IBM produces and sells computer hardware, middleware and software, and provides hosting and consulting services in areas ranging from mainframe computers to nanotechnology. IBM is also a major research organization, holding the record for most U.S. patents generated by a business (as of 2020) for 28 consecutive years. Inventions by IBM include the automated teller machine (ATM), the floppy disk, the hard disk drive, the magnetic stripe card, the relational database, the SQL programming language, the UPC barcode, and dynamic random-access memory (DRAM). The IBM mainframe, exemplified by the System/360, was the dominant computing platform during the 1960s and 1970s.
Oracle Corporation is an American multinational computer technology corporation headquartered in Austin, Texas. The company was formerly headquartered in Redwood Shores, California until December 2020 when it moved its headquarters to Texas. The company sells database software and technology, cloud engineered systems, and enterprise software products—particularly its own brands of database management systems. In 2020, Oracle was the second-largest software company by revenue and market capitalization. The company also develops and builds tools for database development and systems of middle-tier software, enterprise resource planning (ERP) software, Human Capital Management (HCM) software, customer relationship management (CRM) software, and supply chain management (SCM) software.
Teradata is an enterprise software company that develops and sells database analytics software subscriptions. The company provides three main services: business analytics, cloud products, and consulting. It operates in North and Latin America, Europe, the Middle East, Africa and Asia