30 ILCS 500/1-15.25

"Construction agency" means the Capital Development Board for construction or remodeling of State-owned facilities; the Illinois Department of Transportation for construction or maintenance of roads, highways, bridges, and airports; the Illinois Toll Highway Authority for construction or maintenance of toll highways; the Illinois Power Agency for construction, maintenance, and expansion of Agency-owned facilities, as defined in Section 1-10 of the Illinois Power Agency Act; and any other State agency entering into construction contracts as authorized by law or by delegation from the chief procurement officer.