USI Group Holding AG operates in the Nonresidential building operators sector. USI Group Holdings AG (USI) is a Switzerland-based investment holding company. Through its subsidiaries it is active in property investment, intermediate financing and holding. The Company acquires real estate in the United States, the United Kingdom and Continental Europe, which it leases on a long-term basis to tenants whose cash flow is primarily generated, directly or indirectly, from government sources. The Company's activities are divided into three areas: investments in Government tenanted property, investments in associated undertakings and central corporate costs. However, as of December 31, 2010, the Company generated revenue only from Government tenanted property sector. As of December 31, 2010, the Company wholly owned USIGH Limited, USI AG, USIGH II Investments Limited, USI Germany Limited and USI Leipzig Limited, USI Verwaltungszentrum Leipzig GbR and held shares in Public Service Properties Investments Limited.