List of Illinois companies
This is a list of Illinois companies which includes notable companies that are headquartered in Illinois, or were previously headquartered in Illinois. In general, this list does not include companies headquartered in one of the municipalities of the Chicago metropolitan area.
Template:Publicly traded companies in Illinois
Companies based in Illinois
A
- Abbott Laboratories
- Abbvie
- Alliant Credit Union
- Allstate
- Alton Steel
- American River Transportation Company
- Archer Daniels Midland
- Astro-Physics
- Axium Foods
B
- Basler Electric
- Beer Nuts
- Believers Broadcasting Corporation
- Bell Sports
- Black Dog Books
- Boeing
- Brewer Investment Group
- Brown County State Bank
- Bunn-O-Matic Corporation
- Busey Bank
C
- Cars.com
- Caterpillar Inc.
- CDW
- Citizens Equity First Credit Union
- City Water, Light & Power
- Consolidated Communications
- Country Financial
- Credit Union 1
D
E
F
- Federal Signal Corporation
- Follett Corporation
- The Frantz Manufacturing Company
- Frasca International
G
H
I
J
K
L
M
- Maui Jim
- Meatheads Burgers & Fries
- Metropolitan Educational Enterprises
- Monical's Pizza
- Morton Salt
- Motorola Mobility
- Mrs. Fisher's
- McDonald's
N
P
Q
R
S
T
- Testor Corporation
- Titan Tire Corporation
- Tower Hobbies
- Trend Is Dead! Records
- Tri-State Christian Television
U
V
W
- Wahl Clipper
- Western Cartridge Company
- Wicks Organ Company
- Wiss, Janney, Elstner Associates, Inc.
- Wrigley Company
Z
Companies formerly based in Illinois
A
D
H
N
R
S
See also
- List of breweries in Illinois
- List of casinos in Illinois
- List of companies in the Chicago metropolitan area
- List of newspapers in Illinois
- List of wineries in Illinois
