 During World War II he worked with industrial factories, associating with the Axis Power countries.After the war ended, he began working with American businesses, importing iron products for the Japanese steel industry, when at the same time exporting a variety of Japanese-made products to India.At the start of the 1950s, Eisenberg expanded his business to other countries in the Far East, especially South Korea, where he invested money while mediating between the local authority to manufacturers from the East that were also doing business there.