Ballo Family Trust, 45 Woodchester Rd, Waltham, MA 02451, US

Established in 1960, Duffy Properties is one of the leading real estate development and management firm in the United States. Based in Waltham, Mass., the company provides hands-on service for various businesses, including development, acquisition, site selection, permitting space planning, construction, leasing and property management. It also deals with identifying, developing quality properties, saving money for its tenants by treating taxes and operating expenses as accounting procedure and limiting debts by purchasing properties for the commercial and residential properties.