The data displays the biggest staffing firms in the U.S. in 2017, ranked by revenue. In 2017, Allegis Group ranked first in the United States with a revenue amounting to approx. 9.53 billion USD.
Allegis Group | 9.53 |
Randstad Holding | 4.68 |
Adecco | 4.55 |
Kelly Services | 3.62 |
Robert Half International | 3.45 |