The following persons and agencies operating within a county may, by written agreement, form a county interdisciplinary child information team:
(1) The state's attorney;
(2) The county sheriff;
(3) The chief of police of any municipality;
(4) The superintendent or the chief executive officer of any school district;
(5) The Department of Social Services;
(6) The Department of Corrections; and
(7) The administrator of the county teen court.