Several computer companies were disestablished in 2002. Notable examples include: 1. **Sirius Computer Solutions** - Once focused on providing computing solutions, the company underwent significant changes and was eventually disbanded. 2. **3Com** - Though not completely disbanded, this networking hardware company significantly downsized and underwent multiple restructuring processes in the early 2000s, which affected its operations profoundly around 2002.

In 1991, several computer companies were disestablished, either through mergers, acquisitions, or going out of business. Some notable examples include: 1. **1st Byte** - A company known for its computer systems and products. 2. **ComputerVision** - A company that specialized in 3D graphics software and hardware. 3. **Apex Software** - Known for software development; it ceased operations in the early 90s.

Several computer companies were disestablished in 1992, often as a result of mergers, acquisitions, or market changes. Some notable examples include: 1. **Apollo Computer** - Known for its workstations and software, Apollo was acquired by Hewlett-Packard (HP) in 1989 and was effectively disestablished by 1992 as its products were integrated into HP's offerings.

In 1993, several computer companies were disestablished or went out of business. One notable example is **NeXT**, which was co-founded by Steve Jobs. Although NeXT was officially dissolved in 1997 after being acquired by Apple, it ceased operations in 1993 when it shifted focus from hardware to software development, mainly for the purpose of developing the NeXTSTEP operating system.

Several computer companies were disestablished in 1994. Some notable examples include: 1. **Commodore International** - Once one of the major players in the home computer market, Commodore filed for bankruptcy and ceased operations in 1994. The company is well-known for its Commodore 64 and Amiga computers.

Several computer companies were disestablished in 1995. Some notable ones include: 1. **Apollo Computer** - A company known for its workstations and networking products, which was acquired by Hewlett-Packard in 1989 but continued some operations until officially being absorbed around 1995. 2. **DEC (Digital Equipment Corporation)** - Although DEC was acquired by Compaq in 1998, certain parts of DEC's operations and branding were phased out around 1995.

Several computer companies were disestablished or ceased operations in 1996. Some notable examples include: 1. **NetFrame Systems** - A company known for its network computing and server products, which faced financial difficulties and eventually filed for bankruptcy. 2. **Adept Technology** - Known for its robotics and automation products, the company went through significant changes and ultimately did not survive as an independent entity.

Several computer companies were disestablished or ceased operations in 2000, often due to the dot-com bubble burst, economic challenges, or mergers and acquisitions. Here are a few notable examples: 1. **Rover Technologies** - An early player in the mobile computing market, Rover faced difficulties and ultimately disbanded around this time.

Several computer companies were disestablished or ceased operations in 2003. Here are a few notable examples: 1. **Kozmo.com** - While primarily known as a delivery service, Kozmo also operated in the tech space, leveraging software and logistics technology. The company ceased operations in early 2003 due to financial struggles.

Several computer companies were disestablished or ceased operations in 1997. Here are a few notable examples: 1. **Digital Equipment Corporation (DEC)** - Once a major player in the computer industry known for its minicomputers and workstations, DEC was acquired by Compaq in 1998, leading to its dissolution as an independent company. 2. **Pointcast** - This company was known for its Internet news delivery service and was once considered a pioneer of push technology.

Several computer companies were disestablished in 1998 due to various reasons, such as mergers, acquisitions, or business failures. Some notable companies that ceased operations or were significantly impacted in that year include: 1. **Digital Equipment Corporation (DEC)** - While DEC was officially acquired by Compaq in 1998, this marked the end of its existence as an independent entity. DEC was once a leading manufacturer of computer systems and was known for its PDP and Alpha series.

Several computer companies were disestablished in 2001 due to various reasons such as mergers, acquisitions, or bankruptcy. Some notable examples include: 1. **Digital Equipment Corporation (DEC)** - Once a major player in the field of computers and networking, DEC was acquired by Compaq in 1998 and subsequently disbanded.

In 2006, several notable computer companies were disestablished or ceased operations. One prominent example is: 1. **SGI (Silicon Graphics, Inc.)** - While SGI was founded in 1981, it faced significant financial difficulties in the early 2000s and eventually filed for bankruptcy in 2006. The company was known for its high-performance computing systems and graphics workstations, particularly in the fields of computer graphics and visualization.

Several computer companies were disestablished or went out of business in 2004. Some notable examples include: 1. **Altavista** - Once a leading search engine, Altavista was ultimately absorbed by Yahoo! after its decline in market relevance. 2. **Flic** - Known for its personal digital assistants, Flic ceased operations around this time. 3. **MIPS Computer Systems** - While the MIPS architecture continues to be used, the original MIPS Computer Systems, Inc.

In 2005, several computer companies and technology firms were disestablished or ceased operations. Here are a few notable examples: 1. **Apple's PowerComputing** - While the company was established in the 1990s, it became defunct in 2005. Power Computing was known for making Macintosh clones but struggled to compete after Apple moved to a more closed ecosystem.

In 2008, several notable computer companies were disestablished or ceased operations. Some highlights include: 1. **Fujitsu Siemens Computers** - This was a joint venture between Fujitsu and Siemens that began in 1999. It was dissolved in 2009, but the impacts of its dissolution were felt in 2008 as Fujitsu began to take over the business.

In 2009, several computer companies were disestablished or went out of business. Some of the notable ones include: 1. **Sun Microsystems** - Acquired by Oracle Corporation in January 2010, Sun Microsystems was a significant player in the computer hardware and software industry, particularly known for its workstations, servers, and the Solaris operating system.

In 2007, several computer companies and technology-related businesses were disestablished or experienced significant changes such as mergers, acquisitions, or closures. Here are a few notable examples: 1. **Oracle Corporation's acquisition of Siebel Systems** - While Siebel was a software company, it was a significant player in the CRM space, and its full integration and branding as part of Oracle began to take shape around this time.

Several computer companies were disestablished in 2015. Here are a few notable ones: 1. **BlackBerry Limited (formerly Research In Motion)** - While BlackBerry remains operational, it significantly pivoted away from its traditional hardware business in 2015, focusing more on software and services. 2. **ZTE's mobile unit in the U.S.** - ZTE faced significant challenges and began winding down operations within the U.S.

In 2016, a number of computer and technology companies were disestablished or went through significant changes, including mergers or acquisitions that effectively led to their dissolution. Some of these include: 1. **Micron Technology's Elpida Memory** - Micron acquired Elpida Memory in 2013, but the brand itself ran operations until it was fully integrated and ceased to exist as a standalone company.