Acorel is specialized in real-time solutions for automatic people counting based on most accurate technologies for passenger flow analysis since 1989.

Achilles has been an audit partner to the UK rail industry since 2001 developing and implementing the high standards of audit the industry requires.

Aluminium Lighting Company (ALC) was incorporated in 1994. Having grown to a team of some 30 staff, we are an established supplier of the European rail and highways sectors.

The ACO Water Management range has pioneered the management of surface water and today provides architects, specifiers and engineers with a complete package of integrated systems suitable for use across the entire spectrum of civil engineering projects.

AEGIS is an independent railway engineering company. Since our formation in 1997, we have built an industry-wide reputation for providing direct access to highly experienced professionals providing engineering expertise, innovative solutions, rapid responses, agile methods and value for money.

Arthur Flury (UK) Ltd was established in 2010 to provide local contact and to support the UK’s rail industry. Overhead Line Equipment from Arthur Flury is also in use throughout more than 40 nations around the globe.

Althon Limited manufacture and distribute specialist water management products to the construction industry.

ABG is a market leader in the design, development, manufacture and technical support of high-performance geosynthetic systems for use in a wide range civil engineering, environmental and sustainable building projects.

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.

AtkinsRéalis is a world-leading design, engineering and project management organisation. We connect people, data and technology to transform the world’s infrastructure and energy systems.

Auditel is a leading Cost, Procurement & Carbon Solutions Company. We help organisations reduce their carbon emissions whilst also reducing their costs.

Auctus Management Group supports and maintains the UK’s Infrastructure.