Agencies
Services
Service Guide, Chicago Agencies
Mail and Messenger Services delivers interoffice and intercity mail each workday to the following State of Illinois offices located in the Chicago metropolitan area. To find an address, scroll down or click on a heading below. Agency mail coordinators may request changes to listings by calling (217) 782-2536 - Ext. 200 or 204.
Executive Branch
- ATTORNEY GENERAL, OFFICE OF THE
115 S LASALLE ST 23RD FL
CHICAGO IL 60603-3801 - ATTORNEY GENERAL, OFFICE OF THE
ENVIRONMENTAL BUREAU
69 W WASHINGTON ST 18TH FL
CHICAGO IL 60602-3018 - COMPTROLLER, OFFICE OF THE
555 W MONROE ST 14TH FL
CHICAGO IL 60661-3605 - GOVERNOR, OFFICE OF THE
555 W MONROE ST 16TH FL
CHICAGO IL 60661-3605 - INSPECTOR GENERAL, OFFICE OF THE
FOR THE AGENCIES OF THE ILLINOIS GOVERNOR
115 S LASALLE ST
CHICAGO IL 60603-3138 - LIEUTENANT GOVERNOR, OFFICE OF THE
555 W MONROE ST 15TH FL
CHICAGO IL 606613605 - MANAGEMENT AND BUDGET, OFFICE OF
EXECUTIVE OFFICE OF THE GOVERNOR
555 W MONROE ST 15TH FL
CHICAGO IL 606613605 - SECRETARY OF STATE, OFFICE OF THE
115 S LASALLE ST 2ND FL
CHICAGO IL 60603-3801 - TREASURER, OFFICE OF THE
555 W MONROE ST 14TH FL
CHICAGO IL 60661-3605
Legislative Branch
- HOUSE OF REPRESENTATIVES
SPEAKER'S OFFICE/MAJORITY LEADER'S OFFICE
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE N-600
CHICAGO IL 60601-3103 - SENATE MINORITY LEADER'S OFFICE
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE N-700
CHICAGO IL 60601-3103 - SENATE REPUBLICANS’ OFFICE
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE N-700
CHICAGO IL 60601-3103 - SOUTHLAND LEGISLATIVE STOP
(SEN. ELGIE SIM'S OFFICE)
8233 S PRINCETON AVE
CHICAGO IL 60620-1718 - SOUTHLAND LEGISLATIVE STOP
(REP. NICK SMITH'S OFFICE)
113 E 95TH ST. STE A
CHICAGO IL 60619-7294
Judicial Branch
- APPELLATE COURT ILLINOIS
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE C-1400
CHICAGO IL 60601-3150 - APPELLATE DEFENDER, OFFICE OF THE STATE
FIRST DISTRICT OFFICE
203 N LASALLE ST 24TH FL
CHICAGO IL 60601-1210 - COURTS OF ILLINOIS
ADMINISTRATIVE OFFICE OF ILLINOIS COURTS
222 N LASALLE ST 13TH FL
CHICAGO IL 60601-1104 - JUDICIAL INQUIRY BOARD
555 W MONROE ST 8TH FL
CHICAGO IL 606613605 - SUPREME COURT, ILLINOIS
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE C-2000
CHICAGO IL 60601-3017
Agencies
- AGING, ILLINOIS DEPARTMENT ON
555 W MONROE ST 13TH FL
CHICAGO IL 60661-3605 - AGRICULTURE, ILLINOIS DEPARTMENT OF
9511 HARRISON ST RM A169
DES PLAINES IL 60016-1523 - ARTS COUNCIL, ILLINOIS
115 S LASALLE ST 22ND FL
CHICAGO IL 60603-3801 - AUDITOR GENERAL, OFFICE OF THE
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE S-900
CHICAGO IL 60601-3104 - CAPITAL DEVELOPMENT BOARD
555 W MONROE ST 8TH FL
CHICAGO IL 60661-3605 - CENTRAL MANAGEMENT SERVICES, DEPARTMENT OF
DIRECTOR, OFFICE OF THE
555 W MONROE ST 13TH FL
CHICAGO IL 60661-3605 - CENTRAL MANAGEMENT SERVICES, DEPARTMENT OF
ILLINOIS INFORMATION SERVICES
555 W MONROE ST 13TH FL
CHICAGO IL 60661-3605 - CENTRAL MANAGEMENT SERVICES, DEPARTMENT OF
MAIL AND MESSENGER SERVICES
555 W MONROE ST 1ST FL
CHICAGO IL 60661-3605 - CENTRAL MANAGEMENT SERVICES, DEPARTMENT OF
OFFICE OF THE BUILDING
555 W MONROE ST 17TH FL
CHICAGO IL 60661-3605 - CENTRAL MANAGEMENT SERVICES, DEPARTMENT OF
PERSONNEL, BUREAU OF
555 W MONROE ST 4TH FL
CHICAGO IL 60661-3605 - CENTRAL MANAGEMENT SERVICES, DEPARTMENT OF
PROPERTY MANAGEMENT
2020 W ROOSEVELT
CHICAGO IL 60608-1148 - CENTRAL MANAGEMENT SERVICES, DEPARTMENT OF
STATE AND FEDERAL SURPLUS PROPERTY
9511 W HARRISON ST
DES PLAINES IL 60016-1561 - CENTRAL MANAGEMENT SERVICES, DEPARTMENT OF
STATE GARAGE
9511 W HARRISON ST
DES PLAINES IL 60016-1561 - CENTRAL MANAGEMENT SERVICES, DEPARTMENT OF
9511 W HARRISON ST
DES PLAINES IL 60016-1561 - CHICAGO METROPOLITAN AGENCY FOR PLANNING (CMAP)
WILLIS TOWER
233 S WACKER DRIVE STE 800
CHICAGO IL 60606-6415 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
COOK CENTER ADMINISTRATIVE CASE REVIEW, OFFICE OF
2020 W ROOSEVELT RD STE 110
CHICAGO IL 60608-1196 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
EMPLOYEE SERVICES
2020 W ROOSEVELT RD
CHICAGO IL 60608-1196 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
FIELD OPERATIONS
2020 W ROOSEVELT RD
CHICAGO IL 60608-1196 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
HOUSING AND CASH ASSISTANCE, OFFICE OF
555 W MONROE ST 4TH FL
CHICAGO IL 606613605 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
LEGAL SERVICES, OFFICE OF
69 W WASHINGTON SR 9TH FL
CHICAGO IL 60602-3134 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
LEGAL SERVICES, OFFICE OF
2245 W OGDEN AVE
CHICAGO IL 60612-4202 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
OFFICE OF THE GUARDIAN
2245 W OGDEN AVE
CHICAGO IL 60612-4202 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
SERVICE INTERVENTION, DIVISION OF
69 W WASHINGTON ST 18TH FL
CHICAGO IL 60602-3134 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
1026 S DAMEN AVE
CHICAGO IL 60612-4380 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
1240 S DAMEN AVE 1ST FL
CHICAGO IL 60608-1825 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
1921 S INDIANA ST
CHICAGO IL 60616-1312 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
6201 S EMERALD AVE
CHICAGO IL 60621-2057 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
800 ROOSEVELT RD BLDG D STE 10
GLEN ELLYN IL 60137-5860 - CHILDREN AND FAMILY SERVICES, DEPARTMENT OF
1701 FIRST AVE
MAYWOOD IL 60153-2442 - CIVIL SERVICE COMMISSION
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE S-901
CHICAGO IL 60601-3133 - COMMERCE AND ECONOMIC OPPORTUNITY, DEPARTMENT OF
555 W MONROE ST 12TH FL
CHICAGO IL 606613605 - COMMERCE COMMISSION, ILLINOIS
9511 W HARRISON ST
DES PLAINES IL 60016-1523 - COMMERCE COMMISSION, ILLINOIS
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE C-800 AND 900
CHICAGO IL 60601-3104 - COMMUNITY COLLEGE BOARD, ILLINOIS
555 W MONROE ST 6TH FL
CHICAGO IL 606613605 - CORRECTIONS, DEPARTMENT OF
555 W MONROE ST 6TH FL
CHICAGO IL 606613605 - CRIMINAL JUSTICE INFORMATION AUTHORITY
60 E VAN BUREN STE 1300
CHICAGO IL 60605-1241 - DEVELOPMENTAL DISABILITIES, IL PLANNING COUNCIL ON
160 N LASALLE ST 10TH FL
CHICAGO IL 60601-3133 - EARLY CHILDHOOD DEVELOPMENT, GOVERNOR'S OFFICE OF
555 W MONROE ST 15TH FL
CHICAGO IL 60661-3605 - EDUCATIONAL LABOR RELATIONS BOARD, ILLINOIS
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE N-400
CHICAGO IL 60601-3103 - ELECTIONS, STATE BOARD OF
69 W WASHINGTON ST STE LL08
CHICAGO IL 60602-3134 - EMERGENCY MANAGEMENT AGENCY
DIVISION OF NUCLEAR SAFETY
BOWLING GREEN CENTER BLDG 8
245 W ROOSEVELT RD UNIT 55
WEST CHICAGO IL 60185-4814 - EMPLOYMENT SECURITY, DEPARTMENT OF
33 S STATE ST 11TH FL
CHICAGO IL 60603-2803 - ENVIRONMENTAL PROTECTION AGENCY
115 S LASALLE ST 22ND FL
CHICAGO IL 60603-3801 - ENVIRONMENTAL PROTECTION AGENCY
9511 W HARRISON ST
DES PLAINES IL 60016-1523 - ENVIRONMENTAL REGULATORY REVIEW COMMISSION, ILLINOIS
9511 W HARRISON ST
DES PLAINES IL 60016-1523 - EQUITY & INCLUSION, ILLINOIS COMMISSION ON
115 S LASALLE ST 4TH FL
CHICAGO IL 60603-3801 - EQUITY & INCLUSION, ILLINOIS COMMISSION ON
BUSINESSS INTERPRISE PROGRAM
115 S LASALLE ST 4TH FL
CHICAGO IL 60603-3801 - FINANCIAL AND PROFESSIONAL REGULATION, DEPARTMENT OF
DIVISION OF BANKS AND REAL ESTATE
555 W MONROE ST 5TH FL
CHICAGO IL 60661-3605 - FINANCIAL AND PROFESSIONAL REGULATION, DEPARTMENT OF
DIVISION OF PROFESSIONAL REGULATION
555 W MONROE ST 5TH FL
CHICAGO IL 60661-3605 - FINANCIAL AND PROFESSIONAL REGULATION, DEPARTMENT OF
9511 W HARRISON ST
DES PLAINES IL 60016-1523 - FINANCIAL AND PROFESSIONAL REGULATION, DEPARTMENT OF
INVESTIGATIONS
555 W MONROE ST 5TH FL
CHICAGO IL 60661-3605 - GUARDIANSHIP AND ADVOCACY COMMISSION
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE S-500
CHICAGO IL 60601-3103 - GUARDIANSHIP AND ADVOCACY COMMISSION
PAVILION 9
1200 S FIRST AVE
HINES IL 60141-0800 - GUARDIANSHIP AND ADVOCACY COMMISSION
9511 W HARRISON ST
DES PLAINES IL 60016-1523 - HOUSING DEVELOPMENT AUTHORITY, ILLINOIS
111 E WACKER DR STE 1100
CHICAGO IL 60601-4306 - HEALCARE AND FAMILY SERVICES, DEPARTMENT OF
INSPECTOR GENERAL, OFFICE OF THE
2240 W OGDEN AVE
CHICAGO IL 60612-4202 - HUMAN RIGHTS COMMISSION
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST 10TH FL
CHICAGO IL 60601-3103 - HUMAN RIGHTS, DEPARTMENT OF
555 W MONROE ST 7TH FL
CHICAGO IL 60661-3605 - HUMAN SERVICES, DEPARTMENT OF
ALCOHOLISM AND SUBSTANCE ABUSE
555 W MONROE ST 3RD FL
CHICAGO IL 606613605 - HUMAN SERVICES, DEPARTMENT OF
BUSINESS ENTERPRISE FOR THE BLIND
1151 S WOOD ST 1ST FL
CHICAGO IL 60612-4388 - HUMAN SERVICES, DEPARTMENT OF
COMMUNITY HEALTH AND PREVENTION
401 S CLINTON ST 4TH FL
CHICAGO IL 60607-3800 - HUMAN SERVICES, DEPARTMENT OF
CHILD SUPPORT
36 S WABASH ST 8TH FL
CHICAGO IL 60603-2901 - HUMAN SERVICES, DEPARTMENT OF
401 S CLINTON ST
CHICAGO IL 60607-3803 - HUMAN SERVICES, DEPARTMENT OF
HOME SERVICES
1151 S WOOD ST
CHICAGO IL 60612-4388 - HUMAN SERVICES, DEPARTMENT OF
INSPECTOR GENERAL, OFFICE OF THE
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE S-200
CHICAGO IL 60601-3103 - HUMAN SERVICES, DEPARTMENT OF
MENTAL HEALTH AND DEVELOPMENTAL DISABILITIES
GENERAL COUNCIL
401 S CLINTON ST
CHICAGO IL 60607-3800 - HUMAN SERVICES, DEPARTMENT OF
MENTAL HEALTH AND DEVELOPMENTAL DISABILITIES
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE S-1000
CHICAGO IL 60601-3105 - HUMAN SERVICES, DEPARTMENT OF
REHABILITATION SERVICES
555 W MONROE ST 4TH FL
CHICAGO IL 60661-3605 - HUMAN SERVICES, DEPARTMENT OF
REHABILITATION SERVICES
1151 S WOOD ST 1ST FL
CHICAGO IL 60612-4388 - HUMAN SERVICES, DEPARTMENT OF
REHABILITATION SERVICES
1950 W ROOSEVELT RD
CHICAGO IL 60608-1297 - HUMAN SERVICES, DEPARTMENT OF
REHABILITATION SERVICES
8600 S PULASKI RD
CHICAGO IL 60652-3633 - ILLINOIS FINANCE AUTHORITY
160 N LASALLE ST STE S-1000
CHICAGO IL 60601-3103 - ILLINOIS INDEPENDENT TAX TRIBUNAL
160 N LASALLE ST STE N-506
CHICAGO IL 60601-3115 - ILLINOIS POWER AGENCY
105 W MADISON ST
CHICAGO IL 60602-4602 - INNOVATION AND TECHNOLOGY, DEPARTMENT OF
555 W MONROE ST 2ND FL
CHICAGO IL 60661-3605 - INSURANCE, DEPARTMENT OF
122 S MICHIGAN AVE 19TH FL
CHICAGO IL 60603-6137 - INVESTMENTS, ILLINOIS STATE BOARD OF
180 N LASALLE ST STE 2015
CHICAGO IL 60601-2693 - JUVENAL JUSTICE, DEPARTMENT OF
60 E VAN BUREN STE 1300
CHICAGO IL 60605-1241 - LABOR, DEPARTMENT OF
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE C-1300
CHICAGO IL 60601-3150 - LABOR RELATIONS BOARD
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST S-400
CHICAGO IL 60601-3114 - LIQUOR CONTROL COMMISSION, ILLINOIS
DALEY CENTER
50 W WASHINTON ST STE 205
CHICAGO IL 60602-1306 - MEDICAL DISTRICT COMMISSION
2100 W HARRISON ST
CHICAGO IL 60612-3706 - NATURAL RESOURCES, DEPARTMENT OF
TRI-COUNTY STATE PARK
2050 W STEARNS RD
BARTLETT IL 60103-1612 - NATURAL RESOURCES, DEPARTMENT OF
WATER RESOURCES, OFFICE OF
STATE GEOLOGICAL SURVEY
160 N LASALLE ST STE S-700
CHICAGO IL 60601-3117 - NATURAL RESOURCES, DEPARTMENT OF
9511 W HARRISON ST
DES PLAINES IL 60016-1523 - POLLUTION CONTROL BOARD
60 E VAN BUREN STE 630
CHICAGO IL 60605-1241 - PRESS ROOM
(LEGISLATIVE CORRESPONDENTS ASSN)
555 W MONROE ST 3RD FL
CHICAGO IL 60661-3605 - PROPERTY TAX APPEAL BOARD
9511 W HARRISON ST STE 171
DES PLAINES IL 60016-1545 - PUBLIC HEALTH, DEPARTMENT OF
245 W ROOSEVELT RD
WEST CHICAGO IL 60185-4807 - PUBLIC HEALTH, DEPARTMENT OF
DIRECTOR'S OFFICE
69 W WASHINGTON ST 35TH FL
CHICAGO IL 60602-3134 - PUBLIC HEALTH, DEPARTMENT OF
INFECTIOUS DISEASES
122 S MICHIGAN AVE 7TH FL
CHICAGO IL 60603-6119 - PUBLIC HEALTH, DEPARTMENT OF
LABORATORY, DIVISION OF
2121 W TAYLOR ST
CHICAGO IL 60612-4286 - PUBLIC HEALTH, DEPARTMENT OF
WEST BROOK CORPORATE CENTER 3RD FL
WESTCHESTER IL 60154-5703 - REVENUE, DEPARTMENT OF
555 W MONROE ST 11TH FL
CHICAGO IL 60661-3605 - REVENUE, DEPARTMENT OF
GAMING BOARD, ILLINOIS
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE S-300
CHICAGO IL 60601-3103 - REVENUE, DEPARTMENT OF
RACING BOARD, ILLINOIS
555 W MONROE ST 17TH FL
CHICAGO IL 60661-3605 - REVENUE, DEPARTMENT OF
9511 W HARRISON ST
DES PLAINES IL 60016-1562 - STATE FIRE MARSHAL, OFFICE OF
555 W MONROE ST 13TH FL
CHICAGO IL 606613605 - STATE POLICE, ILLINOIS
555 W MONROE ST 2ND FL
CHICAGO IL 60661-3605 - STATE POLICE, ILLINOIS
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE S-210
CHICAGO IL 60601-3113 - STATE POLICE, ILLINOIS
2700 OGDEN AVE
DOWNERS GROVE IL 60515-1703 - STATE POLICE ILLINOIS
9511 W HARRISON ST
DES PLAINES IL 60016-1523 - STATE RETIREMENT SERVICES
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST STE S-200
CHICAGO IL 60601-3219 - STUDENT ASSISTANCE COMMISSION, ILLINOIS
MICHAEL A BILANDIC BUILDING
160 N LASALLE ST 1ST FL
CHICAGO IL 60601-3219 - TOLL HIGHWAY AUTHORITY, ILLINOIS STATE
2700 OGDEN AVE
DOWNERS GROVE IL 60515-1703 - TRANSPORTATION, ILLINOIS DEPARTMENT OF
69 W WASHINGTON ST 21ST FL
CHICAGO IL 60602-3134 - TRANSPORTATION, ILLINOIS DEPARTMENT OF
DISTRICT 1 HEADQUARTERS
201 W CENTER CT
SCHAUMBURG IL 60196-1096 - VETERANS' AFFAIRS, DEPARTMENT OF
69 W WASHINGTON ST STE 1620
CHICAGO IL 60602-3013 - WORKERS' COMPENSATION COMMISSION
69 W WASHINGTON ST STE 900
CHICAGO IL 60602-3013
