CII E&C (formerly known as 565 Transport Works Investment and Trading Company), established in 2000, is a leading Vietnamese construction company specializing in infrastructure projects. Headquartered in Ho Chi Minh City, CII E&C has contributed to vital projects such as the Saigon 2 Bridge, Binh Trieu 2 Bridge, and Hanoi Highway. The company's expertise extends to civil construction, M&E services, and building material business. Originally a subsidiary of CII (HCM City Infrastructure Investment), CII E&C became an affiliate in 2016 after CII divested its shares.