- Academy of Telecom Management (ATM)
 - Offers telecom management, development, and policy research programmes. - Airtel
- Private telecom service provider with strategic business units in mobile services, broadband and telephone services, and enterprise services.
- Ascent Telecom
- Provider of telecommunications billing and customer care solutions, voice over IP services, mobile, fax, and long distance services.
- Chandigarh Telecom
- Department of Telecommuncations (DoT)@
- Essar Cellphone
- Providing cellphone services, mobile telephony, and telecom solutions in India.
- Fibcom India Ltd
- Services include network planning, design, manufacture, installation, and more.
- Mahanagar Telephone Nigam Limited
- Provides basic telecommunication and Internet services.
- MessageIndia.com
- A Motorola joint venture providing paging solutions.
- Midas Communication Technologies
- Developers of corDECT and optiMA wireless and fibre access systems.
- Modi Corp
- Provides telecommunication and information technology related products and services.
- Neutron
- Distributors of telecommunications equipment.
- Reliance Communications
- Provides telecommunication services in India including mobile and landline phones, calling cards, and broadband Internet access.
- Simoco
- Provides radio communication devices like two-way radios GSM handsets, and trunking systems. Site features product information and contact details.
- Spice
- Mobile phone service provider in Punjab's major cities.
- SU-KAM Groups of Companies (CVR)
- Makers and suppliers of inverters, expanded into other technology driven products including UPS, batteries, chargers, solar products, and stackable trolleys.
- TATA Indicom
- Telecommunication service provider in India. Offers mobile and landline phones, calling cards, network cables, and broadband Internet access.
- Telecommunications Consultants India Limited
- Telecom and IT consultancy organisation has expertise in software development, re-engineering, training and providing solutions for EURO problems.
- Valiant Communications Ltd.
- Offers GSM E1 T1 channel bank gateway, multiplexer, echo canceller, PRI ISDN, and DCME telecom transmission solutions.
- Videsh Sanchar Nigam
- Provides Internet and international telecommunications services.
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