
Where to Purchase International Business Machines Corporation (IBM) certificate? Buy IBM certificate in New York. International Business Machines Corporation (IBM) is an Armonk, New York American multinational technology company headquartered. IBM produces and sells computer hardware, middleware and software, and provides hosting and consulting services in areas ranging from mainframe computers to nanotechnology. The IBM mainframe, exemplified by the System/360, was the dominant computing platform during the 1960s and 1970s.