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  • Voice
    With nearly 40 years experience in voice solutions, ESG offers the full suite of Mitel VoIP applications. Each system completely customized to meet your needs.
  • Data
    Create an environment where all your technologies can connect and run smoothly with ESG’s wired and wireless data solutions.
  • Network
    Want clear visibility into your network with easy to manage monitoring applications? Click here to find out how.
  • Security
    Protect your assets with the latest in video surveillance technologies, as well as door-access security.
  • A/V
    From interactive digital signs to state-of-the-art acoustical treatments, ESG designs and implements the full range of audio/visual solutions.
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Customer Feedback
They have some of the best engineers on staff. I trust what they do. I don’t question what they do. If I ask them something, whatever they tell me I accept 100%.
Jason Kilgas : Director of Business Technologies
First National Bank – Fox Valley
They felt very comfortable with ESG as a company. I remember a lot of secretaries saying how nice their people were, how thorough and how well they answered questions.
Mike McDermott : Director of Technologies
Kimberly Area School District
Taps & Technology
Taps & Technology
Posted August 22, 2016
High Tech Happy Hour
High Tech Happy Hour
Posted June 22, 2016
ESG Featured in Mitel Press Release
ESG Featured in Mitel Press Release
Posted July 12, 2016
How To Improve Courtroom Safety & Efficiency
How To Improve Courtroom Safety & Efficiency
Posted June 29, 2016
In The News