Major Employers
Overview
Illinois’ Powerhouse Companies
In Illinois, you’ll find a network of global powerhouse companies—ready customers, suppliers and collaborators—across industries. Find yourself in good company among more than 1,700 major corporate headquarters and over 1,900 foreign business.
Resource Links
Data
Largest Employers by Industry
| Company | Location | Employees |
|---|---|---|
| Life Sciences | ||
| Abbott Laboratories | Abbott Park, Illinois | 12,284 |
| Baxter International | Deerfield, Illinois | 4,500 |
| Abbvie Inc. | North Chicago, Illinois | 29,000 (globally) |
| Medline Industries, Inc. | Winnetka, Illinois | 15,000 (globally) |
| Financial Services | ||
| Allstate | Northbrook, Illinois | 5,000 |
| State Farm Insurance Companies | Bloomington, Illinois | 4,000 |
| Arthur J. Gallagher & Co. | Rolling Meadows, Illinois | 24,000 (globally) |
| Northern Trust Corporation | Chicago, Illinois | 8,000 |
| Advanced Manufacturing | ||
| Caterpillar | Peoria, Illinois | 3,000 |
| Deere & Company | Moline, Illinois | 1,785 |
| Boeing | Chicago, Illinois | 400 |
| Illinois Tool Works | Glenview, Illinois | 50,000 (globally) |
| Agribusiness/Food Processing | ||
| Archer Daniels Midland | Decatur, Illinois | 2,600 |
| Mondelez International, Inc. | Deerfield, Illinois | 12,000 |
| Treehouse Foods, Inc. | Oak Brook, Illinois | 4,000 |
| Conagra Brands, Inc. | Chicago, Illinois | 1,500 |
Largest Employers by Industry
| Company | Location | Employees |
|---|---|---|
| Life Sciences | ||
| Abbott Laboratories | Abbott Park, Illinois | 12,284 |
| Baxter International | Deerfield, Illinois | 4,500 |
| Abbvie Inc. | North Chicago, Illinois | 29,000 (globally) |
| Medline Industries, Inc. | Winnetka, Illinois | 15,000 (globally) |
| Financial Services | ||
| Allstate | Northbrook, Illinois | 5,000 |
| State Farm Insurance Companies | Bloomington, Illinois | 4,000 |
| Arthur J. Gallagher & Co. | Rolling Meadows, Illinois | 24,000 (globally) |
| Northern Trust Corporation | Chicago, Illinois | 8,000 |
| Advanced Manufacturing | ||
| Caterpillar | Peoria, Illinois | 3,000 |
| Deere & Company | Moline, Illinois | 1,785 |
| Boeing | Chicago, Illinois | 400 |
| Illinois Tool Works | Glenview, Illinois | 50,000 (globally) |
| Agribusiness/Food Processing | ||
| Archer Daniels Midland | Decatur, Illinois | 2,600 |
| Mondelez International, Inc. | Deerfield, Illinois | 12,000 |
| Treehouse Foods, Inc. | Oak Brook, Illinois | 4,000 |
| Conagra Brands, Inc. | Chicago, Illinois | 1,500 |
Top Canadian Firms in Illinois by Employment
| Top Firms | Employees (Global) |
|---|---|
| Bank of Montreal | 11,488 |
| Compagnie des Chemins de Fer Nationaux du Canada | 6,320 |
| Magna International Inc. | 2,209 |
| Onex Corporation | 1,338 |
| Thomson Company Inc. | 1,204 |
Largest Employers by Industry
| Company | Location | Employees |
|---|---|---|
| Life Sciences | ||
| Abbott Laboratories | Abbott Park, Illinois | 12,284 |
| Baxter International | Deerfield, Illinois | 4,500 |
| Abbvie Inc. | North Chicago, Illinois | 29,000 (globally) |
| Medline Industries, Inc. | Winnetka, Illinois | 15,000 (globally) |
| Financial Services | ||
| Allstate | Northbrook, Illinois | 5,000 |
| State Farm Insurance Companies | Bloomington, Illinois | 4,000 |
| Arthur J. Gallagher & Co. | Rolling Meadows, Illinois | 24,000 (globally) |
| Northern Trust Corporation | Chicago, Illinois | 8,000 |
| Advanced Manufacturing | ||
| Caterpillar | Peoria, Illinois | 3,000 |
| Deere & Company | Moline, Illinois | 1,785 |
| Boeing | Chicago, Illinois | 400 |
| Illinois Tool Works | Glenview, Illinois | 50,000 (globally) |
| Agribusiness/Food Processing | ||
| Archer Daniels Midland | Decatur, Illinois | 2,600 |
| Mondelez International, Inc. | Deerfield, Illinois | 12,000 |
| Treehouse Foods, Inc. | Oak Brook, Illinois | 4,000 |
| Conagra Brands, Inc. | Chicago, Illinois | 1,500 |
Top German Firms in Illinois by Employment
| Top Firms | Employees (Global) |
|---|---|
| Fresenius SE & Co. KGaA | 3,826 |
| Siemens AG | 3,057 |
| Continential AG | 2,690 |
| Fresenius Medical Care AG & Co. KGaA | 2,274 |
| Deutsche Post AG | 2,179 |
Largest Employers by Industry
| Company | Location | Employees |
|---|---|---|
| Life Sciences | ||
| Abbott Laboratories | Abbott Park, Illinois | 12,284 |
| Baxter International | Deerfield, Illinois | 4,500 |
| Abbvie Inc. | North Chicago, Illinois | 29,000 (globally) |
| Medline Industries, Inc. | Winnetka, Illinois | 15,000 (globally) |
| Financial Services | ||
| Allstate | Northbrook, Illinois | 5,000 |
| State Farm Insurance Companies | Bloomington, Illinois | 4,000 |
| Arthur J. Gallagher & Co. | Rolling Meadows, Illinois | 24,000 (globally) |
| Northern Trust Corporation | Chicago, Illinois | 8,000 |
| Advanced Manufacturing | ||
| Caterpillar | Peoria, Illinois | 3,000 |
| Deere & Company | Moline, Illinois | 1,785 |
| Boeing | Chicago, Illinois | 400 |
| Illinois Tool Works | Glenview, Illinois | 50,000 (globally) |
| Agribusiness/Food Processing | ||
| Archer Daniels Midland | Decatur, Illinois | 2,600 |
| Mondelez International, Inc. | Deerfield, Illinois | 12,000 |
| Treehouse Foods, Inc. | Oak Brook, Illinois | 4,000 |
| Conagra Brands, Inc. | Chicago, Illinois | 1,500 |
Top Japanese Firms in Illinois by Employment
| Top Firms | Employees (Global) |
|---|---|
| Takeda Pharmaceutical Company Ltd. | 3,290 |
| Astellas | 3,063 |
| Kotobuku Realty Co., Ltd. | 3,050 |
| INX | 2,532 |
| Koito Manufacturing Co., Ltd. | 2,400 |
| Softbank Group Corp. | 2,139 |
| NTN Corporation | 1,603 |
Largest Employers by Industry
| Company | Location | Employees |
|---|---|---|
| Life Sciences | ||
| Abbott Laboratories | Abbott Park, Illinois | 12,284 |
| Baxter International | Deerfield, Illinois | 4,500 |
| Abbvie Inc. | North Chicago, Illinois | 29,000 (globally) |
| Medline Industries, Inc. | Winnetka, Illinois | 15,000 (globally) |
| Financial Services | ||
| Allstate | Northbrook, Illinois | 5,000 |
| State Farm Insurance Companies | Bloomington, Illinois | 4,000 |
| Arthur J. Gallagher & Co. | Rolling Meadows, Illinois | 24,000 (globally) |
| Northern Trust Corporation | Chicago, Illinois | 8,000 |
| Advanced Manufacturing | ||
| Caterpillar | Peoria, Illinois | 3,000 |
| Deere & Company | Moline, Illinois | 1,785 |
| Boeing | Chicago, Illinois | 400 |
| Illinois Tool Works | Glenview, Illinois | 50,000 (globally) |
| Agribusiness/Food Processing | ||
| Archer Daniels Midland | Decatur, Illinois | 2,600 |
| Mondelez International, Inc. | Deerfield, Illinois | 12,000 |
| Treehouse Foods, Inc. | Oak Brook, Illinois | 4,000 |
| Conagra Brands, Inc. | Chicago, Illinois | 1,500 |
Top UK Firms in Illinois by Employment
| Top Firms | Employees (Global) |
|---|---|
| AON PLC | 15,959 |
| BP PLC | 4,890 |
| Firstgroup PLC | 4,259 |
| ERM Worldwide Group Ltd | 3,500 |
| WPP PLC | 3,319 |
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