One of Scotland's largest food companies, Grampian Country Foods, has recently been acquired by the Dutch food producer, Vion, for an estimated £350m.Grampian employs 17,500 staff worldwide. This includes 13,000 in the UK and 4500 in Thailand. The company's turnover is £1.8bn.Vion already has four UK-based operations which produce bacon, pork, beef, sausages and pizzas.Vion has an annual turnover of more than £5.5bn and employs 18,000 people in its international operation.