1976		Started as KRR Engineering Enterprises at L-17, Ambattur Industrial Estate, Chennai.
1989		Registered as KRR Engineering private limited company.
1990		Established Unit II at no.6 Vanagaram road, Aynambakkam, Chennai.
1990		State Award from Honorable Governer his Excellency Shri Surjit Singh Barnala.
1990		Installation of 1000 ton Hydraulic press.
1990		Cochin Minerals and Rutile Ltd. (EOU), Rotary Spherical Digesters for rutile plant at Cochin – 12 Nos.
1991		DCW, Rotary spherical digesters for ilemnite plant at Tutocorin 29 Nos.
1993		LPG Storage Bullet for SPIC Petroleum Ltd.
1994		“National Award for excellence in Entrepreneurship” to our Managing Director Mr. K.R.Ramaswamy was awarded by Hon.President his Excellency Shri R.Venkatraman.
1995		Propylene Storage Bullet for TamilNadu Petro Products Ltd.
1995		IAT, FAT and Drying Tower for Indo Jordan Project.
1997		LP Flash Vessel & HP Flash Vessel for Madras Fertilizers Ltd.
1998		Installation of 4000 ton Hydraulic press.
1998		KMML, Rotary spherical digesters for ilemnite plant at Tutocorin 4 Nos.
2003		Slag Cleaning Furnace and ISA Smelt Furnace for Sterlite Industries Ltd. Tutocorin.
2003		Calciner & Cooler for DCW Ltd., Tutocorin.
2004		Water Storage and Expansion Vessel, JSW Steel Ltd, Bellary.-3Nos.
2005		Hot Metal Mixer, JSW Steel Ltd, Bellary
2005		Entered the Nuclear Industry through the forming of the Complex Multi-curve Profiles for the 500 MWe Fast breeder Reactor developed by the Indira Gandhi Centre for Atomic Research.
2005		Converter #3 and #4 for four million and seven million ton for JSW Steel Limited.
2006		Roaster & Cooler for DCW Limited, Tutocorin.
2007		Certified for ISO 9001:2000 by Bureau Veritas.
2008		Dryer for Hindustan Copper Limited, Ghatsila.
2009		Obtained ASME ‘U’ and ‘U2’ Stamps and NBBI ‘R’ Stamp