BMC Software, Inc. is a software vendor. The Company provides system management, service management and automation solutions primarily for large enterprises. Its portfolio of software solutions spans mainframe and distributed systems, applications, databases and information technology (IT) process management functions. BMC Software also provides its customers with maintenance and support for its products and perform services for software implementation, integration, IT process design and re-engineering and education. The Company is organized into two software business segments: Enterprise Service Management (ESM) and Mainframe Service Management (MSM). In June 2008, the Company completed the acquisition of ITM Software. In August 2009, the Company acquired MQSoftware. In October 2009, BMC Software, Inc. announced the completion of its acquisition of Tideway Systems Limited.