Sumitomo Corporation operates its Lake Success Shared Services Center in Suite 220 at 1999 Marcus Avenue in an area in the Town of North Hempstead, south of Lake Success.
Potosi is also the location of the San Cristóbal silver, zinc and lead mines, developed by the US-company Apex Silver Mines Limited of Colorado and in November 2008 sold to the Japanese Sumitomo Corporation.
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It has benefited from steady economic growth and is now the second commercial and financial center of the city, housing international firms like Moody's, Citibank, Aon Corporation, Huawei, Millicom International Cellular, Pan American Silver Corporation, a Sumitomo Corporation branch, Ernst & Young, and the "MegaCenter", Bolivia's biggest shopping mall (52.000 mts2 of construction).
Established in 1983, Swaraj Mazda Limited, an Chandigarh, India based automobile company, is owned by the Sumitomo Corporation of Japan and Punjab Tractors Limited of India, with a technical collaboration with Isuzu and Mazda of Japan.