Last year, Kelly Services Inc generated 2.82B USD for its biggest-performing segment, Staffing services. The United States made the largest contribution, accounting for 3.81B USD last year. For the latest quarter, Kelly Services Inc reported the revenue of 663.70M USD for the period ending 2026-06-28, which came from the top-performing segment, Staffing services. United States contributed the highest revenue, at 932.70M USD.