenger car, Commercial vehicle and off Road engine applications.
Nippon Thermostat (India) Limited.
Nippon Thermostat (India) Limited, was established in 1994 in Chennai, India, as a Joint Venture Company between Western Thomson Group Pte, Nippon Thermostat Co Japan.Ltd and Maruti Suzuki India Limited, to manufacture Thermostats and Temperature Sensors.
Precision Components & Springs
Precialp Precision India Pvt Ltd
PPI Plant –II
The Vertical Milling parts division of the company was set up in 2017 by the acquisition of the Automotive parts unit of Lazgill Limited, established in 1940 in the UK. Today this unit has its manufacturing location in India and a UK based sales and technical support office.
Heath Springs Limited
After Market & Research
Riviera Auto Components Pvt Ltd
CT Research Institute
CT Research Institute was formed in June 2005 by the Chidambaram Family and by various Family Trusts associated with the Chidambaram Family. The Institute carries out research and training activities in the field of automotive engine cooling systems.
Our Group Of Companies
WTG Lazgill - Division of PPI
Riviera Auto Components Pvt Ltd
CT Research Institute
CT Research Institute was formed in June 2005 by the Chidambaram Family and by various Family Trusts associated with the Chidambaram Family. The Institute carries out research and training activities in the field of automotive engine cooling systems.
Group Highlights
- A specialized International Auto-Components group established since 1967 with a focus on Temperature control and Precision components
- We are India’s largest producer of Automotive Thermostats and Temperature Sensors
- One of the largest producers of automotive safety critical springs in Europe
- Leading producer of Precision Machined components to the accuracy of 2 microns using double disc grinding / lapping and other special purpose machines.
- We supply to leading OEMs and Tier 1 companies in India and across the world.
- Maruti Suzuki India Limited (MSIL) is a shareholder in one of our group Companies.
- Our components are critical functional parts in the vehicle (Engine Management System, Turbo Charger applications, Fluid management, Braking, Steering and Airbag applications).
- Capabilities in Thermostats, Plastic & Aluminium Housings, Precision Parts for Turbo-chargers, Steering, HVAC and Fluid applications.
- Manufacturing operations in India and the UK, Engineering office in the UK, warehousing in the US and regional offices in India.
- Dedicated R&D Centre established in partnership with Sri Venkateswara College of Engineering (SVCE), Autonomous institution affiliated to Anna University.
Group Products Range

















