Technology & IT Companies in Illinois

Chambrex lists 304 Technology & IT companies in Illinois, each with full contact details — phone, email, website, and address — free to view with no login required. The largest concentrations are in Chicago, Naperville, and Schaumburg. Browse the full list below, or jump to a city to narrow your search.

Top Cities for Technology & IT in Illinois

• Chicago — 75 businesses
• Naperville — 19 businesses
• Schaumburg — 13 businesses
• Belleville — 8 businesses
• Aurora — 6 businesses
• Champaign — 6 businesses
• Frankfort — 5 businesses
• Plainfield — 5 businesses
• Springfield — 5 businesses
• Savoy — 4 businesses

Technology & IT Companies in Illinois — Listings

• 13CORE LLC — Carbondale, IL
• 13TH CLOUD LLC — Chicago, IL
• 1837 NORTH CONSULTING LLC — Chicago, IL
• 3CORE SYSTEMS INC — Aurora, IL
• AABI CONSULTING LLC — Naperville, IL
• ABERDEEN ADVISORS LLC — Chicago, IL
• ACEXTIC CORPORATION — Streamwood, IL
• ACEY HOLDINGS LLC — Chicago, IL
• ADVANCED INTEGRATED SOFTWARE TECHNOLOGY, INCORPORATED — Chicago, IL
• AEXIS CORP. — Des Plaines, IL
• AG DYNAMIC CONSULTING GROUP L.L.C. — Elgin, IL
• AGILE INNOVATION LABS, LLC — Chicago, IL
• AIRTIGHT SECURITY LLC — Aurora, IL
• AIVOLVE LLC — Aurora, IL
• AK INNOVATIONS LLC — Savoy, IL
• AKA COMP SOLUTIONS, INC. — Chicago, IL
• ALDEN WELCH LLC — Chicago, IL
• ALFRESCO BOOTH LLC — Naperville, IL
• AMBER SYSTEM SOLUTIONS INC — Glendale Heights, IL
• AMEEN RESONANT CONSULTING LLC — Skokie, IL
• AMERICAN ENGINEERING SOLUTIONS LLC — Des Plaines, IL
• AMERICAN MULTIVERSE LLC — Willowbrook, IL
• AMERICAN SURVEYING & ENGINEERING, LTD. — Chicago, IL
• AMERICAN VANGUARD ALLIANCE LLC — Naperville, IL
• ANALYTICS8 LLC — Chicago, IL

Frequently Asked Questions

How many Technology & IT companies are listed in Illinois? Chambrex lists 304 Technology & IT companies in Illinois, sourced from chamber of commerce and public business records.

Which cities in Illinois have the most Technology & IT companies? The Illinois cities with the most listed Technology & IT companies are Chicago (75), Naperville (19), and Schaumburg (13).

What contact details are included for Technology & IT companies in Illinois? Each listing shows the available phone number, email address, website, street address, and contact person — all free to view on Chambrex.