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.

Gammon India has executed some notable civil engineering projects:
  • Foundations of the Gateway of India
  • India's first cable-stayed bridge at Akkar, Sikkim
  • The longest Railway Tunnel in Asia for Konkan Railway at Ratnagiri, Maharashtra
  • Mahatma Gandhi Setu spanning the river Ganges, between Patna and Hajipur in Bihar
  • Terminal building for Sharjah International Airport, UAE
  • Elevated viaducts for Delhi Metro Rail Corporation
  • India's first second generation nuclear reactor Prototype Fast Breeder Reactor at Kalpakkam
  • Gammon have built largest number of bridges in Commonwealth region.