30 ILCS 5/1-7

"State agencies" means all officers, boards, commissions and agencies created by the Constitution, whether in the executive, legislative or judicial branch, but other than the circuit court; all officers, departments, boards, commissions, agencies, institutions, authorities, universities, bodies politic and corporate of the State; and administrative units or corporate outgrowths of the State government which are created by or pursuant to statute, other than units of local government and their officers, school districts and boards of election commissioners; all administrative units and corporate outgrowths of the above and as may be created by executive order of the Governor.