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Large
Small and Medium
1st Place
AbbVie
  • North Chicago, IL, US
  • Biotechnology & Pharmaceuticals
  • Employees: 26,560
AbbVie
1st Place
Marsh McLennan Agency, Midwest Region
  • Schaumburg, IL, US
  • Financial Services & Insurance
  • Employees: 814
Marsh McLennan Agency, Midwest Region
2nd Place
RSM US LLP
  • Chicago, IL, US
  • Professional Services
  • Employees: 13,261
RSM US LLP
2nd Place
Champion Packaging & Distribution Inc.
  • Woodridge, IL, US
  • Manufacturing & Production
  • Employees: 370
Champion Packaging & Distribution Inc.
3rd Place
Hyatt Hotels Corporation
  • Chicago, IL, US
  • Hospitality
  • Employees: 37,770
Hyatt Hotels Corporation
3rd Place
Basis Technologies
  • Chicago, IL, US
  • Advertising & Marketing
  • Employees: 698
Basis Technologies
4th Place
BDO USA
  • Chicago, IL, US
  • Professional Services
BDO USA
4th Place
Iron Galaxy Studios
  • Chicago, IL, US
  • Entertainment
  • Employees: 280
Iron Galaxy Studios
5th Place
Encore
  • Schiller Park , IL, US
  • Hospitality
Encore
5th Place
Flexera Software LLC
  • Itasca, IL, US
  • Information Technology
Flexera Software LLC
6th Place
McDermott Will and Emery
  • Chicago, IL, US
  • Professional Services
  • Employees: 1,819
McDermott Will and Emery
6th Place
Sasser Family Companies
  • Schaumburg, IL, US
  • Financial Services & Insurance
  • Employees: 305
Sasser Family Companies
7th Place
Grainger
  • Lake Forest, IL, US
  • Industrial Services
Grainger
7th Place
Brindley Engineering Corporation
  • Lisle, IL, US
  • Engineering
  • Employees: 140
Brindley Engineering Corporation
8th Place
Sikich
  • Chicago, IL, US
  • Professional Services
  • Employees: 1,640
Sikich
8th Place
OSM Worldwide
  • Glendale Heights, IL, US
  • Transportation
  • Employees: 392
OSM Worldwide
9th Place
Baker Tilly
  • Chicago, IL, US
  • Professional Services
  • Employees: 6,543
Baker Tilly
9th Place
Energy CX
  • Chicago, IL, US
  • Other
  • Employees: 68
Energy CX
10th Place
GE HealthCare
  • Chicago , IL, US
  • Manufacturing & Production
GE HealthCare
10th Place
Consumers Credit Union
  • Lake Forest, IL, US
  • Financial Services & Insurance
  • Employees: 499
Consumers Credit Union
11th Place
Ensono Inc.
  • Downers Grove, IL, US
  • Information Technology
Ensono Inc.
11th Place
Liventus
  • Northbrook, IL, US
  • Information Technology
  • Employees: 155
Liventus
12th Place
AHEAD
  • Chicago, IL, US
  • Information Technology
  • Employees: 2,241
AHEAD
12th Place
Bluedog Design
  • Chicago, IL, US
  • Advertising & Marketing
  • Employees: 37
Bluedog Design
13th Place
Q-Centrix
  • Chicago, IL, US
  • Health Care
Q-Centrix
13th Place
Energy Diagnostics, Inc.
  • Valparaiso, IN, US
  • Professional Services
  • Employees: 80
Energy Diagnostics, Inc.
14th Place
Applied Systems
  • Chicago, IL, US
  • Information Technology
  • Employees: 2,907
Applied Systems
14th Place
Hanson Faso Sales & Marketing, Inc.
  • Lisle, IL, US
  • Other
  • Employees: 101
Hanson Faso Sales & Marketing, Inc.
15th Place
Sprout Social
  • Chicago, IL, US
  • Information Technology
  • Employees: 1,090
Sprout Social
15th Place
The Radio Flyer Company
  • Chicago, IL, US
  • Other
The Radio Flyer Company
16th Place
Goldstone Financial Group
  • Oakbrook Terrace, IL, US
  • Financial Services & Insurance
  • Employees: 44
Goldstone Financial Group
17th Place
Presence Marketing
  • South Barrington, IL, US
  • Retail
  • Employees: 436
Presence Marketing
18th Place
I-CAR
  • Hoffman Estates, IL, US
  • Education & Training
  • Employees: 293
I-CAR
19th Place
Inspire11
  • Chicago, IL, US
  • Professional Services
  • Employees: 264
Inspire11
20th Place
HDMZ
  • CHICAGO, IL, US
  • Advertising & Marketing
  • Employees: 40
HDMZ
21st Place
Revantage
  • Chicago, IL, US
  • Real Estate
  • Employees: 464
Revantage
22nd Place
Logik.io
  • Deerfield, IL, US
  • Information Technology
  • Employees: 100
Logik.io
23rd Place
Zifo RnD Solutions
  • Cary, NC, US
  • Biotechnology & Pharmaceuticals
  • Employees: 263
Zifo RnD Solutions
24th Place
Campbell Street Senior Living
  • Chicago, IL, US
  • Health Care
Campbell Street Senior Living
25th Place
Ignite Medical Resorts
  • Park Ridge, IL, US
  • Health Care
  • Employees: 971
Ignite Medical Resorts
26th Place
Arya Consulting Partners Inc
  • Northbrook, IL, US
  • Biotechnology & Pharmaceuticals
  • Employees: 15
Arya Consulting Partners Inc
27th Place
Softchoice, a World Wide Technology company
  • Chicago, IL, US
  • Information Technology
  • Employees: 489
Softchoice, a World Wide Technology company
28th Place
Advanced Rehabilitation Care
  • Elk Grove Village, IL, US
  • Health Care
  • Employees: 47
Advanced Rehabilitation Care
29th Place
Lundbeck
  • Deerfield, IL, US
  • Biotechnology & Pharmaceuticals
Lundbeck
30th Place
ASCM
  • Chicago, IL, US
  • Education & Training
  • Employees: 97
ASCM
31st Place
QSRSoft
  • Lombard, IL, US
  • Information Technology
  • Employees: 108
QSRSoft
32nd Place
Destify
  • Chicago, IL, US
  • Professional Services
  • Employees: 86
Destify
33rd Place
Novaspect, Inc.
  • Schaumburg, IL, US
  • Professional Services
  • Employees: 476
Novaspect, Inc.
34th Place
Mugen Psychiatry
  • Chicago, IL, US
  • Health Care
  • Employees: 11
Mugen Psychiatry
35th Place
Zoro
  • Chicago, IL, US
  • Retail
  • Employees: 642
Zoro