Event Citadel (formerly CompuSystems) Information
Summary
Event Citadel (formerly CompuSystems) is a private company that has been in the industry for 50 years. The company currently specializes in the Events Services, Event Management Services areas. The position of the President is occupied by Chris Williams. Its headquarters is located at Lisle, Illinois, USA. The number of employees ranges from 100 to 250. The annual revenue of Event Citadel (formerly CompuSystems) varies between 25M and 100M. Total funding of the company - $2M. To connect with Event Citadel (formerly CompuSystems) employee register on SignalHire.
Organization Website | compusystems.com |
Social Links |    |
Phone Number | 708-344-9070 |
Industries | |
Headquarters Location | 2300 Cabot Dr, Lisle, Illinois, 60532 US |
Employees Size | 100-200 employees |
Specialties | Event Registration, Lead Retrieval, Analytics |
SIC Code | 8741 |
DMA Code | Chicago Metropolitan Area |
Founded | 1976 |
Estimated Annual Revenue | $25M - 100M |
Operating Status | Independent Company |
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 2011 | Privately Held | 1.0K - 5.0K | 211.2M | $271.4M | |
| 2008 | Privately Held | 250 - 500 | 40M | $53.6M | |
| 2011 | Privately Held | 250 - 500 | 18M | $190.5M | |
| 2001 | Privately Held | 25 - 100 | 3.6M | $0 |
Estimated Website Traffic
The chart shows a growth in traffic to the compusystems.com website. In January, traffic increased to 2208, compared to 2092 in the previous month. The highest traffic in 2026 was recorded in January, reaching 2208 visits.
Employees Turnover 4 quarter 2025
Number of employees switched from or switched to
Number of employees by department
Length of Employment
Employee tenure at Event Citadel (formerly CompuSystems) shows a diverse range of experience levels:
1% have been with the company for less than 1 year2% for 1–2 years2% for 3–4 years5% for 5–7 years7% for 8–10 years83% have over 11 years of service at Event Citadel (formerly CompuSystems)Ex-employees positions
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