IT professionals in Illinois
41,536 IT professionals in Illinois, every one with a LinkedIn profile: 21,648 with a work email (20,981 checked in 2026) and 7,411 with a phone (5,193 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
- IT Services and IT Consulting: 5,572
- Hospitals and Health Care: 4,987
- Insurance: 2,300
- Machinery Manufacturing: 2,296
- Financial Services: 2,138
- Higher Education: 1,694
- Software Development: 1,576
- Business Consulting and Services: 1,199
- Telecommunications: 1,098
- Manufacturing: 846
By company size
- 10,000+: 15,334
- 1,000-4,999: 7,858
- 100-249: 5,288
- 5,000-9,999: 3,561
- 250-499: 3,401
- 500-999: 3,112
- 20-99: 2,283
- 5-19: 453
- 1-4: 246
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
- 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
- Research professionals: 26,918
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: 1,158,673
- California: 120,661
- Texas: 83,257
- New York: 81,777
- Virginia: 62,961
- France: 46,620
- Germany: 46,594
- Canada: 43,432
- Washington: 34,805
- Florida: 34,697
- India: 32,526
- New Jersey: 31,516
- Pennsylvania: 28,829
- Massachusetts: 28,215
- Brazil: 27,246
- Maryland: 25,727
- Ohio: 25,515
- North Carolina: 24,691
- Georgia: 23,471
- Michigan: 22,667
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