Nalli Group
- About the group with companies in retail trade, home furnishings, sarees, and information technology.
- http://www.nallisilk.com

Devinarayan Group
- Companies with interests in housing and property development, granite tombstones and artifacts, and information technology services.
- http://www.devinarayan.com/

TV Sundram Iyengar and Sons
- The profile, operations, and services of the group with interests in the automobile sector.
- http://www.tvsiyengar.com/

House of Chettinad
- Group of companies in diversified fields including manufacturing, construction, transport, power generation, and plantation.
- http://www.chettinad.com/

GNG Group
- Interests in consultancy, software, graphic design, and hatcheries.
- http://www.gngworld.com/

Vasuki Travels
- Vasuki group is a diversified group with interests in finance, the travel industry, plantations, exports, shipping.
- http://www.vasuki.com/

Ostwal Group
- Companies with interest in electricals, diamonds, finance and information technology.
- http://www.ostwalgroup.com/

GEM Group
- Group of manufacturing and service providing companies in granite, textiles, hospitality, information and biotechnology industries.
- http://www.gemspin.com/

Apna Group of Companies
- The group companies manufacture cashew processing machinery, deal in instruments and offer consultancy services.
- http://www.apnagroup.com

Apcom Group of Companies
- Specialities include computer hardware, fax modems, networking, and garments export.
- http://www.apcomgroup.com