Business Design Centre Showroom, Islington, London In February 2009, Cargo Granite opened a third showroom at the Business Design Centre in Islington, London. It offers a professional and modern business environment, close to the Angel tube station and outside the congestion charging zone. 100 businesses occupy the offices & showrooms at the Business Design Centre and the venue also hosts over 80 exhibitions and 250 conferences every year. The Chiltern Marble Group has a dedicated division, Protile, project managing all tile and stone fabrication contracts from the Business Design Centre. Among the ranges showcased are exquisite granite samples, semi-precious stones, and cool and contemporary engineered stone ranges.