Gvtel Communication System
1037A, Block-I, Street No. 23, Hari Nagar Extension, Badarpur Near By SBI & PNB Bank
New Delhi- 110044, Delhi (India)
Hindustan Communications
401- A, 4th Floor, M-4, Gupta Plaza, M-Block, Vikaspuri
New Delhi- 110018, Delhi (India)
Sanchar Tele Systems Limited
No. 802, Chiranjiv Tower, No. 43, Nehru Place
New Delhi- 110019, Delhi (India)
Betar Communication Systems Private Limited
226, B/5-C, 4th Floor, CH. Kishori Plaza, Garhi, East Of Kailash
New Delhi- 110065, Delhi (India)
G R Info Solutions Private Limited
224 - D, Pocket - A, Mayur Vihar-2
New Delhi- 110091, Delhi (India)
Krauss International
Shop No. 3, DSIDC Scheme-3, Okhla Phase 2
New Delhi- 110020, Delhi (India)