MacDermid Autotype at Wantage makes precision coated films. Oxford Instruments is in Marcham on the A338. Williams Grand Prix Engineering is based at Grove on the A338 north of Wantage. Towards Wiltshire, the Defence Academy of the United Kingdom is in Shrivenham, with the Defence School of Languages (previously at Wilton Park north of the M40 Beaconsfield Interchange), and the Joint Services Command and Staff College is in Watchfield. South of Shrivenham, on the western edge of Oxfordshire at Ashbury on the B4000, is Bunce, who make snow-clearing equipment.