Diamond is a dynamic and growing business. As we continue to develop a broad portfolio of service offerings, our vision is to become the go-to industry partner for innovative and collaborative working relationships, delivering high quality and value-added services throughout the rail sector.

Depot Rail Limited was started in 2001 as a rail based consultancy company, but quickly became involved in the specification and sourcing of equipment for rail maintenance depots. 

Since 1893, Whitmore has been providing high-performance products to a variety of industries.

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

Based in the heart of the West Midlands, Totalkare is a leading supplier of heavy duty lifting and testing equipment and in 2020 the Company celebrated 40 years of supplying mobile column lifts in the UK.

Weighwell Engineering Ltd has over 30 years’ experience supplying specialist train weighing systems and has been trusted and respected worldwide for its engineering skill, expertise and innovation.