Top 15 Foreign Owned Companies
| Foreign Businesses with Significant OC Presence* |
| Oakley Inc |
| Blizzard Entertainment |
| Union Bank |
| Toshiba Corp. |
| B. Braun Medical |
| Zodiac |
| Hyundai Motor America |
| Experian |
| Panasonic |
| Allianz |
| Alcon Research Ltd. |
| Teva Pharmaceuticals |
| Yamaha |
| Thales Avionics |
| Tower Semiconductor |
*Based on number of OC employees
Source: The Orange County Business Journal 2012 Book of Lists