Information Services contacts in Illinois
18,808 people at Information Services companies in Illinois, every one with a LinkedIn profile: 10,877 with a work email (10,831 checked in 2026) and 1,139 with a phone (1,046 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
- Data & AI: 4,042
- Sales: 1,502
- Executive & General Management: 1,353
- Software Engineering: 1,109
- Operations & Logistics: 967
- Customer Success & Support: 917
- Science & Research: 782
- Finance & Accounting: 670
- Retail & Hospitality: 616
- Marketing & Communications: 514
By level
- Staff: 9,336
- Senior: 4,122
- Manager: 3,100
- Director / Head: 1,555
- VP: 396
- C-suite: 171
- Intern / Student: 72
- Owner / Founder: 56
By company size
- 10,000+: 17,571
- 100-249: 755
- 20-99: 318
- 5-19: 68
- 1-4: 62
- 1,000-4,999: 26
- 250-499: 8
Information Services companies in Illinois with the most decision makers
- NielsenIQ: 1,840 decision makers
- Datassential: 76 decision makers
- EnsembleIQ: 38 decision makers
- Neocol Group: 32 decision makers
- Experian Automotive: 31 decision makers
- Farm Progress: 10 decision makers
- Millennium Information Services Inc: 7 decision makers
- Caxy Consulting Llc: 6 decision makers
- Senior Services Associates: 5 decision makers
- LAC Group: 5 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: 131,734
- New York: 14,148
- California: 6,646
- Connecticut: 5,956
- Massachusetts: 5,344
- New Jersey: 5,074
- Texas: 5,029
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