Unisys Corporation is a provider of information technology services and solutions with operations across the world. The company is also involved in the design and manufacture of information systems equipment and other related hardware.

In 2001, the company had a profit of US $1.65 billion on revenues of US $6.02 billion. It is headquartered in Blue Bell, Pennsylvania, Pennsylvania, a community in Whitpain Township, Pennsylvania.

=History=

It was formed in September 1986 through the merger of the mainframe corporations Sperry Corporation and Burroughs Corporation, with Burroughs buying Sperry for $4.8 billion. The name was chosen after an internal competition. The merger was the largest in the computer industry at the time and made Unisys the second largest computer company, with income of $10.5 billion. In 1988 the company acquired Convergent Technologies (Unisys), and their innovative Convergent Technologies Operating System.

Important events in the company s history include the development of the UNIVAC 1100/2200 series from 1986, including the UNISYS 2200/500 CMOS mainframe, and the Micro A in 1989, the first desktop mainframe.

=Products=

As of 2004, Unisys is involved in the production of the Unisys ES7000 family of midrange to high-end servers. This server family uses Intel processors such as Xeon or IA64. The server runs Microsoft Windows Server 2003, Novell Linux, Red Hat Linux, and Sun Solaris 10. It is also one of the most popular players in the 4 to 32 way server market in businesses and governments, particularly in Europe, India, and China. The company also has a low end line and a mainframe line, Clearpath . Clearpath is capable of running, not only mainframe software, but both the Java virtual machine platform as well as the JBoss J2EE Application Server. The Clearpath system is available in either a 2200-based system (Sperry) or an A Series-based system (Burroughs).

The majority of Unisys revenues, though, are from services and solutions.

=Controversy=

Unisys is perhaps better known for its single patent on the .

Unisys was the target of Operation Ill Wind , a major corruption investigation in the mid-to-late-1980s. A number of employees were imprisoned as a result.

In 2005, there was further trouble for the company related to consulting work it was doing for the U.S. government. In October, federal auditors announced that the company had overbilled on the 1-3 billion dollar contract for almost 171,000 hours of labor and overtime. Unisys denied wrongdoing.

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