East Midlands off the A428 in north Northampton. Butcher's Pet Care dog food (mostly own-label) is off the A428 at Crick (M1 junction 18). The crisp company Walkers (owned by PepsiCo and the UK's biggest grocery brand) makes 10 million bags of crisps a day, using 280,000 tonnes of potatoes a year, at the biggest crisp factory in the world at Beaumont Leys; next door Bradgate Bakery makes sandwiches, and nearby Walker & Sons make pies (Samworth Bros) at their Charnwood Bakery. Opposite the crisp factory at Beaumont Leys, Beaumont Park is PepsiCo's main research centre in the UK. Pork Farms is
PepsiCo syrup. PepsiCo also has formed partnerships with several beverage brands it does not own, in order to distribute or market them with its own brands. As of 2010, its partnerships include: Starbucks (Frappuccino, DoubleShot, and Iced Coffee), Unilever's Lipton brand (Lipton Brisk and Lipton Iced Tea), and Dole (licensed juices and drinks). "Frito-Lay North America", the result of a merger in 1961 between the Frito Company and the H.W. Lay Company, produces the top selling line of snack foods in the U.S. Its main brands in the U.S., Canada, and Mexico and include Lay's and Ruffles potato chips; Doritos tortilla