 In 1992, Unilever sold the business to Lord's Hanson and White, together with Ground Round restaurants, Tommy Armour golf clubs and a tuna processor in Long Island California.Marine Harvest International (MHI) IPO on the Amex made it the first pure aquaculture play on the global stock markets.Two years later Booker Plc took the company private with the MHI shrimp division, in Ecuador, being sold to Pronaca (an Ecuadorian feed company).