Second-quarter revenue at SeatonCorp rose 20 percent on a year-over-year basis, the privately held staffing provider reported. The company cited client wins as well as scope expansions.

Based in Chicago, SeatonCorp’s divisions include Staff Management, a provider of vendor on premise staffing and managed services; PeopleScout, a provider of recruitment process outsourcing; and StudentScout, a provider of admission support for the education industry.

SeatonCorp ranked No. 36 on Staffing Industry Analysts’ 2010 list of largest U.S. staffing firms with 2009 U.S. staffing revenue of $255 million.