Bangladesh Submarine Cable Co. Ltd (BSCCL)

Teletalk Company Ltd

Teleohone Shilpa Sanghtha Ltd (TSS)

Bangladesh Cable Shilpa Ltd (BCSL)

Bangladesh Post Office

Government of Bangladesh (GoB)

Ministry of Post & Telecom (MoPT)

Information Commission (Right to Information Act, 2009)

Bangladesh Telecommunications Regulatory Commission (BTRC)

International Telecommunication Union (ITU)

Asia Pacific Telecommunity (APT)

Universal Postal Union (UPU)

UN Website Locator

International Amateur Radio Union (IARU)

Federal Communications Commission (FCC), USA

Radio Society of Great Britain (RSGB)

European Telecommunications Standards Institute (ETSI), France

Internet Corporation for Assigned Names and Numbers (ICANN)

Internet Assigned Numbers Authority (IANA)

Institute of Electrical and Electronics Engineers (IEEE)

Software & Resources for Engineering Community

Internet Society

Telecommunications Industry Association (TIA)  Domaintools: Whois InterNIC