[2] SMEO is a subsidiary company of National Aerospace and Defence Industries Sdn Bhd.

[3] SME Ordnance was formed in 1969 as a joint venture company with equity participation between the Government of Malaysia, Dynamit Nobel of Germany, Oerlikon Machine Tools of Switzerland and two local partners namely Syarikat Permodalan Kebangsaan and Syarikat Jaya Raya Sdn Bhd.

[4] The Malaysian government later acquired all shares in 1974, making SMEO a government-owned company.

[9][10] On 28 September 1993, SMEO was approved by Royal Ordnance Division, British Aerospace (BAe) as the preferred suppliers of weapons and ammunition.

[4] On 21 February 2001, SMEO integrated Syarikat Malaysia Explosive Technologies Sdn Bhd.