The client list of Ratna includes various Government Departments, Private Organizations, Public Sector Undertakings etc. Below is list of our few esteemed clients:
 
National Thermal Power Corporation Irrigation Department R & B, Public Health GMR
       
       
Visakha Steel Plant National Mineral Development Corporation NTPC Tamilnadu Energy
Company Ltd.
APGENCO
       
       
Bhartiya Rail Bijlee Corporation Ltd. Bhilai Engineering Corporation Ltd. Hindustan Steel Works
Construction Ltd.
BOC India Ltd.
       
       
 
TATA Projects Ltd. Siemens Ltd. Tamilnadu Road Development Company Ltd.