Question: What Argentinian company made the  Ballester–Molina, and also manufactured aircraft, machinery, and vehicles?
Context: The Ballester–Molina is a pistol designed and built by the Argentine company "Hispano Argentina Fábrica de Automóviles SA" (HAFDASA).  From 1938 to 1940 it bore the name Ballester–Rigaud. CAEplex is a computer-aided engineering web-based platform which was designed from scratch to run finite-element analysis models on cloud computing.  Technically speaking, it is a web front end for a number of mechanical engineering free and open source back end tools running on an UNIX server.  It was developed by the Argentinian company Seamplex and launched on February 2017. Hispano-Argentina was an Argentinian automotive and engineering company that manufactured vehicles, aircraft, machinery, weaponry and parts for public works. ASA Aluminium Body is an Argentinian company that produces exact replicas of racing cars from the 1930s, 1940s and 1950s. The Manuel Piar Hydroelectric Power Plant (Tocoma Dam) is under construction and it is the last hydroelectric development project in the Lower Caroní River Basin of Venezuela.  The project includes the installation of 2320 MW MW to generate an annual average energy of 12,100 GWh .  Ten Kaplan generator units, of 230 MW , manufactured by Argentinian company IMPSA, were predicted to begin operations between 2012 and 2014.  The first generator was installed but not yet commissioned in April 2012.  Behind scheduled, the dam began to impound its reservoir on 16 November 2015.  These units had the world record as of 2012 in power generation at nominal head for Kaplan turbines.  The diameter of the runner is 8.6 m and nominal head is 34.65 m with claimed output up to 232 MW . Sociedad de Fabricación de Automotores (SOFASA) is a Colombian company that assembles imported Renault and, in the past, Toyota and Delta Daihatsu vehicles.  It was the first company to produce the Renault Logan in the Americas.  In addition to Logan also manufactured Renault Clio, Renault Symbol, Megane and Twingo.  It also manufactured trucks like Toyota Prado, Land Cruiser, Hilux and Daihatsu Delta.  The company exports to the Andean Community of Nations (CAN) and supplies the national market of automobiles in Colombia.  Currently, Renault is the sole shareholder of the company. Interstate Aircraft and Engineering Corporation was a small American aircraft manufacturer in production from April 1937 to 1945, based in El Segundo, California.  In 1940 they developed the Cadet, a 2-seat monoplane.  The Model S-1B was developed into the XO-63, later redesignated to the XL-6.  A total of 259 of the XO-63/L-6/L-8 series were built for the US Army Air Forces.  The company also manufactured a trainer for the US Navy which was developed in only nine months, from the first blueprints to first flight of the prototype.  The company also manufactured bomb shackles, machine gun and cannon chargers, hydraulic actuators, and other aircraft components. Kikai Labs was an Argentinian company that produced 3D printers until late 2016, when it went bankrupt due to poor financial management. Laffly was a French manufacturer of trucks and utility vehicles.  Founded in 1849, the Laffly company began manufacturing utility vehicles in Billancourt in 1912.  From the mid-1930s and until World War II, the company also manufactured a range of offroad military vehicles such as the Laffly S15 and Laffly V15. Zmaj () officially named "Fabrika aeroplana i hidroaviona Zmaj" (English: Airplane and seaplane factory Zmaj) was a Yugoslav aircraft manufacturer.  It was founded in 1927 and it was the third aeronatical factory in Serbia.  At the beginning it manufactured aircraft under French license, and in 1932 it started with local planes designed by Jovan Petrović and Dragoljub Šterić.  Several types of aircraft were manufactured by Zmaj, among them passenger Spartans for the domestic airliner Aeroput.  Zmaj workshops manufactured in total 359 aircraft up until 1946, when the factory stopped manufacture for aviation industry purposes and the company was nationalised and merged with Rogožarski into Ikarus.
Answer: Hispano-Argentina