https://www2.illinois.gov/agencies/GOV
Governor, Office of the
The Illinois Constitution, Article V, Section 8, states that "The Governor shall have the supreme executive power, and shall be responsible for the faithful execution of the laws." The purpose of the Office is to ensure proper execution of the laws in Illinois.
https://www2.illinois.gov/agencies/SOS
Secretary of State, Office of the
The office’s functions are described in the Illinois Constitution, mainly addressing the Secretary of State's duty to maintain official state records and the state seal. However, law and tradition have assigned many additional responsibilities to the office, which has one of the largest and most diverse collections of responsibilities of any of its counterparts nationwide.
https://www2.illinois.gov/agencies/IDOR
Revenue, Department of
The primary responsibility of the Department of Revenue is to serve as the tax collection agency for state government and for local governments. The department regulates the manufacture, distribution, and sale of alcoholic beverages. The department also oversees local property tax assessments, and functions as the funding agent for the Illinois Housing Development Authority.
https://www2.illinois.gov/agencies/CMS
Central Management Services, Department of
The Illinois Department of Central Management Services (CMS) provides a broad range of programs and services to state agencies and the public. Our commitment is to ensure accountable, efficient government and enable effective public service at the lowest possible cost.
https://www2.illinois.gov/agencies/IOC
Comptroller, Office of the
The Comptroller is charged, by the terms of Section 17 of Article V of the Constitution of Illinois, with the duties of: (a) maintaining the central fiscal accounts of the state, and (b) ordering payments into and out of the funds held by the Treasurer of Illinois. In accordance with this duty, the Comptroller signs paychecks or grants approval to electronic payments made by the state to its employees and creditors.[6] The Comptroller is also charged, by Illinois statute, with certain additional duties. In particular, the Comptroller regulates cemeteries under the Cemetery Care Act, and is charged with the fiduciary protection of cemetery care funds used for the care and maintenance of Illinois gravesites.
https://www2.illinois.gov/agencies/ISP
State Police, Illinois
The Illinois State Police is a multifaceted police agency which specializes in enforcing the laws, protecting the public and providing an array of specialty services to local, state and federal agencies. The most significant responsibility of the State Police is the safety of citizens through law enforcement, patrol, investigations, forensic services, safety education, intelligence and technical assistance.