Commercial Electrical Services in Rockville & Bethesda, MD

Our commercial work operates with a service oriented philosophy encompassing both quality and speed to provide the best value for our contractor and other commercial clients. Our projects include research facilities, shopping centers, warehouses, office buildings, places of worship, and interiors. We’ve earned recognition for completing numerous fast track projects on time and budget.

Sustainable Development

Trunnell Electric has experience in the construction of several completed “Green” projects. These office buildings and a research facility have been awarded LEED Silver certifications. Trunnell installed automatic dimmable fluorescent lighting and occupancy sensors, coupled with other high efficiency lighting and processes to assist in meeting the LEED certification criteria.

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Over the years Trunnell Electric was privileged to be selected by four construction companies to help build their own corporate headquarters:

  • C. M. Parker Co.
  • Coakley Williams Construction
  • Manekin Corporation
  • Therrien Waddell Construction

Commercial clients and projects


  • Wells Fargo
  • Scott Trade
  • Navy Federal Credit Union
  • Fannie Mae (FNMA)


  • Ethan Allen
  • Jared Galleria of Jewelry
  • The Grove Shopping Center Canopy
  • North Frederick Ave Shopping Center Canopy
  • Spring Mill Bread
  • Tako Grill


  • Euro Motorcars
  • Old Glory Harley Davidson
  • Rockville Audi


  • Meso Scale Diagnostic
  • Digital Infusion
  • Gene DX
  • Wilcoxin Research
  • Sequoia Labs
  • ESSIC @ M Square
  • Hughes Research


  • Total Wine & Beverage Headquarters
  • Goodwill Industries Headquarters
  • Treatment & Learning Centers
  • Bechtel Engineering
  • Stephen Gould
  • DDG @ the Natty Boh Brewery
  • Pain & Spine Center


  • Architects of the Capital
  • Library of Congress
  • Children’s Hospital
  • Green Drop Storage
  • Children in the Shoe

Incentive Based Lighting Upgrades

  • Barwood Transportation
  • Universal Plastics
  • Mallick Plumbing
  • Summit Building
  • Walker Supply
  • Irwin Stone
  • Parkside at Alexandria
  • Layhill Shopping Center
  • Potomac Oaks Center
  • Bethesda Community School