C.A.S Rail are a skilled team of Signalling Designers with additional expertise in planning and conducting signalling correlation and surveys. Our experience spans a wide range of projects, from minor renewals and enhancements to major re-signalling and remodelling schemes, where we have taken on roles as both Designers and Surveyors.
Our in-depth understanding of design house requirements allows us to deliver high-quality correlation tailored to the specific needs of each project.

At Apex Signalling Design & Consulting we deliver efficient and effective rail signalling design solutions. From early feasibility to detailed design. With years of experience in the industry, we have a deep understanding of the complexities involved in railway signalling design and work closely with you to ensure that your projects are delivered on time, within budget, and to the highest standards.

Voestalpine Signaling UK is the global market leader in remote condition monitoring, with over 30 years’ experience in locating and predicting faults on railway assets.

Its flagship ROADMASTER® and AssetWatch systems use advanced analytics to provide a complete real-time monitoring and predictive maintenance solution – from the trackside asset’s sensors directly to the maintainer’s mobile and laptop.

Thales has a wealth of expertise in the urban, heavy, light rail and rail freight sectors with over 50 years’ experience in the UK rail industry. It has around 6,000 engineers deployed on transport programmes worldwide.

The Thales product portfolio extends from train control signalling systems including CBTC, ERTMS and TPWS solutions, to trackside mounted equipment, wide area control, telecommunications systems, supervision and control systems, passenger information systems, security systems and revenue management systems.

Part of the wider Lowery Group, Lowery Ltd acts as a principal contractor, specialising in signalling, telecoms, DC, high voltage and low voltage electrical installations, and track and civil engineering works. The firm focuses on the rail and power sectors, developing long-term customer relationships underpinned by knowledge, experience, and an unwavering commitment to safety. Incorporated in 1950, it now operates across four strategically located regional offices.

Graybar is a specialist manufacturer of products for the rail industry., with an impressive range of products that have PADS approval from Network Rail.

We manufacture a very successful and unique self-regulating railway point heating system and the largest, comprehensive range of cable accessories for railway infrastructure telecommunications, signalling and power cable applications.

And we supply a complete design authority, system manufacturing, supply and installation, training, and commissioning service.

Universal Signalling is a disruptive start-up, new to the railway industry in 2022 but with technology under development since 2018.

A lab-demonstrated Universal Interlocking system is made of low-cost COTS components, which form modular, extensible and pre-assured building blocks containing all the rules of the route.

Our digital signalling solution is robust, resilient and flexible, but most importantly it is rapid and low-cost to deploy.

DigiSig Rail offer a range of signalling design and consultancy services, all developed to support and enhance train control systems and associated equipment.

Park Signalling was formed in 2000 by key staff from Alstom Signalling, since then we have evolved into an industry-renowned highly motivated team of specialists, who together offer unrivalled signalling system knowledge complemented with in-house hardware and software design and build expertise.

Camlin Rail Ltd’s train monitoring solutions are designed to make railways safer and more sustainable. It supplies automated, reconfigurable power systems, and the very first intelligent, 3D pantograph monitoring system. Supporting the ‘digital railway’ initiative, these solutions have been rolled out across North America, Europe, and Asia.

Camlin Rail Ltd is a trusted global partner to the rail industry, and organisations including Network Rail, Talgo, CAF Digital Services, and CalTrain.

A Network Rail Principal Contractor supporting some of the biggest names in rail, we provide signalling, power and telecoms services to some of the UK’s highest-profile infrastructure projects.

Sigtech Rail Consultancy provide high quality signalling support for plain line and S&C renewals, as well as signalling assistance for civil work in the rail industry.