RSB is the parent company of I-DESIGN. RSB comprises of four different companies, namely, RSB Transmissions (I) Ltd., RSB Transmissions North America Inc. (Formerly known as Miller Brothers Manufacturing), I-Design Engineering Solutions Ltd. and  Ivitesse Technologies Pvt. Ltd. The Group Companies function with the philosophy of providing quality products and efficient services.

Each of the Group companies is equipped with state-of-the-art technology and latest IT infrastructure that enables smooth functioning. The Group's core capabilities range from design to manufacturing of aggregates and systems related to commercial vehicles, passenger cars, construction equipments, farm and off-highway equipments and road trailers.

The Group has chalked out an ambitious plan keeping the future in mind. 

• RSB Transmissions North America Inc. (http://www.rsbna.com )
• I-Design Engineering Solutions Limited (http://www.idesign.co.in )
• Ivitesse Technologies Pvt. Ltd. (http://www.ivitesse.com )
• RSB Industries (http://www.rsb-industries.com )