Unisys Corporation is an American global information technology company based in Blue Bell, Pennsylvania, that provides a portfolio of IT services, software, and technology. Unisys has a long history in the technology industry. The company traces its roots back to the founding of American Arithmometer Company in 1886 and the Sperry Gyroscope Company in 1910. Unisys predecessor companies also include the EckertMauchly Computer Corporation, which developed the world's first commercial digital computers, the BINAC, and the UNIVAC.
VMware, Inc. is a US software company that provides cloud and virtualization software and services, VMware's desktop software runs on Microsoft Windows, Linux, and Mac OS X, while its enterprise software hypervisors for servers, VMware ESX and VMware ESXi, are bare-metal hypervisors that run directly on server hardware without requiring an additional underlying operating system. In 1998, VMware was founded by Diane Greene, Mendel Rosenblum, Scott Devine, Edward Wang and Edouard Bugnion. Greene and Rosenblum, who are married, first met while at the University of California, Berkeley.