Contact Us
Contact ESI today for reliable security solutions for home or business backed by decades of service in York, Lancaster, Harrisburg, and Central PA.
Headquarters
120 Rose Court
York, PA 17406
Satellite Office
56 N. Queen Street, #1
York, PA 17403
ESI Headquarters
ESI Satellite Office
Secure Your Home or Business with ESI
We are honored to serve our neighbors in York, Lancaster, Harrisburg, and throughout Central PA. When you contact us, you connect with a team delivering trusted security expertise tailored to homes, businesses, schools, and institutional environments. Our commitment to our customers means fast response times, personalized attention, and a deep understanding of the community’s security needs.
