NHPC Ltd.

http://www.nhpcindia.com/

NHPC Limited (Formerly National Hydroelectric Power Corporation) (BSE: 533098, NSE: NHPC) is an Indian Hydro Power Generation company that was incorporated in the year 1975 with an authorized cs. 2000 million and with an objective to plan, promote and organize an integrated and efficient development of hydroelectric power in all aspects.

Hindustan Construction Company Ltd.

http://www.hccindia.com/

Hindustan Construction Company (HCC) is headquartered in Mumbai, India. HCC's businesses span the sectors of Engineering & Construction, Real Estate, Infrastructure, Urban development & Management. The HCC group of companies comprises HCC Ltd., and its subsidiaries HCC Real Estate Ltd, HCC Infrastructure Co. Ltd, Lavasa Corporation Ltd, Steiner AG in Switzerland and Highbar Technologies Ltd.
Founded by Industrialist Seth Walchand Hirachand in 1926, HCC Ltd. executes large-scale civil engineering and infrastructure projects such as hydel power plants, nuclear power plants, expressways and highways, tunnels and bridges. HCC currently serves the infrastructure sectors of transportation, power and water. HCC was the first construction company in India to be certified for ISO 9001, ISO 14001 and OHSAS 18001 for its quality, environmental and occupational health and safety management systems. The company is headed by Ajit Gulabchand, Chairman and Managing Director.
HCC is also developing Lavasa, a planned hill city set in the Sahayadri Mountains. Lavasa is spread amidst 23,000 acres and located at a 3-hour drive from Mumbai and an hour’s drive from Pune. The master plan for Lavasa has been developed by the design consultant HOK International Limited, USA. Lavasa is slated to have 5 towns - Dasve, Mugaon, Dhamanohol, Sakhari-Wadavali and the Central Business District (CBD). The city is planned for a permanent population of 3 lakh residents. The integrated development at Lavasa City comprises apartments, retail, hotels, an international convention centre, education, information technology, biotech parks, sports and recreation facilities spread across its 5 towns.

Gammon India Ltd.

http://www.gammonindia.com/home/gammon-india.htm
Gammon India Limited (NSE: GAMMONIND, BSE: 509550) is the largest civil engineering construction company in India. Headquartered in Mumbai, it was founded in 1922 by John C. Gammon.

Sundaram Clayton Ltd.

http://www.sundaram-clayton.com/

Sundaram - Clayton Limited (SCL) is a Chennai based TVS Group company under the chairmanship of Venu Srinivasan. It provides aluminium and magnesium castings for the automotive industry.

Shree Renuka Sugars Ltd.

http://www.renukasugars.com/en/

Shree Renuka Sugars is India's largest sugar refiner and ethanol producer based in Mumbai, Maharashtra, with refining capacity of 4000 tonnes/day and distillery capacity of 600 Kilo litre/day.