Research professionals in Illinois
26,918 research professionals in Illinois, every one with a LinkedIn profile: 11,054 with a work email (10,758 checked in 2026) and 2,567 with a phone (2,210 mobile). Updated 2026-10-04. Filter further, then get the list as CSV, in your CRM or by API.
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By industry
- Higher Education: 6,859
- Hospitals and Health Care: 4,125
- Pharmaceutical Manufacturing: 1,849
- Research Services: 1,827
- Food and Beverage Manufacturing: 1,225
- Medical Equipment Manufacturing: 914
- Investment Management: 812
- Biotechnology Research: 789
- Chemical Manufacturing: 721
- Manufacturing: 660
By company size
- 10,000+: 12,468
- 1,000-4,999: 5,655
- 100-249: 2,427
- 5,000-9,999: 2,246
- 20-99: 1,317
- 250-499: 1,288
- 500-999: 1,117
- 5-19: 258
- 1-4: 142
Companies in Illinois with the most decision makers
- Northern Trust: 5,200 decision makers
- Gallagher: 5,143 decision makers
- Takeda: 4,433 decision makers
- Abbott: 3,987 decision makers
- Mars: 2,927 decision makers
- Allstate Financial Services: 2,569 decision makers
- State Farm Inc: 2,431 decision makers
- GE Healthcare: 2,287 decision makers
- RSM US LLP: 2,239 decision makers
- Hub International Ltd: 2,238 decision makers
Roles in Illinois
- Healthcare professionals: 114,326
- Sales professionals: 110,299
- Finance professionals: 89,578
- Education professionals: 84,805
- Operations professionals: 81,056
- Operations managers: 80,317
- Sales managers: 79,541
- Administrative professionals: 63,658
- Engineering professionals: 54,791
- Executive directors: 52,726
- C-suite executives: 52,708
- Manufacturing professionals: 51,744
- Software engineering professionals: 43,517
- IT professionals: 41,536
- Retail professionals: 39,086
- Marketing professionals: 38,088
- Customer success professionals: 36,994
- Retail managers: 34,699
- Legal professionals: 33,980
- Senior software engineering professionals: 32,931
- Finance managers: 31,592
- Executive VPs: 29,129
- HR professionals: 28,048
- Data and AI professionals: 27,149
Industries in Illinois
- Hospitals and Health Care: 243,985
- Insurance: 167,451
- Higher Education: 130,403
- Financial Services: 117,153
- Machinery Manufacturing: 76,698
- IT Services and IT Consulting: 71,072
- Food and Beverage Manufacturing: 58,328
- Business Consulting and Services: 56,958
- Manufacturing: 51,380
- Software Development: 49,154
- Food and Beverage Services: 48,384
- Law Practice: 45,227
- Non-profit Organizations: 44,620
- Construction: 44,605
- Real Estate: 43,476
- Accounting: 40,226
- Retail: 38,159
- Restaurants: 37,884
- Airlines and Aviation: 37,009
- Pharmaceutical Manufacturing: 32,825
- Retail Pharmacies: 31,386
- Government Administration: 30,176
- Advertising Services: 28,204
- Medical Equipment Manufacturing: 27,948
The same list elsewhere
- United States: 631,267
- California: 88,493
- Massachusetts: 44,895
- New York: 42,270
- Texas: 37,053
- Germany: 30,589
- Canada: 28,143
- France: 27,953
- North Carolina: 26,816
- Pennsylvania: 22,955
- Italy: 19,442
- Florida: 19,022
- Maryland: 18,927
- Virginia: 18,673
- New Jersey: 18,538
- Ohio: 17,218
- Washington, DC: 16,398
- Michigan: 15,224
- Georgia: 13,402
- Australia: 12,927
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