SAPA completes the construction of its factory and headquarters for the American market in Shelby Township, Michigan, with the aim of supporting the US Army's vehicle engineering, production, and maintenance programs.

The Spanish Ministry of Defense awards the first phase of the VCR 8x8 Dragon program of 348 vehicles to TESS Defence. The program will reach 1,000 units with the aim of renewing the current fleet of BMR and VEC of the Army. SAPA leads the vehicle's mobility by integrating the powertrain, as well as the generation and management of onboard power.

TESS Defence, S.A. is established, a company composed of Indra, Escribano, Santa Bárbara Sistemas GDELS, and SAPA, dedicated to the manufacturing, development, marketing, maintenance, and lifecycle support of vehicles.

SAPA initiates the construction of its facilities in Shelby Township, Detroit. These will have 10,000 m² dedicated to research, development, and production of transmissions for US Army combat vehicles.

SAPA wins the competition to develop the future transmission for the DEVCOM Ground Vehicle Systems Center (GVSC) with the aim of improving the efficiency of tracked vehicles.

SAPA's SG-850 transmission is selected for the Pizarro family tracked vehicle of the Spanish Army.

SAPA establishes the Placencia R&D Center of Excellence with the aim of designing, developing, and producing advanced mobility and energy generation solutions for armored vehicles.

SAPA begins the modernization of the 35/90 anti-aircraft gun in its GDF001 and GDF005 versions, integrating the Skyguard system.

Participation in the MBT Leopard Program, with the production of transmission, brakes, final drives, and tracks. Subsequently, the first auxiliary power unit for this vehicle is designed.

SAPA launches an ambitious modernization plan that including an industrial alliance with Oerlikon Contraves, nowadays Rheinmetall Air Defence.

In relation to main battle tanks, SAPA participates in the Spanish AMX 30-Roland program by integrating the Allison CD850 transmission.

Production of proprietary developments begins, such as the 75/13 rapid-fire infantry cannon and the 60/65 cannon.

On July 11th, 1935, the Board of Directors of Placencia de las Armas Company Limited meets at its headquarters in London to agree on the liquidation or dissolution of the entity in Spain. Sociedad Anónima Placencia de las Armas (SAPA) is established with the acquisition of the facilities and the construction of a new factory in Andoain.

Placencia de las Armas Company Limited is incorporated.

Thorsten Nordenfelt is replaced in the shareholder group by the British company Vickers Sons & Co. Ltd. Subsequently, in 1910, with the withdrawal of Maxim, Vickers Ltd. becomes the sole owner.

Euskalduna is acquired by Placencia de las Armas Company Limited, a subsidiary of the Anglo-Swedish company Nordenfelt Company Limited, formed by the most important handgun manufacturers of the period, Thorsten Nordenfelt and Hiram Stevens Maxim.

The Euskalduna factory is established in Solaruce, Placencia de las Armas, where handguns and artillery for the Spanish army are manufactured with the most modern machinery of the period.

Diego de Gardoqui, comerciante vizcaino, actuó intermediario entre la corte española y las colonias americanas. Durante su mandato, trabajó estrechamente con líderes estadounidenses como John Jay, George Washington y Jeremiah Lee. Las contribuciones de Diego de Gardoqui fueron cruciales para facilitar el apoyo español a la causa americana, incluyendo la provisión de suministros militares provenientes de las Reales Fábricas de Placencia de las Armas que a través de dos consignaciones enviaron 12.000 mosquetones y otro pertechos militares.

Diego de Gardoqui, a Basque merchant, acted as an intermediary between the Spanish court and the American colonies. During his tenure, he worked closely with American leaders such as John Jay, George Washington, and Jeremiah Lee. Diego de Gardoqui's contributions were crucial in facilitating Spanish support for the American cause, including the provision of military supplies from the Royal Factories of Placencia de las Armas, which sent 12,000 muskets and other military equipment through two consignments.

The Portable Firearms and War Blades Factory of the Villa de Placencia is founded and offered to King Philip II; inaugurating the mass production of weapons. Henceforth, being under the auspices of the Crown, the site is referred to as "Royal Arms Factory”.