- 1986: Formerly known as Post Material Plant II was established;
- 1989: Renamed as Cables and Telecom Materials Plant;
- 07 February 1988: Renamed as Cables and Telecommunications Material Joint Stock Company (SAM) with a charter capital of VND120 billion;
- March 2003: Charter capital was increased to VND180 billion;
- April 2006: Charter capital was increased to VND280.8 billion;
- April 2006: Charter capital was increased to VND374.4 billion;
- June 2007: Charter capital was increased to VND545 billion;
- 01 September 2010: Renamed as SACOM Investment and Development Corporation;
- 2011: Charter capital was increased to VND 653,992,160,000;
- 20 September 2017: Renamed as SAM Holdings Corporation;
- 28 November 2017: Charter capital was increased to VND2,417,857,030,000;
- 28 January 2019: Charter capital was increased to VND2,490,362,630,000;
- 18 November 2019: Charter capital was increased to VND2,565,045,400,000;