Pinnacle Infotech Solutions
S. S. B. Sarani, Bidhan Nagar
Durgapur- 713212, West Bengal (India)
Regal Services
35, Chittaranjan Avenue, 1st Floor
Kolkata- 700012, West Bengal (India)
Pinnacle Software Infotech Company
S.S.B. Sarani, Bidhannagar
Durgapur- 722202, West Bengal (India)
Trishul Engineering Solutions
B-12, 2nd Floor, South Canel Road, Mehulpolly Housunf
Kolkata- 700105, West Bengal (India)