This excerpt taken from the WDC 10-K filed Sep 14, 2005.
Item 2. Properties
The Companys corporate headquarters are located in Lake Forest, California. The Lake Forest facilities consist of an aggregate of 256,789 square feet of leased space and house the Companys management, research and development, administrative and sales personnel. In addition, the Company leases facilities in Fremont, California, consisting of approximately 213,067 square feet, that are used for head wafer fabrication, research and development and warehousing. The Company also leases approximately 234,693 square feet in San Jose, California primarily for research and development activities. In addition, the Company leases one facility in Irvine, California, which consists of 59,213 square
feet and is used as a hard disk drive return and refurbishing center. The Company also leases office space in various other locations throughout the world primarily for sales and technical support.
Western Digital owns a 633,077 square foot manufacturing facility in Kuala Lumpur, Malaysia. The Company also owns a manufacturing facility in Pathumthani, Thailand, consisting of approximately 232,500 square feet. In addition, in July 2003 the Company acquired a facility in Bang Pa-In, Thailand, consisting of three buildings with an aggregate of 433,744 square feet, which is used for slider fabrication, the assembly of HGAs and HSAs, and research and development.
The Company believes its present facilities are adequate for its current needs, although the process of upgrading its facilities to meet technological and market requirements is expected to continue. New manufacturing facilities generally can be developed and become operational within approximately nine to eighteen months should the Company require such additional facilities.