Hanoi is the headquarters for many of Vietnam's largest state-owned enterprises and private conglomerates.
* **Viettel Group:** Vietnam's largest telecommunications provider and a major global network operator. * **Vingroup:** Vietnam's largest private conglomerate, with interests in real estate, retail, healthcare, and education; its headquarters are in the Vinhomes Riverside development. * **FPT Corporation:** The country's largest IT services and software company. * **Vietnam Airlines:** The national flag carrier is headquartered in the Long Bien district. * **PetroVietnam (PVN):** The state-owned oil and gas group. * **VNPT:** The Vietnam Posts and Telecommunications Group, a major national telecom operator.