Technology, Information and Internet contacts in Illinois
23,038 people at Technology, Information and Internet companies in Illinois, every one with a LinkedIn profile: 11,677 with a work email (11,123 checked in 2026) and 4,172 with a phone (3,632 mobile). Updated 2026-10-04. Filter further, then get the list as CSV, in your CRM or by API.
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By department
- Software Engineering: 3,307
- Sales: 2,534
- Executive & General Management: 1,997
- Operations & Logistics: 1,701
- Data & AI: 1,507
- Marketing & Communications: 1,196
- Customer Success & Support: 1,043
- Education & Training: 965
- Product & Design: 928
- Finance & Accounting: 886
By level
- Staff: 11,059
- Senior: 4,548
- Manager: 4,002
- Director / Head: 1,948
- VP: 616
- C-suite: 423
- Owner / Founder: 414
- Intern / Student: 28
By company size
- 10,000+: 9,416
- 1,000-4,999: 3,891
- 100-249: 2,476
- 5,000-9,999: 2,119
- 500-999: 2,039
- 20-99: 1,735
- 250-499: 499
- 5-19: 473
- 1-4: 390
Technology, Information and Internet companies in Illinois with the most decision makers
- TransUnion LLC: 1,256 decision makers
- GrubHub: 191 decision makers
- InfoScout: 186 decision makers
- G2: 107 decision makers
- Affinity Global Inc.: 70 decision makers
- Attain: 62 decision makers
- Americaneagle.com: 58 decision makers
- Vivid Seats LLC: 36 decision makers
- Pavlov Media Inc: 30 decision makers
- Cloud5: 28 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: 649,163
- California: 159,972
- Texas: 66,246
- New York: 63,711
- India: 60,496
- Germany: 20,900
- Massachusetts: 16,657
- France: 16,611
- Arizona: 15,121
- Colorado: 14,927
- Florida: 14,797
- Virginia: 14,545
- New Jersey: 14,080
- Brazil: 13,758
- Canada: 12,399
- Louisiana: 11,577
- Netherlands: 9,584
- Israel: 9,433
- Australia: 9,075
- Italy: 8,309
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