Where We Work
Commercial Security Services Across Colorado
ESI Technologies operates from two Colorado offices, serving 30+ cities across the Front Range. Fort Collins handles Northern Colorado. Colorado Springs handles Southern Colorado and the Denver Metro area. Both offices dispatch local technicians, not contractors from out of state.
Fort Collins: (970) 999-1681 | Colorado Springs: (719) 602-7336
Fort Collins Office
1600 E Mulberry St, Unit 1
Fort Collins, CO 80524
Serving Northern Colorado and Denver Metro.
Monday to Friday, 8am to 5pm. After-hours emergency dispatch available.
Colorado Springs Office
302 Costilla St
Colorado Springs, CO 80903
Serving Southern Colorado and the Denver Metro area.
Monday to Friday, 8am to 5pm. After-hours emergency dispatch available.
Cities We Serve
Northern Colorado
Denver Metro
Southern Colorado
Don’t See Your City?
ESI serves commercial facilities throughout Colorado. If your city isn’t listed, contact us. If you’re on the Front Range, we can most likely get a project manager to your site.