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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
Everything they have done for us has been top quality work and I think the best part is the follow-up. It's the customer service aspect of it.
Tony Mancilla
Island Resort & Casino
Star Wars Rogue One Private Screening
Star Wars Rogue One Private Screening
Posted November 29, 2016
Menasha A/V Installation
Menasha A/V Installation
Posted November 21, 2016
Taps & Technology Milwaukee
Taps & Technology Milwaukee
Posted October 10, 2016
Night of Triumph
Night of Triumph
Posted October 10, 2016
In The News