Mascot Office Systems Ltd.
- Makers and suppliers of PABX systems. Describes own brand products, and lists other makes available for distribution.
- http://www.mascotepabx.com

Akasaki India (International)
- Manufacturers and suppliers of mobile and cellular telephone accessories.
- http://akasakiindia.com

HTACPL
- Providing electronic security products and telecom, software, networking and broadband services.
- http://www.htacpl.com

AirTel
- Bharati-AirTel is a GSM mobile phone service provider in Delhi and the surrounding areas. It offers various pre-paid and post-paid plans, as well as value added services.
- http://www.airtelworld.com/

Ring India
- Offers call center services to foreign customers. Describes infrastructure and facilities.
- http://www.ringindia.net/

F Technologies Pvt. Ltd.
- Offering WAP and text messaging services to businesses.
- http://www.handygo.com

Mahanagar Telephone Nigam Ltd.
- Information on telecommunication, basic telephone, mobile phone and internet service provider, leased circuits, intelligent network, INET, phone plus services, information on Delhi tourism.
- http://delhi.mtnl.net.in/