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List of Illinois companies
From Wikipedia, the free encyclopedia
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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.
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Companies based in Illinois
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
Z
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Companies formerly based in Illinois
A
C
D
H
L
M
N
R
S
See also
References
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