[1] The company was founded in Zaragoza in the late 1950s to build agricultural equipment and vehicles Willys Overland Jeeps under license from Kaiser-Willys.
It was one of three companies specializing in the production of commercial vehicles, two of them, ENASA and AISA, were controlled by the Spanish government through the INI.
The third was VIASA, a division of parent company Construcciones y Auxiliares de Ferrocariles (CAF) that built railway cars and locomotives.
After Hotchkiss stopped building the M201 Jeep under license in 1966, the tooling for it was transferred from France to Viasa in a deal with Thomson-Houston-Hotchkiss-Brandt.
[4] In 1963, forward control "SV" versions went on sale offering a range of models with sharp-edged bodies with straight sheet metal design to simplify manufacture.