About us

The Aria-Seprolec Group is an EMS made up of 2 production sites, whose activities cover the entire life cycle of our customers' products. Dedicated to complex and highly demanding electronic products, our fields of application range from industrial, defense, aeronautical, medical and space applications.

People at the heart of the process

Quality and management are our primary concerns

Locations in France
41,94 M€
sales for the two manufacturers combined in 2022
50 years
of experience


Aria Electronique is an industrial electronics manufacturer specializing in the aerospace,military and nuclear markets. Aria Electronique is ISO 9001, EN9100 and UL 2010 certified.

Founded in 1982 in Aston (09), Aria Electronique is now based in Verniolle (35 minutes fromToulouse), in premises built in 2011.

Aria Electronique has 35 employees and sales of €3.5m. The company is a member of theAerospace Valley competitiveness cluster and SNESE.

In December 2018, Aria Electronique was acquired by SEPROLEC (Vire, Normandy). Thesharing of production resources between Seprolec and Aria, provides the industrial group withflexibility, and business continuity plans for our customers.


Since 1973, Seprolec has been a specialist subcontractor for the manufacture of electronic boards and assemblies in medium and small production runs.

Our business is to support designers of professional and industrial electronics, in the development of high value-added products, with a range of services that includes co-engineering, industrialization, prototyping, manufacturing, testing, assembly and logistics.

Our state-of-the-art industrial facilities and our teams of experts put their responsiveness at the service of your competitiveness every day.

Professionals who listen, customer satisfaction is at the heart of Seprolec's values and requirements. Our experts are with you every steps of the life of your products. A structure with cutting-edge skills but on a human scale, for an effective partnership and a close relationship.

The Group's investment policy, past and future, enables Seprolec to be at the cutting edge of technology: assembly, testing, traceability, automation, data quality...

For all our products, our quality management system is assessed and monitored on a daily basis. This monitoring enables us to make the necessary and essential improvements to our interrelated processes.

Through internal and/or external training, we ensure that all our employees are highly versatile. This versatility enhances our responsiveness, competitiveness and know-how.

Retrospective 1973-2023


Thomson sets up a factory in Ger (Normandie)


The business is sold to Alcatel


The company is renamed Seprolec, and becomes part of the Piaget Group. Start of subcontracting and arrival of SMD technology


ISO 9000 certification


Sale to a private group


Seprolec is taken over by two partners, including Patrick Soghomonian, who will manage the company until the end of 2022, after significantly increasing sales and floor space, setting up integration activities, and integrating the Aria project.

The Group has always invested heavily, enabling it to keep pace with all process and technological developments.


Seprolec is taken over by Philippe Masselin, who comes with long experience of EMSand industrial tools from major groups such as Alcatel and Thales. 2023 sees the launch of several projects to boost the Group's performance: diversification, Lean management, automation, creation of a Technical Department, training and reinforcement of teams to prepare for the future.

A word from the Chairman

« Aria-Seprolec is a long industrial adventure, built with prestigious customers who have enabled us to build up exceptional experience and a desire to do things right. Constant progress, high standards and ambitious goals are part of the Group's DNA. The story continues, resolutely looking to the future, by affirming our humanist values and the progress shared by all: staff, partners and, of course, our customers! From co-engineering to after-sales management, from boards to the integration of functionally tested systems, we are present throughout the entire product life-cycle.»
-Phillipe Masselin

Our values and commitments

The group puts people at the heart of the process






Our localisation



Parc d’Activités Les Neuvillières
Rue Guillaume Le Conquérant
14500 Vire – France

See the map

Join us

From PARIS, take the A13 highway, at CAEN take the South ring road, then the A84 highway towards RENNES. Leave the A84 at the VIRE exit - journey time 2h45. From RENNES, take the A84 highway (CAEN), leaving it at the VIRE exit - Journey time 1h30

VIRE station is served directly from Gare Montparnasse Vaugirard by the PARIS -GRANVILLE line - Journey time 2h45.

CAEN-CARPIQUET airport (45min)
RENNES airport (1h30)


278 Rue Antoine de St Exupery
Parc Technologique Delta Sud
09340 Verniolle - France

See the map

Join us

From TOULOUSE, take the A61 highway towards Narbonne, then the A66 towards FOIX/ANDORRE.
Exit 7: Verniolle, Parc d'Activités DELTA SUD. - Journey time 50min

Toulouse Blagnac airport
(1h10 from PARIS)

Want to chat?

An electronic project? A simple question?
Don't hesitate to contact us to discuss it together!

Our associates

Our team to meet your needs

Philippe Masselin
Philippe Masselin
Group CEO
Michel Deleglise
Michel Deleglise
Aria Managing Director
Fethi Benyoussef
Fethi Benyoucef
Sales Director
Cyril Lebaron
Cyril Lebaron
Administrative &
Financial Manager
Aline Josse
Aline Josse
Human Resources Manager
Philippe Larmanger
Philippe Larmanger
Industrial Manager
Laurent Vichery
Laurent Vichery
Production Manager
Katia Leneveu
Katia Leneveu
Quality & CRS Manager
Christophe Sieffert
Christophe Sieffert
Sales Engineer
Guillaume Senseby
Guillaume Senseby
South-West Sales Manager
Jimmy Leconte
Jimmy Leconte
North-West Sales Manager
Laurent Deloo
Laurent Deloo
Supply Chain
Aurélie Savary
Aurélie Savary
Customer Service

We're hiring!

Our team is growing fast, and we're always on the lookout for smart people