Mike Knowles

WA Developments Ltd. provides maintenance and infrastructure facilities to rail network. It offers package encompassing structures, earthworks, lineside infrastructure, geotechnical, drainage and permanent way works. The company operates through its divisions: rail, plant and transportation, building & training. The company was founded in 1993 by Andrew Tinkler and is headquartered in Appleby-in-westmorland, UK

Stobart Rail Ltd. provides rail civil engineering services. The firm offers structures, earthworks, line side infrastructure, geotechnical, drainage, and permanent way works. The company was founded by William Andrew Tinkler in 1993 and is headquartered in Carlisle, the United Kingdom.