Professional Services decision makers in Illinois

2,653 professional Services decision makers in Illinois, every one with a LinkedIn profile: 1,572 with a work email (1,542 checked in 2026) and 1,141 with a phone (929 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: 1,057
• Finance & Accounting: 433
• Operations & Logistics: 132
• Sales: 92
• People & HR: 86
• Marketing & Communications: 70
• IT & Infrastructure: 52
• Administrative: 42
• Legal & Compliance: 33
• Data & AI: 30

By level

• Director / Head: 1,880
• C-suite: 525
• VP: 203
• Owner / Founder: 45

By company size

• 10,000+: 1,527
• 5,000-9,999: 785
• 1,000-4,999: 172
• 100-249: 67
• 20-99: 41
• 5-19: 22
• 1-4: 22
• 250-499: 13
• 500-999: 4

Professional Services companies in Illinois with the most decision makers

• Grant Thornton (US): 1,133 decision makers
• Crowe: 785 decision makers
• UL Solutions: 394 decision makers
• Sargent & Lundy LLC: 113 decision makers
• Alfred Benesch & Company: 59 decision makers
• J.A. Watts, Inc.: 21 decision makers
• Orbit Media Studios Inc: 13 decision makers
• RINA North America (formerly Patrick): 13 decision makers
• Big Tent Coalition: 10 decision makers
• Leonard Auction: 8 decision makers

Professional Services by seniority

• Professional Services managers: 5,784

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: 19,895
• New York: 4,075
• Canada: 2,629
• Germany: 2,366
• Australia: 1,491

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