The club was founded on February 8, 1976. Picos won the
Campeonato Piauiense in 1991, 1994, 1997, and in 1998. They competed in the
Série B in
1992, and competed in the
Série C in
1995, when they were eliminated in the Second Stage, in
1997, when they were eliminated in the First Stage, in
1998, when they were eliminated in the Second Stage by
Esporte Clube Limoeiro, and in
2008, when they were eliminated in the Second Stage. ==Honours==