Drawing on 90 years of experience in France and worldwide, TSO (a subsidiary of NGE) specialises in track construction, maintenance, and replacement, electrification and catenary upgrades, rail software and survey development, maintenance, rail safety, and signalling.

TSO’s capabilities are complemented by NGE’s expertise, enabling the group to support even complex projects.

Mott MacDonald Group is a leading provider of rail engineering and consultancy services. Operating across 35 global offices, its expert team specialises in everything from rolling stock and asset management to rail operations, railway systems, and infrastructure upgrade and renewal.

With a project portfolio spanning every mode of rail transport, the group prioritises assurance, systems integration, and safety. It has played a key role in numerous transformative projects – including HS2, the Elizabeth Line, and the Jubilee Line Extension.

Leading engineering and construction company Laing O’Rourke supports clients across the UK, Middle East, and Australia, helping them to deliver a range of cutting-edge buildings and infrastructure projects.

Founded over 150 years ago, the business is now working to cement its reputation for construction innovation and excellence. In the rail industry, it delivers everything from cross-country, heavy haul lines to urban commuter service upgrades. Its areas of expertise range from civil engineering, programme management and tunnelling to electrification, track installation and signalling.

L.B. Foster Europe is a world class engineering solutions business.

Our brand enjoys a market leading reputation around the world for high-quality, innovative friction management solutions for both trackside and on-board applications as well as high-performance track components.

Providing engineering technology innovations and expert support to enable safety, improve information flow, keep things moving, monitor conditions and enhance environments, improving the lives of people who rely on us to keep our world moving.

At Krause and Hall we specialise in the provision of railway electrification services. And, since our formation in 2007, we have established ourselves as a trusted supplier for our client base offering flexible and valued working relationships.

Krause and Hall have a proven record in the industry and can provide experienced management and delivery teams to meet our clients’ requirements across a broad range of capabilities.

Mechanical and electrical engineering solutions specialist KH Engineering Services Ltd (KHES) delivers a range services, developed for the rail and wider transport sectors.

Whether clients need initial design support or turnkey delivery, KHES can help, providing first-class, cost-effective electrification solutions. These solutions cover everything from heating, lighting, and cabling to ticket vending machines and security systems.

With a range of accreditations and the support of the electrical industry, KHES is committed to continuous improvement and control.

A leading construction engineering firm, Keltbray specialises in fully integrated project delivery. Its multi-disciplinary teams provide innovative engineering solutions, supporting clients in a range of building and infrastructure sectors – including rail.

With specialist plant and a ‘can-do’ culture, these teams deliver work on time and within budget – whether they’re providing standalone services or an integrated solution.

Gutteridge, Haskins & Davey (GHD) is one of the world’s leading engineering, architecture, and environmental consulting companies, with integrated digital and advisory businesses.

GHD is an employee-owned company with a stated vision to address humanity’s most urgent needs: to ensure water, energy and urbanisation are made sustainable for generations to come.

Forte Engineering Ltd are the UK’s trusted partner for electrical and mechanical, telecoms and design engineering expertise for any project on the railway.

Our ethos is to always deliver excellent service, coupled with an innovative approach, so you can be guaranteed the best solution for your project.

Flamgard Engineering Limited is a Welsh manufacturing firm with products used in major international projects including the New Safe Confinement dome at Chernobyl and the Riyadh Metro Line 1 &2 in Saudi Arabia.

Flamgard have supplied extensively in the UK metro sector to Crossrail and Northern Line Extension, with fire dampers, tunnel dampers and various air management dampers. Flamgard’s under platform extract system has received much interest in its ability to significantly cut down commissioning and re-balancing time.

ESL is an engineering and construction contractor working closely with a wide range of clients, across several disciplines, within the UK rail industry.

Part of Germany’s Deutsche Bahn (DB) Group, DB Engineering & Consulting GmbH (DB E&C) delivers railway projects in more than 100 countries around the world.

For more than 50 years, DB Engineering & Consulting has led the planning and implementation of infrastructure projects in Germany and around the globe.

Our project portfolio includes the Haramain high-speed line in Saudi Arabia, Sydney Metro Northwest, California High Speed Rail, Rail Baltica, VDE 8 in Germany, the Kochi Metro and Mumbai Metro L4 project in India, the Shongolo Train project in South Africa and HS2 in the UK.