We are a safety-driven, people-first electrical contractor built on a foundation of integrity, innovation, and hard work.
ESI Electrical Contractors was founded in Dayton, Ohio in 1966 with a simple commitment: do the work right, do it safely, and stand behind it. Nearly 60 years later, that commitment still drives everything we do.
What started as a regional electrical contractor has grown into one of Ohio’s most respected electrical construction firms, with offices in Cincinnati, Dayton, Columbus, and Cleveland and a team of professionals working on some of the state’s most complex commercial, industrial, and government projects.
Our growth has always been built on relationships. With general contractors, with owners, and with the communities we work in. We show up on time, solve problems before they become delays, and deliver a finished product our clients can count on.
To be Ohio's most trusted electrical contractor, known for our people, our safety culture, and our commitment to doing things right.
To deliver safe, high-quality electrical construction that exceeds our clients' expectations and strengthens the communities we serve.
We send everyone home the same way they arrived.
We do what we say we will do.
We take pride in every project, every time.
Our team is our greatest asset.
We invest in the places we build.
ESI is a Voluntary Protection Program (VPP) Star Mobile Workforce contractor, one of the highest safety recognitions in the industry.
Safety is not a checkbox at ESI. It is a core value that shapes how we plan our work, train our people, and show up every day on every jobsite.
ESI is led by a team of experienced professionals who bring decades of electrical construction knowledge to every project.