Our Clients


Your Business is our Business! ESI is focused on knowing about your business. At ESI, we feel like we need to know your business – so we can better understand how to help you solve your problems. Check out some of our industry focuses and expertise’s.
Commercial

Commercial

ESI has designed, installed and serviced building automation systems in commercial office buildings ranging in sizes from 50k square feet up to 1 million square feet. We can undertake projects both large and small - including design build, plan/spec, and direct to owner facilities.

Healthcare

Healthcare

ESI has installed and currently services building automation systems in numerous regional hospital campuses located throughout the DMV, many with both HVAC controls and integrated access control. Our experienced staff has worked with performance-contracting teams in hospitals across the nation. ESI provides services such as isolation room controls, power monitoring, graphical displays, alarming and custom reporting.

Education

Education

ESI performs work in many local school districts in the DMV and Richmond, VA areas, including two of the nation's largest (13th and 17th), and has installed hundreds of systems. ESI-designed & installed DDC Systems are in every type of school facility, from admin buildings and small elementary schools to large high schools.

Mission Critical

Data Center/Mission Critical

ESI has installed DDC systems with integrated security access control in Data Centers and Mission Critical facilities throughout Washington D.C., Maryland and Virginia. Our clients have come to rely on ESI's team of experts for new DDC installations, Retro-Fit's and System Integration's in facilities ranging in size between 10,000 SqFt and 3,500,000 SqFt.

Biotech

Biotech

ESI has installed DDC controls and integrated access control systems in laboratory facilities across our service area. We also service and maintain integrated access control and monitoring systems for Biotech companies along the tech corridors of Northern Virginia and Maryland.

Telecom

Telecom

ESI installs and maintains DDC systems for many telecom customers. ESI has installed DDC systems in over 125 major telecom client facilities, working coast-to-coast for some of the nation's largest companies in the industry, including Verizon, AT&T, Sprint and others.

Government

Government

ESI has installed DDC systems for all sectors of our government, at local, state and federal levels. ESI has also installed DDC systems in courthouses, correctional facilities, NIH, GSA operated facilities and ATF among others, in both critical and non-critical facilities.