Gurgaon based Delta Energy Systems (I) Pvt. Ltd. is a 100% subsidiary of Delta Energy Systems part of 4.2 Billion dollar US$ Delta Group was ranked SD's No. 9 Power Electronic Company of the year. The company netted a turnover of INR 42.53 crores (USD 9.05 Million) up from INR 30.13 crore it had in 2007-08. A Staggering growth of over 41% in these slowdown time is highly worthy of appreciation. The entire revenue was earned through sale of Online UPS Systems.

DES India is a 100% subsidiary of Delta Electronics Thailand, a public listed company in Thailand. Delta is a leading power management solutions company. Operating in India since 1992, DES India is responsible for business in South Asia and has been recognized as a centre for excellence in South Asia. Delta offers custom designed power management solutions engineered to maximize energy savings. On the UPS front Delta offers Double Conversion Online UPS Systems for all mission critical online power backup needs across all industry verticals. For years leading brands like Sony, Thompson, Apple, Dell, Canon, Samsung, Sun Micro Systems, NEC and LG have been part of their clientele.

Delta Electronics (India) has an impressive installation base with regional support centers all over India and the SAARC region. Delta Electronics (India) has been awarded ISO 9001:2000 and ISO 14001:2004 certifications by Underwriters' Laboratories, USA, for Quality, Procedures, Environment management and OHSAS 18001:1999.

Delta has solutions for all segments which makes it a highly customer centric company. In SOHO they have E Series, N Series & R Series. In SME segment they have R Series, J Series & H Series. For Servers and mid sized Data Centers they have R Series, NH Series. For Large IT & Data Centers they have NH series and NT series. For Industrial and Process application they have NT Series.