These Are The 100 Largest Companies In Illinois

We looked at over 7 million resumes to find the companies in Illinois that have the most employees.

Chris Kolmarby Chris KolmarBiggest Companies, Rankings - 3 months ago

If you live in Illinois and you’re looking for a job, you have come to the right place.

Because, sure, you can google things like ‘biggest companies in Illinois’ and get a fairly long list of companies with a lot of employees, or perhaps that have the biggest names — but here, we bring you the companies with the most current employees that are actually headquarted in Illinois.

Below, we’ll give you a complete list of Illinois’s 100 largest companies, but first, here’s a look at the top 10:

  1. Walgreens Boots Alliance
  2. McDonald’s
  3. Sears Holdings
  4. Mondelez International
  5. Caterpillar
  6. United
  7. Ace Hardware
  8. Abbott
  9. Walgreens
  10. State Farm

Walgreens Boots Alliance comes in at the top, with more current employees than any other company in the . We’ll get to specifics in a moment; first, here’s a look at our methodology.

If you’re interested, you can read more about the Illinois job scene here:

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How we identified the biggest companies in Illinois

Here at Zippia we have developed a database of over 250,000 companies that spans the entire country.

For this report, we looked at the companies headquartered in Illinois with at least 100 employees. That left us with 732 companies.

We then ranked each company from most to least current employees to determine the biggest companies in Illinois.

As it turns out, Walgreens Boots Alliance looks to the be the biggest company in Illinois clocking in with 400,000 employees.

Now, check out how the 100 biggest companies in Illinois ranked.

For more reading, check out:

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Detailed List Of The 100 Biggest Companies In Illinois

Rank Company City Employees
1 Walgreens Boots Alliance Deerfield 400,000
2 McDonald’s Oak Brook 375,000
3 Sears Holdings Hoffman Estates 140,000
4 Mondelez International Deerfield 99,000
5 Caterpillar Peoria 95,400
6 United Chicago 86,000
7 Ace Hardware Oak Brook 86,000
8 Abbott North Chicago 75,000
9 Walgreens Deerfield 74,190
10 State Farm Bloomington 70,425
11 HSBC Finance Corporation Arlington Heights 58,000
12 Baxter International Deerfield 48,000
13 Cushman & Wakefield Chicago 45,000
14 Hyatt Hotels Chicago 45,000
15 R.R. Donnelley & Sons Chicago 44,360
16 Allstate Northbrook 43,050
17 JLL Chicago 41,387
18 Motorola Chicago 40,000
19 Molex Lisle 36,000
20 Exelon Chicago 34,000
21 Archer Daniels Midland Chicago 32,300
22 Tenneco Lake Forest 31,000
23 AbbVie Lake Bluff 30,000
24 LKQ Chicago 29,500
25 Conagra Brands Chicago 26,100
26 Dover Downers Grove 26,000
27 US Foods Rosemont 25,000
28 Fortune Brands Home & Security Deerfield 24,248
29 Health Care Service Chicago 22,000
30 Hewitt Associates Inc Lincolnshire 22,000
31 Ulta Beauty Bolingbrook 21,700
32 OSI Group Aurora 20,000
33 Kmart Hoffman Estates 17,419
34 Northern Trust Chicago 17,100
35 OSF HealthCare Peoria 16,168
36 Wrigley Chicago 16,000
37 NORTHERN TRUST NA Chicago 15,461
38 Medline Industries Northfield 15,000
39 Dominion Energy Chicago 14,743
40 Hospital Sisters Health System Springfield 14,626
41 Brunswick Lake Forest 14,415
42 BMO Harris Bank Chicago 14,200
43 Motorola Solutions Chicago 14,000
44 Packaging Corporation of America Lake Forest 14,000
45 Grainger Lake Forest 13,683
46 Navistar Lisle 12,400
47 Littelfuse Chicago 12,000
48 UL Northbrook 12,000
49 Devry Inc Oakbrook Terrace 11,770
50 Adtalem Global Education Downers Grove 11,770
51 Ingredion Westchester 11,000
52 Pactiv Lake Forest 11,000
53 Arthur J. Gallagher & Co. Itasca 10,432
54 Telephone and Data Systems Inc Chicago 10,300
55 Hollywood Video Chicago 10,001
56 Papa John’s Pizza Evanston 10,001
57 Bizolver Chicago 10,000
58 Baker McKenzie Chicago 9,937
59 Discover Riverwoods 9,588
60 Leo Burnett Chicago 9,000
61 Anixter Glenview 8,900
62 CDW Vernon Hills 8,516
63 Tribune Media Chicago 8,200
64 Pampered Chef Addison 8,001
65 Surgical Care Affiliates Deerfield 8,000
66 Zurich Schaumburg 7,864
67 Dentons Chicago 7,700
68 Allscripts Chicago 7,500
69 Amsted Industries Incorporated Chicago 7,500
70 mead johnson Glenview 7,500
71 Dade Behring Deerfield 7,500
72 Ralcorp Holdings Chicago 7,500
73 CDK Global Hoffman Estates 7,392
74 Grant Thornton Chicago 7,280
75 Camping World Lincolnshire 7,221
76 Hill-Rom Chicago 7,200
77 Zebra Technologies Lincolnshire 7,100
78 TreeHouse Foods Oak Brook 7,000
79 Potbelly Chicago 7,000
80 Family Video Springfield 7,000
81 IDEX Lake Forest 6,814
82 U.S. Cellular Chicago 6,700
83 CNA Financial Chicago 6,700
84 Tronc Chicago 6,458
85 KapStone Paper and Packaging Northbrook 6,200
86 PSAV Schiller Park 6,150
87 BDO USA Chicago 6,057
88 John Crane Chicago 6,000
89 Trustmark Companies Lake Forest 6,000
90 University of Chicago Medicine Springfield 5,750
91 Kemper Chicago 5,750
92 NorthShore University HealthSystem Evanston 5,617
93 Levy Chicago 5,565
94 Navigant Chicago 5,500
95 Combined Insurance Chicago 5,400
96 USG Chicago 5,270
97 Addison Group Chicago 5,250
98 Career Education Schaumburg 5,149
99 ACCO Brands Lake Zurich 5,040
100 Millard Chicago Window Cleaning, Llc Lincolnwood 5,000

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