Group Companies

About Us

Unitherm Group

Unitherm Group is one of India’s most trusted and technologically advanced names in the heat treatment and metallurgical industry. Over the years, the group has built a strong reputation through innovation, engineering excellence, and strategic global partnerships that have strengthened its position in the thermal processing sector.

The group operates across multiple domains including commercial heat treatment services, industrial furnace manufacturing, vacuum heat treatment solutions, and advanced surface coating technologies. With manufacturing facilities and service centers strategically located across Pune, Bengaluru, Chennai, Bhiwadi, and Ahmedabad, Unitherm Group serves leading industries such as automotive, aerospace, engineering, tool & die, railways, defense, and heavy manufacturing.

A major strength of Unitherm Group lies in its international joint ventures, which bring together global technology and Indian manufacturing expertise.

Unitherm Engineers Limited

Unitherm Engineers Limited is India’s leading commercial atmospheric heat treatment service provider and is renowned for its expertise. Our state-of-the-art plants in Pune, Bengaluru, Bhiwadi, Chennai and Ahmedabad are strategically located near major automotive hubs to ensure accessibility and convenience.
We provide our services to India’s top auto OEMs and their numerous pan-India suppliers, delivering optimal results. Our services include carburizing, carbo-nitriding, hardening and tempering, and gas-nitriding heat treatments to enhance component performance and durability.
With a dedicated team of over 200 metallurgists, we excel in every department, expediting process development and ensuring precision in all our endeavors. Our commitment to heat treatment excellence is upheld by a skilled workforce of approximately 500 professionals.
Our journey doesn’t end here—Unitherm Engineers Limited is committed to ambitious expansion plans, bringing our exceptional services even closer to you.
 
For more information, please visit :
 
Unitherm Engineers Limited

Indo German Vacu Treat

Indo-German Vacu Treat Pvt. Ltd. (IGVT) is a leading provider in India’s commercial vacuum heat treatment sector, ranking as the third-largest service provider nationwide. Established through a strategic joint venture between Systherms GmbH (Germany) and Unitherm Engineers Limited (India), IGVT operates three state-of-the-art plants strategically located near key automotive hubs:

  • Pune, Maharashtra: Catering to the western region’s tooling and component manufacturers.
  • Bangalore, Karnataka: Serving the southern industrial sectors.
  • Chennai, Tamil Nadu: Supporting the southern manufacturing landscape.

Our expertise lies in delivering advanced vacuum hardening and plasma nitriding services, primarily catering to the domestic tool and die manufacturing sector. Our diverse service portfolio includes:

  • Vacuum Brazing: Ensuring strong, precise joints for complex assemblies.
  • Solution Annealing: Enhancing material ductility and corrosion resistance.
  • Ageing: Improving mechanical properties through controlled heat treatment.

We proudly serve a wide range of industries, including aerospace, defense, medical equipment, food processing, and consumer goods. With a dedicated workforce exceeding 70 professionals, IGVT remains committed to excellence and innovation in all our endeavors.

For more information, please visit:
www.igvtvacutreat.com

Indo German Vacu Treat

Aichelin Unitherm

A 50-50 joint venture between Unitherm Group and Aichelin, Austria.
 
Aichelin Unitherm Heat Treatment Systems India Pvt. Ltd. is India’s leading heat treatment furnace manufacturer and a technological leader in producing components for thermal and thermochemical heat treatment of metallic parts, with over 500 furnace installations for leading OEMs and tier-1 automotive companies in India and Europe.
Based in Talegaon, Pune (Maharashtra), this joint venture between Aichelin Group (Austria) and Unitherm Engineers Ltd (India) also provides systems for cleaning parts, protective gas generators, and automation systems, with an unparalleled focus on post-sales services.
Equipped with the latest energy and consumption-optimized solutions, Aichelin Unitherm Heat Treatment Systems India Pvt. Ltd. provides end-to-end services for gas and electrically heated furnaces—such as sealed quench furnaces, pusher-type furnaces, mesh belt furnaces, ring hearths, rotary hearths, and roller hearth furnaces—from construction and manufacturing to comprehensive services.
 
For more information, please visit:
https://www.au-india.com/
 
Aichelin Unitherm

NOVA Group - Germany

Nova Coating Gmbh

Nova Surface GmbH

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