The top 15 U.S. agencies utilizing 287(g) accounted for 87 percent of total deportations through the program, from 2006 through part of 2011.

By number of deportations:
Los Angeles County (Calif.) Sheriff’s Office: 14,658
Harris County (Texas) Sheriff’s Office: 10,743
Orange County (Calif.) Sheriff’s Office: 9,705
San Bernardino County (Calif.) Sheriff’s Office: 9,281
Mecklenburg County (N.C.) Sheriff’s Office: 6,618
Davidson County (Tenn.) Sheriff’s Office: 5,623
Cobb County (Ga.) Sheriff’s Office: 5,368
Arizona Department of Corrections: 5,283
Riverside County (Calif.) Sheriff’s Office: 3,614
Tulsa County (Okla.) Sheriff’s Office: 2,983
Wake County (N.C.) Sheriff’s Office: 2,861
Las Vegas (Nev.) Metropolitan Police Department: 2,585
Collier County (Fla.) Sheriff’s Office: 2,191
Hall County (Ga.) Sheriff’s Office: 1,992
Colorado Department of Public Safety: 1,703
http://www.alipac.us/f12/collier-among-most-active-u-s-287-g-deportation-program;-will-renewed-265014/