— Since 1981 · Élancourt, France

Critical systems designed to last

Your industrial partner for designing, manufacturing, and maintaining critical equipment for your programs.

Schéma de conception d'un appareil d'alarme avec vues frontale, latérale, en perspective et en explosion.

They trust us

— Portfolio

What we design, build, and maintain

French equipment for environments where communication cannot fail. Electronics, mechanics, and real-time software, designed and manufactured in Élancourt.

Schéma en coupe d'un interphone mural avec haut-parleur, caméra et boutons visibles.

REF 01.

PMR · EC 1107/2006

Call terminals

Emergency, information, reception, PRM accessibility. Public spaces, stations, airports.

Schéma en ligne d'un dispositif électronique démonté avec antenne, écran, boutons et carte mère visibles.

REF 02.

IP · GSM

IP Intercom

Crisis rooms, control rooms, security control centers, operations centers.

Schéma technique montrant un dispositif électronique mural avec panneau avant amovible fixé par trois vis.

REF 03.

AUDIO · VIDEO · SIV

Displays

Passenger information for transportation. Multi-language, centralized control.

Diagram showing exploded view of a network device with outer casing removed and circuit board exposed.

REF 04.

ANALOG & RADIO

SIP gateways · retrofit legacy

Connect analog or radio infrastructure to a modern IP architecture.

Schéma d'un boîtier électronique ouvert montrant une carte et un couvercle avec vis.

REF 05.

NAVAL · RAILWAY · DEFENSE

Ruggedized Systems

Cards and terminals qualified for naval, railway, military vehicles.

Schéma éclaté d'un appareil électronique montrant le boîtier, circuit imprimé et panneau avant avec connecteurs.

REF 06.

TEST BENCHES · TRACEABILITY

Simulators and data loggers

Test benches for validating critical equipment. Recorders for signaling.

— 01 · PUBLIC TRANSPORT

Public transport

Call points, information desks, intercom systems, passenger information displays, simulators, and data loggers. Nearly 30 years of operational railway telephony and complex systems.

600+ points d'accès

SNCF · Transilien

1 000+ stations

Grand Paris

Borne d'alarme jaune sur un quai de métro avec un panneau d'affichage en arrière-plan.

See our transport solutions

600+ POINTS D'ACCÈS

— 02 · AIRPORT

Airport

PRM call points compliant with EC 1107/2006 and CEAC Doc 30. Over 30 years of deployment in French and European airports.

Majority

French airports equipped

10+

European airports

Piste d'aéroport la nuit avec traînées lumineuses rouges et bâtiment de contrôle aérien éclairé.

View our airport solutions

PRM COMPLIANT EC 1107/2006

— 03 · Defense & security

Defense
& security

Onboard intercom systems for vehicles, electronic boards for naval programs, crisis rooms, radio-to-IP gateways.

Sovereign

Designed and maintained in France

Extreme environments

Supports current standards

Porte-avions militaire en mer avec plusieurs avions de chasse stationnés sur le pont.

See our Defense & Security solutions

Extreme environments

— 04 · Custom

Custom

Legacy gateways, simulators, data loggers, retrofit, obsolescence management. When off-the-shelf products are no longer sufficient.

3 engineering departments

Designing critical electronics

MCO

Warranty

Boîtier électronique militaire avec circuits imprimés et connecteurs PWR, DATA 1, DATA 2, ETH, et J1.

See our Custom Solutions

ELECTRONICS · MECHANICS · SOFTWARE

Avis Client

— They work with us

« On cherchait un fournisseur qui serait encore là dans dix ans. On a trouvé Milesys. »

Technical Director · Public Transport Operator

Nos différenciateurs

1981 ——— 2026

45 years

FRENCH EQUIPMENT SUPPLIER

MISSION

Critical Communication

EMBEDDED · RUGGEDIZED · IP

Our equipment operates where communication cannot fail.

CAPABILITY

Custom

ELECTRONICS · MECHANICAL · SOFTWARE

Three integrated disciplines for custom complex systems.

SOVEREIGNTY

100% France

DESIGN · MANUFACTURING

Engineering, production, and test facilities are all located in Élancourt.

Latest publications

Milesys range of terminals on a blue background: yellow alarm terminal with Call button, black cylindrical information terminal, compact solar terminal, and white information terminal — with "Connect, Inform, Protect" counter.

Transport public

Milesys exhibits at the Public Transport Exhibition 2026

Porte de Versailles, June 9–11, 2026. 18 m² booth, call points, and demonstrations.

9.6.2026

To complete — MILESYS ISO 9001 certification visual

Société

MILESYS renews ISO 9001 certification

MILESYS has successfully maintained its ISO 9001 certification following an SGS Certification audit.

26.5.2026

Milesys Production Workshop: rows of metallic electronic modules on a workbench with pink protective foam, a technician in a lab coat working on assembly.

Société

1981–2026: 45 Years Serving French Critical Systems

A look back at four decades of design and manufacturing in France.

11.5.2026

Parlons de votre projet

Transport, airport, defense, or a need that doesn't fit any category. We will contact you within 48 hours for an initial technical discussion.

Or call us at +33 (0)1 30 97 06 60