NATIONAL ENGINEERING COMPANY LTD. was founded in 1967 by two major private companies namely Twentsche Overseas Trading(TOM) and Sarantis & Panayatopoulus Company Limited. On 28th October 1997 (MTA) of Jeddah, Saudi Arabia aquired NECO from the Government of Tanzania following the ongoing privatization program. NECO as a private company has grown into a local leading in Design, Manufacturing and Erecting Company in the field of Structural steel, Steel tanks, Mechanical & machine engineering.