- Mass Global
- Address:E / 13 Pallabi Ext. Mirpur.
- RITE SOLUTIONS LTD
- Address:H#90 Road:17/A Banani
- H Tel Ltd
- Address:Bangladesh
- Smart Talk voip accessories bd LTD
- Address:70/5
- Dinstar Technologies Co., Ltd.
- Address:uttara
- zafor telecom
- Address:
- Aorpon Enterprise
- Address:Road# 07, Plot# 32
- LC4A Communication
- Address:Elephant Road
- msf enterprise BD
- Address:
- NEXUS TECHNOLOGY HK CO.,LIMITED
- Address:Uttara
- innovetion technology
- Address:
- CNN Telecom
- Address:Kakrail
- M/S Sumaiya International
- Address:Gulshan
- Delfi International
- Address:Uttara Model Town
- Brothers Communication
- Address:Malibag
- T1 Consultant
- Address:MALIBAGH CHOWDHURYPARA
- Divine IT Limited
- Address:H 34, Sector-13, G A Avenue, Uttara
- Cheap call service
- Address:
- MOSTAFIZ4VOIP
- Address:bashundhara dhaka
- Voip Accessories INT. LTD.
- Address:92/8