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Gathering insights about 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 2 format(s):
CompuSystems Email FormatsExamplePercentage
First.Last@compusystems.comJohn.Doe@compusystems.com
64%
FirstLast@compusystems.comJohnDoe@compusystems.com
22%
FirstL@compusystems.comJohnD@compusystems.com
9%
FLast@compusystems.comJDoe@compusystems.com
5%
First.Last@csireg.comJohn.Doe@csireg.com
77%
Last@csireg.comDoe@csireg.com
18%
Fir.Last@csireg.comJoh.Doe@csireg.com
5%

Frequently Asked Questions

What is CompuSystems's phone number?

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

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

What is CompuSystems's SIC code NAICS code?

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CompuSystems's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 56192 - Convention and Trade Show Organizers.

How many employees does CompuSystems have currently?

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As of February 2026, CompuSystems has approximately 212 employees across 5 continents, including North AmericaAsiaSouth America. Key team members include Cio & Vp Of Information Technology: E. D.Chief Financial Officer: C. F.Chief Financial Officer: C. F.. Explore CompuSystems's employee directory with LeadIQ.

What industry does CompuSystems belong to?

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CompuSystems operates in the Events Services industry.

What technology does CompuSystems use?

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

What is CompuSystems's email format?

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

When was CompuSystems founded?

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CompuSystems was founded in 1976.

CompuSystems

Events ServicesIllinois, United States201-500 Employees

Event Citadel (formerly CompuSystems) is a full-service event registration contractor capable of providing a broad range of client services. We tailor our system to meet the specific needs of the client, creating an ecosystem that fosters the buyer and seller relationship.

Our goal is to establish long lasting relationships with our clients based on trust, a shared success and a commitment to quality. To meet these goals, CompuSystems is dedicated to making investments in quality products and services to support you now and in the future.

CompuSystems was founded in 1976 and has enjoyed many years as a major registration service contractor for the convention trade show industry. We service clients from a corporate office and centralized data center in Downers Grove, Illinois. Our brand new facility boasts over 31,000 square feet of office, production and warehouse space. Our state-of-the-art facility has been designed to foster collaboration and agile development.  The new building also features a workout facility, deli, outdoor patio and an abundance of local dining options. Additionally, CompuSystems employs approximately 220 people and continues to enjoy substantial growth of a talented workforce.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
56192 - Convention and Trade Show Organizers
Founded
1976
Employees
201-500

Section iconFunding & Financials

  • $50M$100M

    CompuSystems's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    CompuSystems's revenue is estimated to be in the range of $50M$100M

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