Key Systems, Inc.

Key Systems, Inc. is an award-winning electrical contractor with offices located in White Marsh, Maryland.

We take pride in providing the Mid-Atlantic region with quality electrical services at fair and competitive costs.

Burnt Mills Elementary School
BWI Terminal D Renovation
Red House Run Elementary School
Annapolis Library
St. Joseph's Hospital - Pediatric Unit
Mercy Medical Center Mead Building
Blue Heron Elementary School
Burnt Mills Elementary School
Riderwood Wellness Center
St. Joseph's Hospital - Kitchen
Berkshire Elementary School
Burnt Mills Elementary School
Red House Run Elementary School
Mercy Medical Center Mead Building
Harford County Emergency Operations Center
Blue Heron Elementary School
Lyons Mill Elementary School
Lyons Mill Elementary School
Annapolis Library
Maryland Army National Guard Freedom Readiness Center
Riderwood Wellness Center