Oscar Gruss & Son Incorporated traces its roots back to 1918. It was in Poland, at the end of the First World War, that a you ... ng Oscar Gruss opened an office in the city of Lviv to trade in foreign currency. The core values of his business were integrity, hard work and the eternal pursuit of opportunity. Following this simple formula for success, the firm quickly grew to a staff of over fifty employees in both offices in Lviv and Warsaw, in the short span of a few years. Oscar Gruss & Son Inc. is now a wholly owned subsidiary of Makor Group. read more