ExxonMobil UK (Esso), part of the largest oil company in the world, is in the east of Leatherhead, next to the M25 towards Ashtead at ExxonMobil House, off the A24 (founded as Anglo-American Oil Company in 1888, the brand Esso was introduced in 1935, and the company became Esso Petroleum in 1951); ExxonMobil, in 2010 by revenue, was the world's second largest company, second to Royal Dutch Shell (BP was fourth). In the town is the research centre Leatherhead Food International with the Wates Group nearby, opposite Leatherhead railway station,[citation needed] Unilever Bestfoods (in Crawley before 2008), and to the south is Robert Dyas; Puma UK is east of Unilever near the M25 and A243.