The International Business Machines Corporation or IBM primarily provides IT products and services worldwide, operating in five different segments; Global Technology Services, Global Business Services, Software, Systems and Technology and Global Financing. The Global Technology segments provides IT infrastructure and business process services. The Global Business Services segment offers consulting and systems integration, and application management services.
The Software segment offers middleware and operating systems software, to integrate and manage business processes information management software for database and enterprise content management, information integration, data warehousing, performance management business analytics, intelligence, and data analytics; Tivoli software for identity management, data security, storage management, cloud computing, enterprise mobility, and automation and provisioning of the datacentre; Lotus Software to connect people and processes for communication; rational software to support software development for IT and embedded systems; security systems software; and operating systems software. The Systems and Technology segment provides commuting power and storage solutions and semiconductor technology products and packaging solutions. The Global Financing segment provides lease and loan financing to end users commercial financing to dealers and remarketers of IT products and equipment. As a company, it has undergone several changes since its inceptions, acquiring companies like SPSS and PWC consulting, and selling off product lines like Thinkpad to Lenovo. It was formerly known as Computing-Tabulating-Recording Co. and changed its name to IBM corporation in 1924. It is headquartered in New York.
In 2012, IBM was ranked second largest US firm by Fortune in terms of number of employees, the 4th largest in terms of market capitalisation, the 9th most profitable and the 19th largest firm in terms of revenue.Trade IBM