4NRJ

Railway infrastructure tools and maintenance solutions for rail operators and infrastructure project teams

La Chaussee-Saint-Victor, FranceFounded 20084nrj.com Website technologies

Highlights

New on EvolcAdded 2026-10-30

About 4NRJ

4NRJ designs and develops tools for railway infrastructure, including catenary, signalling and track maintenance. Its services span requirements definition, CAD design, prototyping, industrialisation, installation and after-sales support.

The company works with clients to develop tailored products and supports projects through delivery and performance follow-up. Industrialisation is carried out with specialist partners.

Founded in 2008, 4NRJ is headquartered in La Chaussée-Saint-Victor, France, and has 10–19 employees. Its products include an inclinometer and tools for railway infrastructure maintenance.

Product: Custom railway infrastructure tools and maintenance products, with design, prototyping, industrialisation, installation and support services.

Public tenders won

1 tender won since 1 Jan 2024 from 1 public buyer in Belgium. From EU award notices (TED) that name 4NRJ by its registry number.

14 Jun 2024 Infrabel sa · Signaux mobiles rouges et bleus notice

Open tenders like these →

Jobs at 4NRJ

No open positions listed right now.

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