Today, mainframe computers play a central role in the daily operations of most of the world's largest corporations. ... In banking, finance, health care, insurance, utilities, government, and a multitude of other public and private enterprises, the mainframe computer continues to be the foundation of modern business.

Do companies still use mainframes?

Mainframes continue to shine at traditional tasks

Mainframes are still hard at work doing the jobs they have traditionally done. 67 of Fortune 100 enterprises continue to use mainframes for their most crucial business functions. ... That's why banks still lean on mainframes for their core operations.

What company uses mainframe computers?

IBM, with z Systems, continues to be a major manufacturer in the mainframe market. In 2000, Hitachi co-developed the zSeries z900 with IBM to share expenses, and the latest Hitachi AP10000 models are made by IBM.