Our values

Since 1975, SUMPAR has been defending its values in order to build your trust.

Our offer

The SUMPAR Group specializes in the supply of metal parts and sub-assemblies with high added value in the aircraft industry (programming, machining, sheet metal work and assembly)

Join us

Thanks to steady growth, the Group has emerged as a reference in the aircraft industry.


Salon International de l’Aéronautique et de l’Espace

From 17 to 23 June 2019, SUMPAR will be present at the Paris Air Show at Paris-Le Bourget. The Group will have a 54-m² space in the Normandie AeroEspace (NAE) stand, HALL 2B. 


On March 2019, installation of a new 5 axes machining unit (8 x 3.2 x 1.5 m)


«As an expert serving tier 1 customers and project owners in the aircraft industry, SUMPAR is a reference in the production of high-added-value parts and sub-assemblies. Its operational performance, its reliability and its responsiveness are appreciated and recognized. Its services include co-engineering, production of sub-assemblies and their final delivery to the assembly line. The Group supports its customers throughout their projects, making proactive proposals and demonstrating a great ability to adapt. It has all the strengths needed to be a leader in its business: competent and motivated people, cutting-edge equipment and, above all, a strong desire to continue growing, so that it can always serve its customers best.»

Loïc Leroy,

134 Rue de la Forge Féret
76520 Boos