There are more than 71,000 private companies in Orange County. 63.4% of them have one to four workers. 10.2% employ 10 to 19 people. More than 70 have 500 or more employees. All OC private companies collectively employ more than 770,000 people. Anaheim has more private companies than any OC city, with 7,242. Santa Ana is No. 2, with 6,463. Irvine takes the No. 3 spot, with 6,244.

