There are more than 900 advertising agencies and printers in Orange County. About 48% have one to four employees. 11% have 20 to 49 workers. One has 500 or more employees. Irvine
has more ad agencies and printers than any other OC city: 139. Santa Ana is No. 2, with 106.
Anaheim is No. 3, with 88. All of the OC companies collectively employ roughly 13,000 people.
