In business since 1994, GSW Electric offers professional service, repair and installation for Residential and Commercial customers throughout central Maryland, the Baltimore and Washington D.C. metro areas.

About Us

With over 20 years of experience, GSW Electric is a family-owned and operated, full service electrical contractor serving residential and commercial customers.


Hello. This afternoon, Mark, from GSW, came to my home to track down an electrical problem. All I can say is….what terrific service!
Coleman Clarke, Mt. Airy

George “Spencer” Willie – Master Electrician

GSW Electric, LLC
Mount Airy, MD 21771
(240) 832-4241
Licensed & Insured

Multi Media Bar

Commercial Lighting Installation – Alexandria, VA

GSW Electric installing new lighting – including wiring and panels – for 2nd...

LED Lights – Bethesda, MD

GSW Electric installing new poles, bases and LED lights at Bradley shopping center in...

Trenching – Potomac Edison Install

GSW Electric: Potomac Edison new 200 amp service install. George “Spencer”...

Light Repair, Washington Temple – Washington DC

GSW Electric light repair at the Washington Temple – Washington DC. George...

Generac Generator Install – Woodbine, MD

GSW Electric using an underground missile to a Generac generator in Woodbine, Maryland....

Pepco 400 Amp Installation- Langley Terrace, MD

GSW Electric installing new 400 amp services in Langley Terrace, Maryland. George...

Pole Bases – Key Bridge, Baltimore, MD.

GSW Electric repairing pole bases for  the Key Bridge in Baltimore. George...

Outdoor Lighting- Rockville, MD

GSW Electric was hired by Avison Young to make repairs to outdoor lighting at one of...

IHOP Capitol Heights Sign Lighting

GSW was hired to replace the bulbs and ballasts in the sign at IHOP in Capitol Heights....

Custom LED Lighting – Washington DC

GSW Installed custom LED lighting for wall art in Washington DC. George...