Paycom celebrates its eighth year on Oklahoma City’s Metro 50 list coming in at number 13.

The metropolitan area’s fastest-growing, privately owned companies for the year are ranked based on their percentage

of annual growth. Qualified companies are required to have revenues of at least $1 million for 2009.

Paycom has been on the Metro 50 list for all years of eligibility.

Oklahoma City-based Paycom pioneered the Internet payroll market in 1998 as the first 100% online payroll provider. Now the largest exclusively online provider of full-service payroll in the U.S., Paycom serves customers in all 50 states from offices in Atlanta, Austin, Charlotte, Chicago, Dallas, Denver, Fort Worth, Houston, Los Angeles, Irvine, Phoenix, St. Louis, Tampa and Tulsa.