Object: Hiring A Company Specializing In The Supply Of Materials And Labor Aimed At: Construction Of Boundary Walls In Schools In The Municipality Of Assis Chateaubriand Pr, Namely, Escola Nice, In Patrimony Nice, Escola Ney Braga And Cmei Edson Albuquerque, In The District Of Bragantina, Escola Janice And Escola Mercedes Carrilho In The Urban Perimeter Of Assis Chateaubriand, Work Undertaken Using Own Resources.