Professional Services contacts in Illinois
24,708 people at Professional Services companies in Illinois, every one with a LinkedIn profile: 12,134 with a work email (11,997 checked in 2026) and 4,799 with a phone (4,098 mobile). Updated 2026-10-04. Filter further, then get the list as CSV, in your CRM or by API.
Build this list · Pricing: 1,000 work emails a day for $35 a month · Talk to us
By department
- Finance & Accounting: 6,236
- Engineering (Non-Software): 2,809
- Executive & General Management: 2,034
- Operations & Logistics: 1,683
- Software Engineering: 1,031
- IT & Infrastructure: 950
- Sales: 907
- Science & Research: 610
- Administrative: 498
- Product & Design: 484
By level
- Staff: 9,846
- Senior: 6,344
- Manager: 5,784
- Director / Head: 1,880
- C-suite: 525
- VP: 203
- Intern / Student: 81
- Owner / Founder: 45
By company size
- 10,000+: 13,635
- 5,000-9,999: 6,290
- 1,000-4,999: 3,971
- 100-249: 435
- 20-99: 126
- 250-499: 105
- 500-999: 67
- 5-19: 41
- 1-4: 38
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
- RINA North America (formerly Patrick): 13 decision makers
- Orbit Media Studios Inc: 13 decision makers
- Big Tent Coalition: 10 decision makers
- Leonard Auction: 8 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: 123,818
- Canada: 24,690
- New York: 20,979
- Germany: 17,084
- California: 16,198
- Quebec: 15,943
- Australia: 11,391
- New South Wales: 8,125
- Switzerland: 7,774
- United Kingdom: 7,739
- Ontario: 6,130
- Oklahoma: 5,874
- Massachusetts: 5,745
- Georgia: 4,322
- Maryland: 4,070
- Texas: 3,454
- New Jersey: 3,421
Get a list
Build a list with filters and see how many people match, then build your plan: 1,000 work emails a day for $35 a month. Need job postings too? Arihaan Jobs has live jobs from employer career sites, in ChatGPT and Claude through MCP.