What departments does Event Citadel (formerly CompuSystems) have?

Event Citadel (formerly CompuSystems) has employees across 12 departments including Finance, Operations, Information Technology, Business, Marketing.

What is the largest department at Event Citadel (formerly CompuSystems)?

The largest department at Event Citadel (formerly CompuSystems) is Engineering with 5 employees.

Where are Event Citadel (formerly CompuSystems) employees located globally?

Event Citadel (formerly CompuSystems) has employees across 5 continents and 10 countries including Algeria, India, Philippines, Spain, Netherlands.

How has Event Citadel (formerly CompuSystems)'s team size changed over time?

Event Citadel (formerly CompuSystems)'s team has grown from approximately 95 to 128 employees based on available data.

Event Citadel (formerly CompuSystems) Employee Directory

Events ServicesIllinois, United States201-500 Employees

Event Citadel, formerly CompuSystems, is an events services company headquartered at 2300 Cabot Drive Suite 230, Lisle, Illinois, United States. It operates as a full-service event registration partner offering flexible, custom solutions across a wide range of event needs, with technology tailored to each client to create a seamless ecosystem that connects buyers and sellers. The company aims to build long-term client relationships rooted in trust and quality and continually invests in innovative products and services to serve clients today and into the future. The organization employs between 201 and 500 people and reports annual revenue in the range of $50 million to $100 million. Recent activity includes the December 2024 acquisition of EventsPass and a partnership with Adio to enhance its M3 Expo Wallet, reflecting expansion in event technology and services.

Event Citadel (formerly CompuSystems) Global Highlights

North America
263

United States Of America
260
Mexico
2
Guatemala
1

Asia
4

India
3
Philippines
1

South America
3

Peru
2
Ecuador
1

Europe
2

Spain
1
Netherlands
1

Africa
1

Algeria
1

Event Citadel (formerly CompuSystems)'s Leadership

C. F.
Chief Financial Officer
Mobile Phone
Email
N. B.
Chief Financial Officer
Mobile Phone
Email
M. B.
Vice President Field Operations
Mobile Phone
Email
C. H.
Vice President Information Technology Operations
Mobile Phone
Email
P. K.
President And Chief Operations Officer
Mobile Phone
Email
D. M.
Owner
Mobile Phone
Email
K. M.
Owner
Mobile Phone
Email
R. G.
Owner
Mobile Phone
Email

Event Citadel (formerly CompuSystems) Employee Metrics

100%

50%

0%

2026

2025

Program & Project Management
Analytics
Information Technology
Engineering
Support
Other
Sales

Contact profiles from Event Citadel (formerly CompuSystems)

Name

Title

Contact

Location

Last Update

C. L.
Civil Superintendent
Mobile Phone
Email
Oct 18, 2024
C. M.
Self Employed Caretaker
Mobile Phone
Email
Oct 18, 2024
D. M.
Software Test Engineer
Mobile Phone
Email
India, Tamil Nadu
Oct 21, 2024
L. P.
Computer Programming
Mobile Phone
Email
Philippines, Calabarzon
Mar 05, 2024
M. M.
Onsite Field Tech
Mobile Phone
Email
Oct 17, 2024
P. F.
K-12 Special Educator
Mobile Phone
Email
May 01, 2026
P. F.
Business Analyst
Mobile Phone
Email
Oct 16, 2024
R. F.
Trade Show On-Site Technician And Exhibitors / Attendee Customer Service
Mobile Phone
Email
Oct 17, 2024
R. R.
Technical Support
Mobile Phone
Email
Oct 22, 2024
S. R.
Financial Processor
Mobile Phone
Email
Oct 21, 2024

Frequently Asked Questions

What is Event Citadel (formerly CompuSystems) known for?

Event Citadel (formerly CompuSystems) was founded in 1976 and operates in the Events Services industry. You can contact Event Citadel (formerly CompuSystems)'s main corporate office by phone at

+1-708-344-****

. Explore Event Citadel (formerly CompuSystems)'s company overview page for more information.

What is Event Citadel (formerly CompuSystems)'s most common email format?

Event Citadel (formerly CompuSystems) employees' email format typically follows the pattern of First.Last@compusystems.com. Trying to find reliable and up-to-date employee contact data? Find more Event Citadel (formerly CompuSystems) email formats with LeadIQ.

How many employees does Event Citadel (formerly CompuSystems) have currently?

Event Citadel (formerly CompuSystems) has approximately 210 employees as of August 2026. These team members are located across 5 continents, including North America, Asia and South America.

Who are Event Citadel (formerly CompuSystems)'s key employees and leadership?

As of August 2026, Event Citadel (formerly CompuSystems)'s key employees include:

Chief Financial Officer: C. F.
Chief Financial Officer: N. B.
Vice President Field Operations: M. B.
Vice President Information Technology Operations: C. H.
President And Chief Operations Officer: P. K.

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Event Citadel (formerly CompuSystems) Employee Directory

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