Webcor is a commercial construction contractor with headquarters in San Francisco, California. The firm also has regional offices in Alameda, Los Angeles, San Diego, San Jose, and Hawaii, and is among the largest builders in California with clients including Google, Apple Computers, Samsung, Genentech, Brookfield Properties, University of California, Oracle Corporation, The California Academy of Sciences, eBay and Electronic Arts. It has been part of Obayashi since 2007.