ESC Clients include institutional organizations, such as K12 institutions, colleges and universities, ODOT, libraries across the state, and many more.

Over the past few years ESC has built its business primarily on commercial and governmental organizations. Our effort in this regard reflects our advanced skills in the area of installation and service as related to systems integration. We bring the latest products and skill sets to the table every single day of the week, every week of the year.

John Larkin, Senior Partner


  • Ohio Department of Agriculture
  • *Columbus Developmental (previously Twinvalley Behavioral Health)
  • *Ohio Veterans Home
  • *Public Utility Commission of Ohio (PUCO)
  • *Columbus Metropolitan Library
  • *Ohio Department of Natural Resources
  • Franklin County Dog Shelter
  • Ohio Air National Guard
  • Toledo Air National Guard
  • City of Columbus Water Plants
  • Franklin County Courthouse
  • Marysville Police and Court
  • Ohio Department of Transportation
  • Ohio Department of Public Safety


  • *Ashland School System
  • *Lancaster School System
  • Columbus City Schools
  • Newark City Schools
  • Colorful World Day Cares
  • Eaton High School
  • Olentangy Schools


  • *Nisource (Columbia Gas)
  • Ameriflight
  • Hamilton Safe Company
  • LT Land Development
  • Lucky’s Market
  • Woodbury Outfitters
  • Jeffersonville Mall

Higher Education:

  • The Ohio State University
  • Kent State University
  • Central State University
  • Wilberforce University


  • Residence at Wood Street
  • Andover Apartments
  • Peak Properties/Borror Properties
  • Columbus Metropolitan Housing Authority

Service Clients

  • Ohio Department of Administrative Services
  • Ohio Department of Natural Resources
  • Community Development for All People
  • East Street Cafe
  • Fayette County Board of DD
  • Rickenbacker Air National Guard
  • Ohio Department of Rehabilitation and Correction
  • Twin Valley Behavioral Healthcare
  • Rusty Key Tavern