Founded in Ohio and trusted across America since 1966.
ESI provides industry-leading electrical construction services across Ohio and the surrounding region. Our expertise in design-assist, preconstruction, and prefabrication helps us exceed customers’ expectations by completing projects safely, on time, and within budget.
From commercial and healthcare to government and industrial, ESI delivers complex electrical construction projects safely and on schedule.
New installation, maintenance, and modifications across A/V, fire alarm, security, structured cabling, nurse call, and building automation systems.
3D coordination, clash detection, and Revit-based modeling that resolves conflicts before they reach the field.
Engineering In-house design-assist, preconstruction planning, estimating, and value engineering support from concept through completion.
Off-site electrical prefabrication and kitting that improves safety, shortens installation time, and reduces project cost.
Electrical preventive maintenance programs and 24/7 technician support for commercial and industrial facilities.
ESI is a Voluntary Protection Program Star contractor, one of the highest safety recognitions in the industry.
65 UL listed prefabricated electrical assemblies and hundreds of additional prefab and kitting products.
NECA Safety Excellence Award recipient for 10 consecutive years.
From historic renovations and healthcare facilities to mission critical data centers and industrial plants, ESI has delivered quality electrical construction on some of Ohio’s most complex projects.
ESI employs a diverse group of professionals, and we are always looking for motivated, hard-working people to join our team. Construction careers are in high demand, command competitive wages, and provide opportunities to learn and grow.
For 60 years, ESI has delivered some of the most complex and high-profile electrical projects in Ohio and across the country, earning a reputation for safety, quality, and integrity that stands the test of time. What started as a small Cincinnati contractor has grown into a team of professionals working throughout the region and nationwide, bringing the same commitment to every project we take on.
