High Wycombe is known historically for its furniture industry, and has the Association of Master Upholsterers & Soft Furnishers. Hyundai UK and Tetra Pak UK are at Wycombe Marsh on the A40, and Dreams, the UK base of Ariston (now owned by Indesit), Wilkinson Sword, Merisant UK, and Staples are based in High Wycombe; Cofely (energy services) and Rank Hovis are off the M40 Handy Cross Interchange, with The Perfume Shop, the food technology centre of Premier Foods, and Instron Europe (tension testing machines), off the A4010. To the north of the town centre is Sennheiser UK (audio equipment). RAF High Wycombe (Air Command) is at Bradenham on Grim's Ditch (Chilterns) off the A4010. To the west of the town, United Biscuits have their group technical centre on Sands Ind Estate, off the A4010, near the rugby ground of London Wasps. Swedish Match UK (all their matches are made in Sweden) are in Totteridge. Johnson & Johnson UK have their base at Booker next to the M40 near Handy Cross, with Janssen-Cilag UK (Imodium); Taylor Wimpey is off the A4010, with Focusrite, a big industry player in consoles for sound recording, with Novation Digital Music Systems MIDI controllers and keyboards.