Santa Bárbara Sistemas is a Spanish defense contractor based in Madrid, integrated under the European Land Systems of General Dynamics. It is one of the primary suppliers of the Military of Spain and is responsible for the assembly of heavy vehicles such as the Spanish Army's Leopard 2E main battle tank and the Pizarro infantry combat vehicle. The primary lines of business of Santa Bárbara Sistemas are armoured vehicles, special and amphibious vehicles, weapons systems, munitions and missiles, and Research & Development.