Insights

Growth through Acquisition CompuSystems has recently expanded its capabilities by acquiring EventsPass, a SaaS platform specializing in advanced ticketing for B2C and B2B events, indicating opportunities to cross-sell innovative registration and ticketing solutions to existing clients.

Technology Innovation With strategic partnerships like the one with Adio to enhance proximity-based solutions and ongoing investments in custom event technology, CompuSystems is positioned to offer cutting-edge engagement tools perfect for clients seeking innovative event experiences.

Market Engagement Active participation in high-profile events such as the National Public Lands Day and PRINTING United Expo signals strong industry presence, providing avenues to target niche event organizers looking for tailored registration and engagement solutions.

Financial Stability Generating between 50 to 100 million dollars in revenue with a substantial employee base, CompuSystems demonstrates robust financial health, making it a reliable partner for enterprise-level event management and technology solutions.

Industry Focus Specializing in event services and data analytics within the trade show and live events sector, CompuSystems' tailored solutions can appeal to organizations seeking integrated registration, data management, and lead tracking to optimize event ROI.

Similar companies to CompuSystems

CompuSystems Tech Stack

CompuSystems uses 8 technology products and services including jQuery UI, Lodash, Underscore.js, and more. Explore CompuSystems's tech stack below.

jQuery UI
Javascript Libraries
Lodash
Javascript Libraries
Underscore.js
Javascript Libraries
HubSpot
Marketing Automation
PayPal
Payment Processing
Authorize.net
Payment Processing
Piwik
System Analytics & Monitoring
Facebook
Widgets

Media & News

CompuSystems's Email Address Formats

CompuSystems uses at least 3 format(s):

CompuSystems Email Formats	Example	Percentage
First.Last@compusystems.com	John.Doe@compusystems.com	65%
FirstLast@compusystems.com	JohnDoe@compusystems.com	21%
FirstL@compusystems.com	JohnD@compusystems.com	9%
FLast@compusystems.com	JDoe@compusystems.com	5%
First.Last@csireg.com	John.Doe@csireg.com	77%
Last@csireg.com	Doe@csireg.com	18%
Fir.Last@csireg.com	Joh.Doe@csireg.com	5%

Frequently Asked Questions

Where is CompuSystems's headquarters located?

CompuSystems's main headquarters is located at 2300 Cabot Drive Suite 230 Lisle, Illinois United States. The company has employees across 5 continents, including North AmericaAsiaSouth America.

What is CompuSystems's phone number?

You can contact CompuSystems's main corporate office by phone at

+1-708-344-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is CompuSystems's official website and social media links?

CompuSystems's official website is eventcitadel.com and has social profiles on LinkedIn.

What is CompuSystems's NAICS code?

CompuSystems's NAICS code is 56192 - Convention and Trade Show Organizers.

How many employees does CompuSystems have currently?

As of April 2026, CompuSystems has approximately 215 employees across 5 continents, including North AmericaAsiaSouth America. Key team members include Cio & Vp Of Information Technology: E. D.Chief Marketing Officer & Chief Optimization Officer: K. W.Chief Financial Officer: C. F.. Explore CompuSystems's employee directory with LeadIQ.

What industry does CompuSystems belong to?

CompuSystems operates in the Events Services industry.

What technology does CompuSystems use?

CompuSystems's tech stack includes jQuery UILodashUnderscore.jsHubSpotPayPalAuthorize.netPiwikFacebook.

What is CompuSystems's email format?

CompuSystems's email format typically follows the pattern of First.Last@compusystems.com. Find more CompuSystems email formats with LeadIQ.

When was CompuSystems founded?

CompuSystems was founded in 1976.

CompuSystems

Q: What is CompuSystems's official website and social media links?

CompuSystems's official website is eventcitadel.com. CompuSystems has social profiles on LinkedIn.

Q: How many employees does CompuSystems have currently?

CompuSystems has approximately 215 employees.

Q: What technology does CompuSystems use?

CompuSystems's tech stack includes WordPress, WooCommerce, jQuery, Shopify, PayPal.

Q: What is CompuSystems's NAICS code?

CompuSystems's NAICS code is 56192 (Convention and Trade Show Organizers).

Events ServicesIllinois, United States201-500 Employees

Event Citadel (formerly CompuSystems) is a full-service event registration partner delivering flexible, custom solutions across a wide range of event needs. We tailor our technology to each client, creating a seamless ecosystem that strengthens connections between buyers and sellers.

Our goal is to build long-term client relationships rooted in trust, shared success, and an unwavering commitment to quality. To support this promise, Event Citadel continually invests in innovative products and services designed to serve you today—and evolve with you into the future.