Business Consulting and Services contacts in Illinois
56,958 people at Business Consulting and Services companies in Illinois, every one with a LinkedIn profile: 36,526 with a work email (36,052 checked in 2026) and 9,911 with a phone (8,285 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: 13,676
- Data & AI: 7,931
- Operations & Logistics: 3,398
- Finance & Accounting: 2,440
- IT & Infrastructure: 2,267
- Sales: 1,957
- People & HR: 1,820
- Software Engineering: 1,796
- Administrative: 1,657
- Marketing & Communications: 1,359
By level
- Staff: 26,750
- Senior: 10,593
- Manager: 8,401
- Director / Head: 5,766
- C-suite: 2,096
- Intern / Student: 1,527
- VP: 1,148
- Owner / Founder: 677
By company size
- 1,000-4,999: 14,164
- 10,000+: 13,334
- 5,000-9,999: 11,014
- 100-249: 5,998
- 250-499: 3,766
- 20-99: 3,402
- 500-999: 2,583
- 5-19: 1,506
- 1-4: 1,191
Business Consulting and Services companies in Illinois with the most decision makers
- Huron Consulting Group Inc.: 1,316 decision makers
- Kearney: 633 decision makers
- Heidrick & Struggles: 538 decision makers
- ZS: 397 decision makers
- Spencer Stuart: 316 decision makers
- Kaufman Hall: 304 decision makers
- tms: 290 decision makers
- West Monroe: 286 decision makers
- Chartis Group: 260 decision makers
- Sikich: 199 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
- 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
- Transportation, Logistics, Supply Chain and Storage: 27,473
The same list elsewhere
- United States: 923,417
- France: 219,924
- New York: 176,941
- Ireland: 125,896
- Massachusetts: 89,364
- Texas: 80,207
- California: 48,715
- Germany: 43,495
- Canada: 40,657
- Virginia: 40,558
- Italy: 34,866
- India: 30,406
- New Jersey: 23,860
- Australia: 20,998
- Florida: 19,593
- Maryland: 19,441
- Washington: 19,429
- Alberta: 17,981
- Ohio: 17,111
- Brazil: 16,035
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