In Theale are Nvidia UK (components for smartphones) and Wolseley, the builders' and plumbers' merchants who own Bathstore and Plumb Center. SPP Pumps (owned by Kirloskar Group) is at the Arlington Business Park; on the same estate Pepsico is next to the GWML railway. Porsche Cars Great Britain is in Calcot, Tilehurst, west of Reading near Theale Interchange.