Optibase invests in the fixed-income real estate field and currently holds properties and beneficial interest in real-estate assets and projects in Switzerland, Texas, Philadelphia, PA, Miami, FL, and in Chicago, IL, USA and is currently looking for additional real estate investment opportunities. Optibase was previously engaged in the field of digital video technologies until the sale of its video solutions business to Optibase Technologies Ltd., a wholly owned subsidiary of VITEC Multimedia in July 2010.