The Army have a large garrison in Aldershot, with Sandhurst being nearby. Elica also make extractor hoods in Aldershot, and the European HQ of the Computer Sciences Corporation consulting firm is based at the A323/A325 roundabout; Securikey on Springlakes Ind Est make digital door locks near the railway bridge over the Basingstoke Canal. Rentokil Initial have their head office and pest control division next to Blackwater railway station, north of the A30, towards Camberley. Farnborough has many international aerospace companies as well as Sofa Workshop. Nokia UK, which had also been a R&D base for Nokia Siemens Networks on the A327, left in 2012; further along the A327 is Autodesk UK.