Information Technology & Services contacts in Illinois
6,994 people at Information Technology & Services companies in Illinois, every one with a LinkedIn profile: 3,315 with a work email (3,219 checked in 2026) and 1,379 with a phone (1,162 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
- Executive & General Management: 987
- IT & Infrastructure: 953
- Software Engineering: 935
- Sales: 864
- People & HR: 507
- Operations & Logistics: 427
- Data & AI: 250
- Customer Success & Support: 242
- Marketing & Communications: 182
- Engineering (Non-Software): 178
By level
- Staff: 3,529
- Senior: 1,176
- Manager: 1,172
- Director / Head: 395
- C-suite: 324
- Owner / Founder: 178
- VP: 176
- Intern / Student: 44
By company size
- 100-249: 2,773
- 20-99: 2,042
- 250-499: 1,425
- 1-4: 370
- 5-19: 342
- 500-999: 42
Information Technology & Services companies in Illinois with the most decision makers
- Navigant: 80 decision makers
- Protera Technologies, Inc.: 31 decision makers
- SDI Presence LLC: 28 decision makers
- MAK-SYSTEM International Group: 20 decision makers
- Creospan: 19 decision makers
- Xerox Business Solutions: 18 decision makers
- CDS Office Technologies: 17 decision makers
- Hoodie Analytics: 13 decision makers
- rSTAR Technologies: 13 decision makers
- Logan Consulting: 12 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: 306,027
- Texas: 74,412
- India: 35,858
- California: 23,099
- Florida: 20,400
- Virginia: 16,278
- Germany: 15,814
- New Jersey: 12,967
- France: 12,605
- New York: 12,447
- Brazil: 11,130
- Michigan: 9,567
- Italy: 8,531
- Maryland: 8,401
- Georgia: 7,849
- Canada: 7,760
- Massachusetts: 7,440
- Australia: 7,325
- Pennsylvania: 6,358
- Netherlands: 6,236
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