Maps and GPS directions to Harvey Norman Tampines Mart and other Harvey Norman Stores in Singapore. Find your nearest Harvey Norman Stores. Harvey Norman is a premium retailer for all your electrical and computer needs. Find everything from the latest home entertainment systems, GPS and the best computer technology, to the most stylish and innovative home appliances available. Harvey Norman endeavours to provide the most current product innovations and advancements from the leading brands. Harvey Norman has stores in Australia, U.K. and Ireland.