Cong Ty Co Phan Thong Tin Tin Hieu Duong Sat Sai Gon (Vietnam)

The company specializes in the field of management, exploitation, maintenance and repair of information systems, railway signals.
The company was established in 1979, Head Office: NO. 01 Nguyen Thong, Ward 9, District 3, Ho Chi Minh City.
Main business:
Other information service activities n.e.c
Manufacture of clay building materials
Architectural and engineering activities and related technical consultancy
Other social work activates without accommodation
Other telecommunication activities
Other amusement and recreation activities n.e.c
Wholesale on a fee or contract basis
Other construction installation activities
Electrical installation activities
Restaurants and mobile food service activities
Manufacture of basic precious and other non-ferrous metals
Construction of roads and railways
Construction of buildings
Tour operator activities
Short-term accommodation activities
Real estate activities with own or leased property
History:
1979: Establishment of Sai Gon Railways Signal Section
1983: Changed to Information Communication Company No. 5
1986: Changed to Ho Chi Minh City Railways Information Signal Enterprise
1998: Changed to Sai Gon Railway Information and Communication Enterprise
2003: Changed to Sai Gon Railways Signal Information Company
2010: Changed to Sai Gon Railways Information and Signical One Member Limited Company
2016: Established Sai Gon Railway Of Telecommunication - Signalization Joint stock company.
2017 : Shares of the Company were traded on UPCOM Stock Exchange with the ticket TSG on April 18, 2017.