An office tower in a prominent business hub close to John Wayne Airport is where the Oracle Tower business center is located. The business center is placed in the heart of Irvine Concourse, in one of the finest commercial districts in Orange County. Irvine is strategically located for easy access to Los Angeles, San Diego and San Bernardino counties' markets. It is valued for its high-ranking universities, making local educated talent a huge draw for businesses large and small. Irvine is also noted for its many tech corporations (it's said to have the second highest number of hi-tech clusters in the US). Among the global corporates making their headquarters here are car manufacturers, electronics and athletic equipment makers. The top 10 employers include big names in sectors such as medical, semiconductor and telecoms. Orange County is close to major international ports and airports.